Import Qt5x2 branch of QtWebkit for Qt 5.2

Importing a new snapshot of webkit.

Change-Id: I2d01ad12cdc8af8cb015387641120a9d7ea5f10c
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@digia.com>

1 files changed, 0 insertions, 1127 deletions

diff --git a/Source/WebKit/chromium/tests/PlatformContextSkiaTest.cpp b/Source/WebKit/chromium/tests/PlatformContextSkiaTest.cpp
deleted file mode 100644
index 529aa7f07..000000000
--- a/Source/WebKit/chromium/tests/PlatformContextSkiaTest.cpp
+++ /dev/null
@@ -1,1127 +0,0 @@
-/*
- * Copyright (C) 2012 Google Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1.  Redistributions of source code must retain the above copyright
- *     notice, this list of conditions and the following disclaimer.
- * 2.  Redistributions in binary form must reproduce the above copyright
- *     notice, this list of conditions and the following disclaimer in the
- *     documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-
-#include "PlatformContextSkia.h"
-
-#include "BitmapImageSingleFrameSkia.h"
-#include "GraphicsContext.h"
-#include "ImageBuffer.h"
-#include "NativeImageSkia.h"
-#include "SkCanvas.h"
-#include <gtest/gtest.h>
-
-using namespace WebCore;
-
-namespace {
-
-#define EXPECT_EQ_RECT(a, b) \
-    EXPECT_EQ(a.x(), b.x()); \
-    EXPECT_EQ(a.y(), b.y()); \
-    EXPECT_EQ(a.width(), b.width()); \
-    EXPECT_EQ(a.height(), b.height());
-
-#define EXPECT_PIXELS_MATCH(bitmap, opaqueRect) \
-{ \
-    SkAutoLockPixels locker(bitmap); \
-    for (int y = opaqueRect.y(); y < opaqueRect.maxY(); ++y) \
-        for (int x = opaqueRect.x(); x < opaqueRect.maxX(); ++x) { \
-            int alpha = *bitmap.getAddr32(x, y) >> 24; \
-            EXPECT_EQ(255, alpha); \
-        } \
-}
-
-#define EXPECT_PIXELS_MATCH_EXACT(bitmap, opaqueRect) \
-{ \
-    SkAutoLockPixels locker(bitmap); \
-    for (int y = 0; y < bitmap.height(); ++y) \
-        for (int x = 0; x < bitmap.width(); ++x) {     \
-            int alpha = *bitmap.getAddr32(x, y) >> 24; \
-            bool opaque = opaqueRect.contains(x, y); \
-            EXPECT_EQ(opaque, alpha == 255); \
-        } \
-}
-
-TEST(PlatformContextSkiaTest, trackOpaqueTest)
-{
-    SkBitmap bitmap;
-    bitmap.setConfig(SkBitmap::kARGB_8888_Config, 400, 400);
-    bitmap.allocPixels();
-    bitmap.eraseColor(0);
-    SkCanvas canvas(bitmap);
-
-    PlatformContextSkia platformContext(&canvas);
-    platformContext.setTrackOpaqueRegion(true);
-    GraphicsContext context(&platformContext);
-
-    Color opaque(1.0f, 0.0f, 0.0f, 1.0f);
-    Color alpha(0.0f, 0.0f, 0.0f, 0.0f);
-
-    context.fillRect(FloatRect(10, 10, 90, 90), opaque, ColorSpaceDeviceRGB, CompositeSourceOver);
-    EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    context.fillRect(FloatRect(10, 10, 90, 90), alpha, ColorSpaceDeviceRGB, CompositeSourceOver);
-    EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    context.fillRect(FloatRect(99, 13, 10, 90), opaque, ColorSpaceDeviceRGB, CompositePlusLighter);
-    EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    context.fillRect(FloatRect(99, 13, 10, 90), opaque, ColorSpaceDeviceRGB, CompositeSourceIn);
-    EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    context.fillRect(FloatRect(99, 13, 10, 90), alpha, ColorSpaceDeviceRGB, CompositeSourceIn);
-    EXPECT_EQ_RECT(IntRect(10, 10, 89, 90), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    context.fillRect(FloatRect(8, 8, 3, 90), opaque, ColorSpaceDeviceRGB, CompositeSourceOut);
-    EXPECT_EQ_RECT(IntRect(11, 10, 88, 90), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    context.fillRect(FloatRect(30, 30, 290, 290), opaque, ColorSpaceDeviceRGB, CompositeSourceOver);
-    EXPECT_EQ_RECT(IntRect(30, 30, 290, 290), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    context.fillRect(FloatRect(40, 20, 290, 50), opaque, ColorSpaceDeviceRGB, CompositeSourceOver);
-    EXPECT_EQ_RECT(IntRect(30, 30, 290, 290), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    context.fillRect(FloatRect(10, 10, 390, 50), opaque, ColorSpaceDeviceRGB, CompositeSourceIn);
-    EXPECT_EQ_RECT(IntRect(30, 30, 290, 290), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    context.fillRect(FloatRect(10, 10, 390, 50), alpha, ColorSpaceDeviceRGB);
-    EXPECT_EQ_RECT(IntRect(30, 30, 290, 290), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    context.fillRect(FloatRect(10, 10, 390, 50), opaque, ColorSpaceDeviceRGB, CompositeSourceOver);
-    EXPECT_EQ_RECT(IntRect(30, 10, 290, 310), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-}
-
-TEST(PlatformContextSkiaTest, trackOpaqueClipTest)
-{
-    SkBitmap bitmap;
-    bitmap.setConfig(SkBitmap::kARGB_8888_Config, 400, 400);
-    bitmap.allocPixels();
-    SkCanvas canvas(bitmap);
-
-    PlatformContextSkia platformContext(&canvas);
-    platformContext.setTrackOpaqueRegion(true);
-    GraphicsContext context(&platformContext);
-
-    Color opaque(1.0f, 0.0f, 0.0f, 1.0f);
-    Color alpha(0.0f, 0.0f, 0.0f, 0.0f);
-
-    context.fillRect(FloatRect(10, 10, 90, 90), opaque, ColorSpaceDeviceRGB, CompositeSourceOver);
-    EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    context.clearRect(FloatRect(10, 10, 90, 90));
-    EXPECT_EQ_RECT(IntRect(), platformContext.opaqueRegion().asRect());
-
-    context.save();
-    context.clip(FloatRect(0, 0, 10, 10));
-    context.fillRect(FloatRect(10, 10, 90, 90), opaque, ColorSpaceDeviceRGB, CompositeSourceOver);
-    EXPECT_EQ_RECT(IntRect(), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-    context.restore();
-
-    context.clearRect(FloatRect(10, 10, 90, 90));
-    EXPECT_EQ_RECT(IntRect(), platformContext.opaqueRegion().asRect());
-
-    context.save();
-    context.clip(FloatRect(20, 20, 10, 10));
-    context.fillRect(FloatRect(10, 10, 90, 90), opaque, ColorSpaceDeviceRGB, CompositeSourceOver);
-    EXPECT_EQ_RECT(IntRect(20, 20, 10, 10), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    context.clearRect(FloatRect(10, 10, 90, 90));
-    EXPECT_EQ_RECT(IntRect(), platformContext.opaqueRegion().asRect());
-
-    // The intersection of the two clips becomes empty.
-    context.clip(FloatRect(30, 20, 10, 10));
-    context.fillRect(FloatRect(10, 10, 90, 90), opaque, ColorSpaceDeviceRGB, CompositeSourceOver);
-    EXPECT_EQ_RECT(IntRect(), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-    context.restore();
-
-    context.clearRect(FloatRect(10, 10, 90, 90));
-    EXPECT_EQ_RECT(IntRect(), platformContext.opaqueRegion().asRect());
-
-    // The transform and the clip need to interact correctly (transform first)
-    context.save();
-    context.translate(10, 10);
-    context.clip(FloatRect(20, 20, 10, 10));
-    context.fillRect(FloatRect(10, 10, 90, 90), opaque, ColorSpaceDeviceRGB, CompositeSourceOver);
-    EXPECT_EQ_RECT(IntRect(30, 30, 10, 10), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-    context.restore();
-
-    context.clearRect(FloatRect(10, 10, 90, 90));
-    EXPECT_EQ_RECT(IntRect(), platformContext.opaqueRegion().asRect());
-
-    // The transform and the clip need to interact correctly (clip first)
-    context.save();
-    context.clip(FloatRect(20, 20, 10, 10));
-    context.translate(10, 10);
-    context.fillRect(FloatRect(10, 10, 90, 90), opaque, ColorSpaceDeviceRGB, CompositeSourceOver);
-    EXPECT_EQ_RECT(IntRect(20, 20, 10, 10), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-    context.restore();
-
-    context.clearRect(FloatRect(10, 10, 90, 90));
-    EXPECT_EQ_RECT(IntRect(), platformContext.opaqueRegion().asRect());
-
-    Path path;
-    path.moveTo(FloatPoint(0, 0));
-    path.addLineTo(FloatPoint(100, 0));
-
-    // Non-rectangular clips just cause the paint to be considered non-opaque.
-    context.save();
-    context.clipPath(path, RULE_EVENODD);
-    context.fillRect(FloatRect(10, 10, 90, 90), opaque, ColorSpaceDeviceRGB, CompositeSourceOver);
-    EXPECT_EQ_RECT(IntRect(), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-    context.restore();
-
-    // Another non-rectangular clip.
-    context.save();
-    context.clip(IntRect(30, 30, 20, 20));
-    context.clipOut(IntRect(30, 30, 10, 10));
-    context.fillRect(FloatRect(10, 10, 90, 90), opaque, ColorSpaceDeviceRGB, CompositeSourceOver);
-    EXPECT_EQ_RECT(IntRect(), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-    context.restore();
-
-    OwnPtr<ImageBuffer> alphaImage = ImageBuffer::create(IntSize(100, 100));
-    alphaImage->context()->fillRect(IntRect(0, 0, 100, 100), alpha, ColorSpaceDeviceRGB);
-
-    // Clipping with a non-opaque Image (there is no way to mark an ImageBuffer as opaque today).
-    context.save();
-    context.clipToImageBuffer(alphaImage.get(), FloatRect(30, 30, 10, 10));
-    context.fillRect(FloatRect(10, 10, 90, 90), opaque, ColorSpaceDeviceRGB, CompositeSourceOver);
-    context.restore();
-    EXPECT_EQ_RECT(IntRect(), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-}
-
-TEST(PlatformContextSkiaTest, trackImageMask)
-{
-    SkBitmap bitmap;
-    bitmap.setConfig(SkBitmap::kARGB_8888_Config, 400, 400);
-    bitmap.allocPixels();
-    bitmap.eraseColor(0);
-    SkCanvas canvas(bitmap);
-
-    PlatformContextSkia platformContext(&canvas);
-    platformContext.setTrackOpaqueRegion(true);
-    GraphicsContext context(&platformContext);
-
-    Color opaque(1.0f, 0.0f, 0.0f, 1.0f);
-    Color alpha(0.0f, 0.0f, 0.0f, 0.0f);
-
-    // Image masks are done by drawing a bitmap into a transparency layer that uses DstIn to mask
-    // out a transparency layer below that is filled with the mask color. In the end this should
-    // not be marked opaque.
-
-    context.setCompositeOperation(CompositeSourceOver);
-    context.beginTransparencyLayer(1);
-    context.fillRect(FloatRect(10, 10, 10, 10), opaque, ColorSpaceDeviceRGB, CompositeSourceOver);
-
-    context.setCompositeOperation(CompositeDestinationIn);
-    context.beginTransparencyLayer(1);
-
-    OwnPtr<ImageBuffer> alphaImage = ImageBuffer::create(IntSize(100, 100));
-    alphaImage->context()->fillRect(IntRect(0, 0, 100, 100), alpha, ColorSpaceDeviceRGB);
-
-    context.setCompositeOperation(CompositeSourceOver);
-    context.drawImageBuffer(alphaImage.get(), ColorSpaceDeviceRGB, FloatRect(10, 10, 10, 10));
-
-    context.endTransparencyLayer();
-    context.endTransparencyLayer();
-
-    EXPECT_EQ_RECT(IntRect(), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH_EXACT(bitmap, platformContext.opaqueRegion().asRect());
-}
-
-TEST(PlatformContextSkiaTest, trackImageMaskWithOpaqueRect)
-{
-    SkBitmap bitmap;
-    bitmap.setConfig(SkBitmap::kARGB_8888_Config, 400, 400);
-    bitmap.allocPixels();
-    bitmap.eraseColor(0);
-    SkCanvas canvas(bitmap);
-
-    PlatformContextSkia platformContext(&canvas);
-    platformContext.setTrackOpaqueRegion(true);
-    GraphicsContext context(&platformContext);
-
-    Color opaque(1.0f, 0.0f, 0.0f, 1.0f);
-    Color alpha(0.0f, 0.0f, 0.0f, 0.0f);
-
-    // Image masks are done by drawing a bitmap into a transparency layer that uses DstIn to mask
-    // out a transparency layer below that is filled with the mask color. In the end this should
-    // not be marked opaque.
-
-    context.setCompositeOperation(CompositeSourceOver);
-    context.beginTransparencyLayer(1);
-    context.fillRect(FloatRect(10, 10, 10, 10), opaque, ColorSpaceDeviceRGB, CompositeSourceOver);
-
-    context.setCompositeOperation(CompositeDestinationIn);
-    context.beginTransparencyLayer(1);
-
-    OwnPtr<ImageBuffer> alphaImage = ImageBuffer::create(IntSize(100, 100));
-    alphaImage->context()->fillRect(IntRect(0, 0, 100, 100), alpha, ColorSpaceDeviceRGB);
-
-    context.setCompositeOperation(CompositeSourceOver);
-    context.drawImageBuffer(alphaImage.get(), ColorSpaceDeviceRGB, FloatRect(10, 10, 10, 10));
-
-    // We can't have an opaque mask actually, but we can pretend here like it would look if we did.
-    context.fillRect(FloatRect(12, 12, 3, 3), opaque, ColorSpaceDeviceRGB, CompositeSourceOver);
-
-    context.endTransparencyLayer();
-    context.endTransparencyLayer();
-
-    EXPECT_EQ_RECT(IntRect(12, 12, 3, 3), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH_EXACT(bitmap, platformContext.opaqueRegion().asRect());
-}
-
-TEST(PlatformContextSkiaTest, trackOpaqueJoinTest)
-{
-    SkBitmap bitmap;
-    bitmap.setConfig(SkBitmap::kARGB_8888_Config, 400, 400);
-    bitmap.allocPixels();
-    SkCanvas canvas(bitmap);
-
-    PlatformContextSkia platformContext(&canvas);
-    platformContext.setTrackOpaqueRegion(true);
-    GraphicsContext context(&platformContext);
-
-    Color opaque(1.0f, 0.0f, 0.0f, 1.0f);
-    Color alpha(0.0f, 0.0f, 0.0f, 0.0f);
-
-    context.fillRect(FloatRect(20, 20, 10, 10), opaque, ColorSpaceDeviceRGB, CompositeSourceOver);
-    EXPECT_EQ_RECT(IntRect(20, 20, 10, 10), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    // Doesn't join
-    context.fillRect(FloatRect(31, 20, 10, 10), opaque, ColorSpaceDeviceRGB, CompositeSourceOver);
-    EXPECT_EQ_RECT(IntRect(20, 20, 10, 10), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    // Does join
-    context.fillRect(FloatRect(30, 20, 10, 10), opaque, ColorSpaceDeviceRGB, CompositeSourceOver);
-    EXPECT_EQ_RECT(IntRect(20, 20, 20, 10), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    // Doesn't join
-    context.fillRect(FloatRect(20, 31, 20, 10), opaque, ColorSpaceDeviceRGB, CompositeSourceOver);
-    EXPECT_EQ_RECT(IntRect(20, 20, 20, 10), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    // Does join
-    context.fillRect(FloatRect(20, 30, 20, 10), opaque, ColorSpaceDeviceRGB, CompositeSourceOver);
-    EXPECT_EQ_RECT(IntRect(20, 20, 20, 20), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    // Doesn't join
-    context.fillRect(FloatRect(9, 20, 10, 20), opaque, ColorSpaceDeviceRGB, CompositeSourceOver);
-    EXPECT_EQ_RECT(IntRect(20, 20, 20, 20), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    // Does join
-    context.fillRect(FloatRect(10, 20, 10, 20), opaque, ColorSpaceDeviceRGB, CompositeSourceOver);
-    EXPECT_EQ_RECT(IntRect(10, 20, 30, 20), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    // Doesn't join
-    context.fillRect(FloatRect(10, 9, 30, 10), opaque, ColorSpaceDeviceRGB, CompositeSourceOver);
-    EXPECT_EQ_RECT(IntRect(10, 20, 30, 20), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    // Does join
-    context.fillRect(FloatRect(10, 10, 30, 10), opaque, ColorSpaceDeviceRGB, CompositeSourceOver);
-    EXPECT_EQ_RECT(IntRect(10, 10, 30, 30), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-}
-
-TEST(PlatformContextSkiaTest, trackOpaqueLineTest)
-{
-    SkBitmap bitmap;
-    bitmap.setConfig(SkBitmap::kARGB_8888_Config, 200, 200);
-    bitmap.allocPixels();
-    bitmap.eraseColor(0);
-    SkCanvas canvas(bitmap);
-
-    PlatformContextSkia platformContext(&canvas);
-    platformContext.setTrackOpaqueRegion(true);
-    GraphicsContext context(&platformContext);
-
-    Color opaque(1.0f, 0.0f, 0.0f, 1.0f);
-    Color alpha(0.0f, 0.0f, 0.0f, 0.0f);
-
-    context.setShouldAntialias(false);
-    context.setMiterLimit(0);
-    context.setStrokeThickness(4);
-    context.setLineCap(SquareCap);
-    context.setStrokeStyle(SolidStroke);
-    context.setCompositeOperation(CompositeSourceOver);
-
-    context.fillRect(FloatRect(10, 10, 90, 90), opaque, ColorSpaceDeviceRGB, CompositeSourceOver);
-    EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    context.setCompositeOperation(CompositeSourceIn);
-
-    context.save();
-    context.setStrokeColor(alpha, ColorSpaceDeviceRGB);
-    context.drawLine(IntPoint(0, 0), IntPoint(100, 0));
-    context.restore();
-    EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    context.save();
-    context.setStrokeColor(opaque, ColorSpaceDeviceRGB);
-    context.drawLine(IntPoint(0, 10), IntPoint(100, 10));
-    context.restore();
-    EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    context.save();
-    context.setStrokeColor(alpha, ColorSpaceDeviceRGB);
-    context.drawLine(IntPoint(0, 10), IntPoint(100, 10));
-    context.restore();
-    EXPECT_EQ_RECT(IntRect(10, 13, 90, 87), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    context.save();
-    context.setStrokeColor(alpha, ColorSpaceDeviceRGB);
-    context.drawLine(IntPoint(0, 11), IntPoint(100, 11));
-    context.restore();
-    EXPECT_EQ_RECT(IntRect(10, 14, 90, 86), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    context.setShouldAntialias(true);
-    context.setCompositeOperation(CompositeSourceOver);
-
-    context.fillRect(FloatRect(10, 10, 90, 90), opaque, ColorSpaceDeviceRGB, CompositeSourceOver);
-    EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    context.setCompositeOperation(CompositeSourceIn);
-
-    context.save();
-    context.setStrokeColor(alpha, ColorSpaceDeviceRGB);
-    context.drawLine(IntPoint(0, 0), IntPoint(100, 0));
-    context.restore();
-    EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    context.setShouldAntialias(false);
-    context.save();
-    context.setStrokeColor(opaque, ColorSpaceDeviceRGB);
-    context.drawLine(IntPoint(0, 10), IntPoint(100, 10));
-    context.restore();
-    EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    context.setShouldAntialias(true);
-    context.save();
-    context.setStrokeColor(opaque, ColorSpaceDeviceRGB);
-    context.drawLine(IntPoint(0, 10), IntPoint(100, 10));
-    context.restore();
-    EXPECT_EQ_RECT(IntRect(10, 13, 90, 87), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    context.save();
-    context.setStrokeColor(alpha, ColorSpaceDeviceRGB);
-    context.drawLine(IntPoint(0, 11), IntPoint(100, 11));
-    context.restore();
-    EXPECT_EQ_RECT(IntRect(10, 14, 90, 86), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-}
-
-TEST(PlatformContextSkiaTest, trackOpaquePathTest)
-{
-    SkBitmap bitmap;
-    bitmap.setConfig(SkBitmap::kARGB_8888_Config, 200, 200);
-    bitmap.allocPixels();
-    SkCanvas canvas(bitmap);
-
-    PlatformContextSkia platformContext(&canvas);
-    platformContext.setTrackOpaqueRegion(true);
-    GraphicsContext context(&platformContext);
-
-    Color opaque(1.0f, 0.0f, 0.0f, 1.0f);
-    Color alpha(0.0f, 0.0f, 0.0f, 0.0f);
-
-    context.fillRect(FloatRect(10, 10, 90, 90), opaque, ColorSpaceDeviceRGB, CompositeSourceOver);
-    EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    context.setShouldAntialias(false);
-    context.setMiterLimit(1);
-    context.setStrokeThickness(5);
-    context.setLineCap(SquareCap);
-    context.setStrokeStyle(SolidStroke);
-    context.setCompositeOperation(CompositeSourceIn);
-
-    Path path;
-
-    context.setFillColor(alpha, ColorSpaceDeviceRGB);
-    path.moveTo(FloatPoint(0, 0));
-    path.addLineTo(FloatPoint(100, 0));
-    context.fillPath(path);
-    EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-    path.clear();
-
-    context.setFillColor(opaque, ColorSpaceDeviceRGB);
-    path.moveTo(FloatPoint(0, 10));
-    path.addLineTo(FloatPoint(100, 13));
-    context.fillPath(path);
-    EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-    path.clear();
-
-    context.setFillColor(alpha, ColorSpaceDeviceRGB);
-    path.moveTo(FloatPoint(0, 10));
-    path.addLineTo(FloatPoint(100, 13));
-    context.fillPath(path);
-    EXPECT_EQ_RECT(IntRect(10, 13, 90, 87), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-    path.clear();
-
-    context.setFillColor(alpha, ColorSpaceDeviceRGB);
-    path.moveTo(FloatPoint(0, 14));
-    path.addLineTo(FloatPoint(100, 10));
-    context.fillPath(path);
-    EXPECT_EQ_RECT(IntRect(10, 14, 90, 86), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-    path.clear();
-}
-
-TEST(PlatformContextSkiaTest, trackOpaqueImageTest)
-{
-    SkBitmap bitmap;
-    bitmap.setConfig(SkBitmap::kARGB_8888_Config, 200, 200);
-    bitmap.allocPixels();
-    SkCanvas canvas(bitmap);
-
-    PlatformContextSkia platformContext(&canvas);
-    platformContext.setTrackOpaqueRegion(true);
-    GraphicsContext context(&platformContext);
-
-    Color opaque(1.0f, 0.0f, 0.0f, 1.0f);
-    Color alpha(0.0f, 0.0f, 0.0f, 0.0f);
-
-    SkBitmap drawBitmap;
-    drawBitmap.setConfig(SkBitmap::kARGB_8888_Config, 10, 10);
-    drawBitmap.allocPixels();
-
-    drawBitmap.setIsOpaque(true);
-    for (int y = 0; y < drawBitmap.height(); ++y)
-        for (int x = 0; x < drawBitmap.width(); ++x)
-            *drawBitmap.getAddr32(x, y) = 0xFFFFFFFF;
-    RefPtr<BitmapImageSingleFrameSkia> opaqueImage = BitmapImageSingleFrameSkia::create(drawBitmap, true);
-    EXPECT_FALSE(opaqueImage->currentFrameHasAlpha());
-
-    drawBitmap.setIsOpaque(false);
-    for (int y = 0; y < drawBitmap.height(); ++y)
-        for (int x = 0; x < drawBitmap.width(); ++x)
-            *drawBitmap.getAddr32(x, y) = 0x00000000;
-    RefPtr<BitmapImageSingleFrameSkia> alphaImage = BitmapImageSingleFrameSkia::create(drawBitmap, true);
-    EXPECT_TRUE(alphaImage->currentFrameHasAlpha());
-
-    context.fillRect(FloatRect(10, 10, 90, 90), opaque, ColorSpaceDeviceRGB, CompositeSourceOver);
-    EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    context.drawImage(opaqueImage.get(), ColorSpaceDeviceRGB, IntPoint(0, 0));
-    EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-    context.drawImage(alphaImage.get(), ColorSpaceDeviceRGB, IntPoint(0, 0));
-    EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    context.drawImage(opaqueImage.get(), ColorSpaceDeviceRGB, IntPoint(5, 5));
-    EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-    context.drawImage(alphaImage.get(), ColorSpaceDeviceRGB, IntPoint(5, 5));
-    EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    context.drawImage(opaqueImage.get(), ColorSpaceDeviceRGB, IntPoint(10, 10));
-    EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-    context.drawImage(alphaImage.get(), ColorSpaceDeviceRGB, IntPoint(10, 10));
-    EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    context.drawImage(alphaImage.get(), ColorSpaceDeviceRGB, IntPoint(20, 10), CompositeSourceIn);
-    EXPECT_EQ_RECT(IntRect(10, 20, 90, 80), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    context.save();
-    context.setAlpha(0.5);
-    context.drawImage(opaqueImage.get(), ColorSpaceDeviceRGB, IntPoint(25, 15), CompositeSourceIn);
-    context.restore();
-    EXPECT_EQ_RECT(IntRect(10, 25, 90, 75), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    context.fillRect(FloatRect(10, 10, 90, 90), opaque, ColorSpaceDeviceRGB, CompositeSourceOver);
-    EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    context.drawImage(alphaImage.get(), ColorSpaceDeviceRGB, IntPoint(10, 20), CompositeSourceIn);
-    EXPECT_EQ_RECT(IntRect(20, 10, 80, 90), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    context.save();
-    context.setAlpha(0.5);
-    context.drawImage(opaqueImage.get(), ColorSpaceDeviceRGB, IntPoint(15, 25), CompositeSourceIn);
-    context.restore();
-    EXPECT_EQ_RECT(IntRect(25, 10, 75, 90), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-}
-
-TEST(PlatformContextSkiaTest, trackOpaqueOvalTest)
-{
-    SkBitmap bitmap;
-    bitmap.setConfig(SkBitmap::kARGB_8888_Config, 200, 200);
-    bitmap.allocPixels();
-    bitmap.eraseColor(0);
-    SkCanvas canvas(bitmap);
-
-    PlatformContextSkia platformContext(&canvas);
-    platformContext.setTrackOpaqueRegion(true);
-    GraphicsContext context(&platformContext);
-
-    Color opaque(1.0f, 0.0f, 0.0f, 1.0f);
-    Color alpha(0.0f, 0.0f, 0.0f, 0.0f);
-
-    EXPECT_EQ_RECT(IntRect(0, 0, 0, 0), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    context.drawEllipse(IntRect(10, 10, 90, 90));
-    EXPECT_EQ_RECT(IntRect(0, 0, 0, 0), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    context.fillRect(FloatRect(10, 10, 90, 90), opaque, ColorSpaceDeviceRGB, CompositeSourceOver);
-    EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    context.setCompositeOperation(CompositeSourceIn);
-
-    context.setShouldAntialias(false);
-
-    context.setFillColor(opaque, ColorSpaceDeviceRGB);
-    context.drawEllipse(IntRect(10, 10, 50, 30));
-    EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    context.setFillColor(alpha, ColorSpaceDeviceRGB);
-    context.drawEllipse(IntRect(10, 10, 30, 50));
-    EXPECT_EQ_RECT(IntRect(40, 10, 60, 90), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    context.setShouldAntialias(true);
-
-    context.setFillColor(opaque, ColorSpaceDeviceRGB);
-    context.drawEllipse(IntRect(10, 10, 50, 30));
-    EXPECT_EQ_RECT(IntRect(40, 41, 60, 59), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    context.setFillColor(alpha, ColorSpaceDeviceRGB);
-    context.drawEllipse(IntRect(20, 10, 30, 50));
-    EXPECT_EQ_RECT(IntRect(51, 41, 49, 59), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-}
-
-TEST(PlatformContextSkiaTest, trackOpaqueIRectTest)
-{
-    SkBitmap bitmap;
-    bitmap.setConfig(SkBitmap::kARGB_8888_Config, 200, 200);
-    bitmap.allocPixels();
-    bitmap.eraseColor(0);
-    SkCanvas canvas(bitmap);
-
-    PlatformContextSkia platformContext(&canvas);
-    platformContext.setTrackOpaqueRegion(true);
-    GraphicsContext context(&platformContext);
-
-    Color opaque(1.0f, 0.0f, 0.0f, 1.0f);
-    Color alpha(0.0f, 0.0f, 0.0f, 0.0f);
-
-    SkPaint opaquePaint;
-    opaquePaint.setColor(opaque.rgb());
-    opaquePaint.setXfermodeMode(SkXfermode::kSrc_Mode);
-    SkPaint alphaPaint;
-    alphaPaint.setColor(alpha.rgb());
-    alphaPaint.setXfermodeMode(SkXfermode::kSrc_Mode);
-
-    EXPECT_EQ_RECT(IntRect(0, 0, 0, 0), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    platformContext.drawIRect(SkIRect::MakeXYWH(10, 10, 90, 90), opaquePaint);
-    EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    platformContext.drawIRect(SkIRect::MakeXYWH(0, 0, 100, 10), alphaPaint);
-    EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    platformContext.drawIRect(SkIRect::MakeXYWH(0, 0, 100, 20), alphaPaint);
-    EXPECT_EQ_RECT(IntRect(10, 20, 90, 80), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    platformContext.drawIRect(SkIRect::MakeXYWH(50, 0, 50, 100), alphaPaint);
-    EXPECT_EQ_RECT(IntRect(10, 20, 40, 80), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-}
-
-TEST(PlatformContextSkiaTest, trackOpaqueTextTest)
-{
-    SkBitmap bitmap;
-    bitmap.setConfig(SkBitmap::kARGB_8888_Config, 200, 200);
-    bitmap.allocPixels();
-    bitmap.eraseColor(0);
-    SkCanvas canvas(bitmap);
-
-    PlatformContextSkia platformContext(&canvas);
-    platformContext.setTrackOpaqueRegion(true);
-    GraphicsContext context(&platformContext);
-
-    Color opaque(1.0f, 0.0f, 0.0f, 1.0f);
-    Color alpha(0.0f, 0.0f, 0.0f, 0.0f);
-
-    SkPaint opaquePaint;
-    opaquePaint.setColor(opaque.rgb());
-    opaquePaint.setXfermodeMode(SkXfermode::kSrc_Mode);
-    SkPaint alphaPaint;
-    alphaPaint.setColor(alpha.rgb());
-    alphaPaint.setXfermodeMode(SkXfermode::kSrc_Mode);
-
-    SkPoint point = SkPoint::Make(0, 0);
-    SkScalar pointX = 0;
-    SkPath path;
-    path.moveTo(SkPoint::Make(0, 0));
-    path.lineTo(SkPoint::Make(100, 0));
-
-    context.fillRect(FloatRect(50, 50, 50, 50), opaque, ColorSpaceDeviceRGB, CompositeSourceOver);
-    EXPECT_EQ_RECT(IntRect(50, 50, 50, 50), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    platformContext.drawPosText("A", 1, &point, opaquePaint);
-    EXPECT_EQ_RECT(IntRect(50, 50, 50, 50), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    platformContext.drawPosText("A", 1, &point, alphaPaint);
-    EXPECT_EQ_RECT(IntRect(0, 0, 0, 0), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    context.fillRect(FloatRect(50, 50, 50, 50), opaque, ColorSpaceDeviceRGB, CompositeSourceOver);
-    EXPECT_EQ_RECT(IntRect(50, 50, 50, 50), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    platformContext.drawPosTextH("A", 1, &pointX, 0, opaquePaint);
-    EXPECT_EQ_RECT(IntRect(50, 50, 50, 50), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    platformContext.drawPosTextH("A", 1, &pointX, 0, alphaPaint);
-    EXPECT_EQ_RECT(IntRect(0, 0, 0, 0), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    context.fillRect(FloatRect(50, 50, 50, 50), opaque, ColorSpaceDeviceRGB, CompositeSourceOver);
-    EXPECT_EQ_RECT(IntRect(50, 50, 50, 50), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    platformContext.drawTextOnPath("A", 1, path, 0, opaquePaint);
-    EXPECT_EQ_RECT(IntRect(50, 50, 50, 50), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    platformContext.drawTextOnPath("A", 1, path, 0, alphaPaint);
-    EXPECT_EQ_RECT(IntRect(0, 0, 0, 0), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-}
-
-TEST(PlatformContextSkiaTest, trackOpaqueWritePixelsTest)
-{
-    SkBitmap bitmap;
-    bitmap.setConfig(SkBitmap::kARGB_8888_Config, 200, 200);
-    bitmap.allocPixels();
-    bitmap.eraseColor(0);
-    SkCanvas canvas(bitmap);
-
-    PlatformContextSkia platformContext(&canvas);
-    platformContext.setTrackOpaqueRegion(true);
-    GraphicsContext context(&platformContext);
-
-    Color opaque(1.0f, 0.0f, 0.0f, 1.0f);
-
-    SkBitmap opaqueBitmap;
-    opaqueBitmap.setConfig(SkBitmap::kARGB_8888_Config, 10, 10);
-    opaqueBitmap.allocPixels();
-    opaqueBitmap.setIsOpaque(true);
-    for (int y = 0; y < opaqueBitmap.height(); ++y)
-        for (int x = 0; x < opaqueBitmap.width(); ++x)
-            *opaqueBitmap.getAddr32(x, y) = 0xFFFFFFFF;
-
-    SkBitmap alphaBitmap;
-    alphaBitmap.setConfig(SkBitmap::kARGB_8888_Config, 10, 10);
-    alphaBitmap.allocPixels();
-    alphaBitmap.setIsOpaque(false);
-    for (int y = 0; y < alphaBitmap.height(); ++y)
-        for (int x = 0; x < alphaBitmap.width(); ++x)
-            *alphaBitmap.getAddr32(x, y) = 0x00000000;
-
-    SkPaint paint;
-    paint.setXfermodeMode(SkXfermode::kSrc_Mode);
-
-    platformContext.writePixels(opaqueBitmap, 50, 50);
-    EXPECT_EQ_RECT(IntRect(50, 50, 10, 10), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    context.fillRect(FloatRect(10, 10, 90, 90), opaque, ColorSpaceDeviceRGB, CompositeSourceOver);
-    EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    platformContext.writePixels(alphaBitmap, 10, 0);
-    EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    platformContext.writePixels(alphaBitmap, 10, 1);
-    EXPECT_EQ_RECT(IntRect(10, 11, 90, 89), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    platformContext.writePixels(alphaBitmap, 0, 10);
-    EXPECT_EQ_RECT(IntRect(10, 11, 90, 89), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    platformContext.writePixels(alphaBitmap, 1, 10);
-    EXPECT_EQ_RECT(IntRect(11, 11, 89, 89), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-}
-
-TEST(PlatformContextSkiaTest, trackOpaqueDrawBitmapTest)
-{
-    SkBitmap bitmap;
-    bitmap.setConfig(SkBitmap::kARGB_8888_Config, 200, 200);
-    bitmap.allocPixels();
-    bitmap.eraseColor(0);
-    SkCanvas canvas(bitmap);
-
-    PlatformContextSkia platformContext(&canvas);
-    platformContext.setTrackOpaqueRegion(true);
-    GraphicsContext context(&platformContext);
-
-    Color opaque(1.0f, 0.0f, 0.0f, 1.0f);
-
-    SkBitmap opaqueBitmap;
-    opaqueBitmap.setConfig(SkBitmap::kARGB_8888_Config, 10, 10);
-    opaqueBitmap.allocPixels();
-    opaqueBitmap.setIsOpaque(true);
-    for (int y = 0; y < opaqueBitmap.height(); ++y)
-        for (int x = 0; x < opaqueBitmap.width(); ++x)
-            *opaqueBitmap.getAddr32(x, y) = 0xFFFFFFFF;
-
-    SkBitmap alphaBitmap;
-    alphaBitmap.setConfig(SkBitmap::kARGB_8888_Config, 10, 10);
-    alphaBitmap.allocPixels();
-    alphaBitmap.setIsOpaque(false);
-    for (int y = 0; y < alphaBitmap.height(); ++y)
-        for (int x = 0; x < alphaBitmap.width(); ++x)
-            *alphaBitmap.getAddr32(x, y) = 0x00000000;
-
-    SkPaint paint;
-    paint.setXfermodeMode(SkXfermode::kSrc_Mode);
-
-    platformContext.drawBitmap(opaqueBitmap, 10, 10, &paint);
-    EXPECT_EQ_RECT(IntRect(10, 10, 10, 10), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    context.fillRect(FloatRect(10, 10, 90, 90), opaque, ColorSpaceDeviceRGB, CompositeSourceOver);
-    EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    platformContext.drawBitmap(alphaBitmap, 10, 0, &paint);
-    EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    platformContext.drawBitmap(alphaBitmap, 10, 1, &paint);
-    EXPECT_EQ_RECT(IntRect(10, 11, 90, 89), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    platformContext.drawBitmap(alphaBitmap, 0, 10, &paint);
-    EXPECT_EQ_RECT(IntRect(10, 11, 90, 89), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    platformContext.drawBitmap(alphaBitmap, 1, 10, &paint);
-    EXPECT_EQ_RECT(IntRect(11, 11, 89, 89), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-}
-
-TEST(PlatformContextSkiaTest, trackOpaqueDrawBitmapRectTest)
-{
-    SkBitmap bitmap;
-    bitmap.setConfig(SkBitmap::kARGB_8888_Config, 200, 200);
-    bitmap.allocPixels();
-    bitmap.eraseColor(0);
-    SkCanvas canvas(bitmap);
-
-    PlatformContextSkia platformContext(&canvas);
-    platformContext.setTrackOpaqueRegion(true);
-    GraphicsContext context(&platformContext);
-
-    Color opaque(1.0f, 0.0f, 0.0f, 1.0f);
-
-    SkBitmap opaqueBitmap;
-    opaqueBitmap.setConfig(SkBitmap::kARGB_8888_Config, 10, 10);
-    opaqueBitmap.allocPixels();
-    opaqueBitmap.setIsOpaque(true);
-    for (int y = 0; y < opaqueBitmap.height(); ++y)
-        for (int x = 0; x < opaqueBitmap.width(); ++x)
-            *opaqueBitmap.getAddr32(x, y) = 0xFFFFFFFF;
-
-    SkBitmap alphaBitmap;
-    alphaBitmap.setConfig(SkBitmap::kARGB_8888_Config, 10, 10);
-    alphaBitmap.allocPixels();
-    alphaBitmap.setIsOpaque(false);
-    for (int y = 0; y < alphaBitmap.height(); ++y)
-        for (int x = 0; x < alphaBitmap.width(); ++x)
-            *alphaBitmap.getAddr32(x, y) = 0x00000000;
-
-    SkPaint paint;
-    paint.setXfermodeMode(SkXfermode::kSrc_Mode);
-
-    platformContext.drawBitmapRect(opaqueBitmap, 0, SkRect::MakeXYWH(10, 10, 90, 90), &paint);
-    EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    platformContext.drawBitmapRect(alphaBitmap, 0, SkRect::MakeXYWH(10, 0, 10, 10), &paint);
-    EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    platformContext.drawBitmapRect(alphaBitmap, 0, SkRect::MakeXYWH(10, 0, 10, 11), &paint);
-    EXPECT_EQ_RECT(IntRect(10, 11, 90, 89), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    platformContext.drawBitmapRect(alphaBitmap, 0, SkRect::MakeXYWH(0, 10, 10, 10), &paint);
-    EXPECT_EQ_RECT(IntRect(10, 11, 90, 89), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-
-    platformContext.drawBitmapRect(alphaBitmap, 0, SkRect::MakeXYWH(0, 10, 11, 10), &paint);
-    EXPECT_EQ_RECT(IntRect(11, 11, 89, 89), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-}
-
-TEST(PlatformContextSkiaTest, contextTransparencyLayerTest)
-{
-    SkBitmap bitmap;
-    bitmap.setConfig(SkBitmap::kARGB_8888_Config, 400, 400);
-    bitmap.allocPixels();
-    bitmap.eraseColor(0);
-    SkCanvas canvas(bitmap);
-
-    PlatformContextSkia platformContext(&canvas);
-    platformContext.setTrackOpaqueRegion(true);
-    GraphicsContext context(&platformContext);
-    
-    Color opaque(1.0f, 0.0f, 0.0f, 1.0f);
-    
-    context.fillRect(FloatRect(20, 20, 10, 10), opaque, ColorSpaceDeviceRGB, CompositeSourceOver);
-    EXPECT_EQ_RECT(IntRect(20, 20, 10, 10), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-    
-    context.clearRect(FloatRect(20, 20, 10, 10));
-    EXPECT_EQ_RECT(IntRect(), platformContext.opaqueRegion().asRect());
-
-    context.beginTransparencyLayer(0.5);
-    context.save();
-    context.fillRect(FloatRect(20, 20, 10, 10), opaque, ColorSpaceDeviceRGB, CompositeSourceOver);
-    context.restore();
-    context.endTransparencyLayer();
-    EXPECT_EQ_RECT(IntRect(), platformContext.opaqueRegion().asRect());
-
-    context.clearRect(FloatRect(20, 20, 10, 10));
-    EXPECT_EQ_RECT(IntRect(), platformContext.opaqueRegion().asRect());
-
-    context.beginTransparencyLayer(0.5);
-    context.fillRect(FloatRect(20, 20, 10, 10), opaque, ColorSpaceDeviceRGB, CompositeSourceOver);
-    context.endTransparencyLayer();
-    EXPECT_EQ_RECT(IntRect(), platformContext.opaqueRegion().asRect());
-}
-
-TEST(PlatformContextSkiaTest, UnboundedDrawsAreClipped)
-{
-    SkBitmap bitmap;
-    bitmap.setConfig(SkBitmap::kARGB_8888_Config, 400, 400);
-    bitmap.allocPixels();
-    bitmap.eraseColor(0);
-    SkCanvas canvas(bitmap);
-
-    PlatformContextSkia platformContext(&canvas);
-    platformContext.setTrackOpaqueRegion(true);
-    GraphicsContext context(&platformContext);
-
-    Color opaque(1.0f, 0.0f, 0.0f, 1.0f);
-    Color alpha(0.0f, 0.0f, 0.0f, 0.0f);
-
-    Path path;
-    context.setShouldAntialias(false);
-    context.setMiterLimit(1);
-    context.setStrokeThickness(5);
-    context.setLineCap(SquareCap);
-    context.setStrokeStyle(SolidStroke);
-
-    // Make skia unable to compute fast bounds for our paths.
-    DashArray dashArray;
-    dashArray.append(1);
-    dashArray.append(0);
-    context.setLineDash(dashArray, 0);
-
-    // Make the device opaque in 10,10 40x40.
-    context.fillRect(FloatRect(10, 10, 40, 40), opaque, ColorSpaceDeviceRGB, CompositeSourceOver);
-    EXPECT_EQ_RECT(IntRect(10, 10, 40, 40), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH_EXACT(bitmap, platformContext.opaqueRegion().asRect());
-
-    // Clip to the left edge of the opaque area.
-    context.clip(IntRect(10, 10, 10, 40));
-
-    // Draw a path that gets clipped. This should destroy the opaque area but only inside the clip.
-    context.setCompositeOperation(CompositeSourceOut);
-    context.setFillColor(alpha, ColorSpaceDeviceRGB);
-    path.moveTo(FloatPoint(10, 10));
-    path.addLineTo(FloatPoint(40, 40));
-    context.strokePath(path);
-
-    EXPECT_EQ_RECT(IntRect(20, 10, 30, 40), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH(bitmap, platformContext.opaqueRegion().asRect());
-}
-
-TEST(PlatformContextSkiaTest, PreserveOpaqueOnlyMattersForFirstLayer)
-{
-    SkBitmap bitmap;
-    bitmap.setConfig(SkBitmap::kARGB_8888_Config, 400, 400);
-    bitmap.allocPixels();
-    bitmap.eraseColor(0);
-    SkCanvas canvas(bitmap);
-
-    PlatformContextSkia platformContext(&canvas);
-    platformContext.setTrackOpaqueRegion(true);
-    GraphicsContext context(&platformContext);
-
-    Color opaque(1.0f, 0.0f, 0.0f, 1.0f);
-    Color alpha(0.0f, 0.0f, 0.0f, 0.0f);
-
-    Path path;
-    context.setShouldAntialias(false);
-    context.setMiterLimit(1);
-    context.setStrokeThickness(5);
-    context.setLineCap(SquareCap);
-    context.setStrokeStyle(SolidStroke);
-
-    // Make skia unable to compute fast bounds for our paths.
-    DashArray dashArray;
-    dashArray.append(1);
-    dashArray.append(0);
-    context.setLineDash(dashArray, 0);
-
-    // Make the device opaque in 10,10 40x40.
-    context.fillRect(FloatRect(10, 10, 40, 40), opaque, ColorSpaceDeviceRGB, CompositeSourceOver);
-    EXPECT_EQ_RECT(IntRect(10, 10, 40, 40), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH_EXACT(bitmap, platformContext.opaqueRegion().asRect());
-
-    // Begin a layer that preserves opaque.
-    context.setCompositeOperation(CompositeSourceOver);
-    context.beginTransparencyLayer(0.5);
-
-    // Begin a layer that does not preserve opaque.
-    context.setCompositeOperation(CompositeSourceOut);
-    context.beginTransparencyLayer(0.5);
-
-    // This should not destroy the device opaqueness.
-    context.fillRect(FloatRect(10, 10, 40, 40), opaque, ColorSpaceDeviceRGB, CompositeSourceOver);
-
-    // This should not destroy the device opaqueness either.
-    context.setFillColor(opaque, ColorSpaceDeviceRGB);
-    path.moveTo(FloatPoint(10, 10));
-    path.addLineTo(FloatPoint(40, 40));
-    context.strokePath(path);
-
-    context.endTransparencyLayer();
-    context.endTransparencyLayer();
-    EXPECT_EQ_RECT(IntRect(10, 10, 40, 40), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH_EXACT(bitmap, platformContext.opaqueRegion().asRect());
-
-    // Now begin a layer that does not preserve opaque and draw through it to the device.
-    context.setCompositeOperation(CompositeSourceOut);
-    context.beginTransparencyLayer(0.5);
-
-    // This should destroy the device opaqueness.
-    context.fillRect(FloatRect(10, 10, 40, 40), opaque, ColorSpaceDeviceRGB, CompositeSourceOver);
-
-    context.endTransparencyLayer();
-    EXPECT_EQ_RECT(IntRect(), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH_EXACT(bitmap, platformContext.opaqueRegion().asRect());
-
-    // Now we draw with a path for which it cannot compute fast bounds. This should destroy the entire opaque region.
-
-    context.setCompositeOperation(CompositeSourceOut);
-    context.beginTransparencyLayer(0.5);
-
-    // This should nuke the device opaqueness.
-    context.setFillColor(opaque, ColorSpaceDeviceRGB);
-    path.moveTo(FloatPoint(10, 10));
-    path.addLineTo(FloatPoint(40, 40));
-    context.strokePath(path);
-
-    context.endTransparencyLayer();
-    EXPECT_EQ_RECT(IntRect(), platformContext.opaqueRegion().asRect());
-    EXPECT_PIXELS_MATCH_EXACT(bitmap, platformContext.opaqueRegion().asRect());
-}
-
-#if defined(SK_SUPPORT_HINTING_SCALE_FACTOR)
-TEST(PlatformContextSkiaTest, hintingScaleFactorAppliedOnPaint)
-{
-    SkBitmap bitmap;
-    SkCanvas canvas(bitmap);
-
-    SkScalar hintingScale = SkIntToScalar(2);
-    PlatformContextSkia platformContext(&canvas);
-    platformContext.setHintingScaleFactor(hintingScale); 
-
-    SkPaint paint;
-    EXPECT_EQ(paint.getHintingScaleFactor(), SK_Scalar1);
-    platformContext.setupPaintCommon(&paint);
-    EXPECT_EQ(paint.getHintingScaleFactor(), hintingScale);
-}
-#endif
-
-} // namespace