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diff --git a/Source/WebKit2/WebProcess/WebPage/DrawingArea.cpp b/Source/WebKit2/WebProcess/WebPage/DrawingArea.cpp
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index 000000000..9d42ce4a5
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+++ b/Source/WebKit2/WebProcess/WebPage/DrawingArea.cpp
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+/*
+ * Copyright (C) 2010 Apple 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 "DrawingArea.h"
+
+// Subclasses
+#include "DrawingAreaImpl.h"
+
+#if USE(TILED_BACKING_STORE)
+#include "TiledDrawingArea.h"
+#endif
+
+#if PLATFORM(MAC)
+#include "TiledCoreAnimationDrawingArea.h"
+#endif
+
+#include "WebPageCreationParameters.h"
+
+namespace WebKit {
+
+PassOwnPtr<DrawingArea> DrawingArea::create(WebPage* webPage, const WebPageCreationParameters& parameters)
+{
+    switch (parameters.drawingAreaType) {
+    case DrawingAreaTypeImpl:
+        return DrawingAreaImpl::create(webPage, parameters);
+#if USE(TILED_BACKING_STORE)
+    case DrawingAreaTypeTiled:
+        return adoptPtr(new TiledDrawingArea(webPage));
+#endif
+#if PLATFORM(MAC)
+    case DrawingAreaTypeTiledCoreAnimation:
+        return TiledCoreAnimationDrawingArea::create(webPage, parameters);
+#endif
+    }
+
+    return nullptr;
+}
+
+DrawingArea::DrawingArea(DrawingAreaType type, WebPage* webPage)
+    : m_type(type)
+    , m_webPage(webPage)
+{
+}
+
+DrawingArea::~DrawingArea()
+{
+}
+
+} // namespace WebKit