Revert "Imported WebKit commit 0dc6cd75e1d4836eaffbb520be96fac4847cc9d2 (http://svn.webkit.org/repository/webkit/trunk@131300)"

This reverts commit 5466563f4b5b6b86523e3f89bb7f77e5b5270c78.

Caused OOM issues on some CI machines :(

1 files changed, 0 insertions, 178 deletions

diff --git a/Source/WebCore/rendering/RenderLayerModelObject.cpp b/Source/WebCore/rendering/RenderLayerModelObject.cpp
deleted file mode 100644
index aeb32b7a2..000000000
--- a/Source/WebCore/rendering/RenderLayerModelObject.cpp
+++ /dev/null
@@ -1,178 +0,0 @@
-/*
- * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
- *           (C) 1999 Antti Koivisto (koivisto@kde.org)
- *           (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com)
- *           (C) 2005, 2006 Samuel Weinig (sam.weinig@gmail.com)
- * Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
- * Copyright (C) 2010, 2012 Google Inc. All rights reserved.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public License
- * along with this library; see the file COPYING.LIB.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
-
-#include "config.h"
-#include "RenderLayerModelObject.h"
-
-#include "RenderLayer.h"
-#include "RenderView.h"
-
-using namespace std;
-
-namespace WebCore {
-
-bool RenderLayerModelObject::s_wasFloating = false;
-bool RenderLayerModelObject::s_hadLayer = false;
-bool RenderLayerModelObject::s_hadTransform = false;
-bool RenderLayerModelObject::s_layerWasSelfPainting = false;
-
-RenderLayerModelObject::RenderLayerModelObject(Node* node)
-    : RenderObject(node)
-    , m_layer(0)
-{
-}
-
-RenderLayerModelObject::~RenderLayerModelObject()
-{
-    // Our layer should have been destroyed and cleared by now
-    ASSERT(!hasLayer());
-    ASSERT(!m_layer);
-}
-
-void RenderLayerModelObject::destroyLayer()
-{
-    ASSERT(!hasLayer()); // Callers should have already called setHasLayer(false)
-    ASSERT(m_layer);
-    m_layer->destroy(renderArena());
-    m_layer = 0;
-}
-
-void RenderLayerModelObject::ensureLayer()
-{
-    if (m_layer)
-        return;
-
-    m_layer = new (renderArena()) RenderLayer(this);
-    setHasLayer(true);
-    m_layer->insertOnlyThisLayer();
-}
-
-bool RenderLayerModelObject::hasSelfPaintingLayer() const
-{
-    return m_layer && m_layer->isSelfPaintingLayer();
-}
-
-void RenderLayerModelObject::willBeDestroyed()
-{
-    // RenderObject::willBeDestroyed calls back to destroyLayer() for layer destruction
-    RenderObject::willBeDestroyed();
-}
-
-void RenderLayerModelObject::styleWillChange(StyleDifference diff, const RenderStyle* newStyle)
-{
-    s_wasFloating = isFloating();
-    s_hadLayer = hasLayer();
-    s_hadTransform = hasTransform();
-    if (s_hadLayer)
-        s_layerWasSelfPainting = layer()->isSelfPaintingLayer();
-
-    // If our z-index changes value or our visibility changes,
-    // we need to dirty our stacking context's z-order list.
-    RenderStyle* oldStyle = style();
-    if (oldStyle && newStyle) {
-        if (parent()) {
-            // Do a repaint with the old style first, e.g., for example if we go from
-            // having an outline to not having an outline.
-            if (diff == StyleDifferenceRepaintLayer) {
-                layer()->repaintIncludingDescendants();
-                if (!(oldStyle->clip() == newStyle->clip()))
-                    layer()->clearClipRectsIncludingDescendants();
-            } else if (diff == StyleDifferenceRepaint || newStyle->outlineSize() < oldStyle->outlineSize())
-                repaint();
-        }
-
-        if (diff == StyleDifferenceLayout || diff == StyleDifferenceSimplifiedLayout) {
-            // When a layout hint happens, we go ahead and do a repaint of the layer, since the layer could
-            // end up being destroyed.
-            if (hasLayer()) {
-                if (oldStyle->position() != newStyle->position()
-                    || oldStyle->zIndex() != newStyle->zIndex()
-                    || oldStyle->hasAutoZIndex() != newStyle->hasAutoZIndex()
-                    || !(oldStyle->clip() == newStyle->clip())
-                    || oldStyle->hasClip() != newStyle->hasClip()
-                    || oldStyle->opacity() != newStyle->opacity()
-                    || oldStyle->transform() != newStyle->transform()
-#if ENABLE(CSS_FILTERS)
-                    || oldStyle->filter() != newStyle->filter()
-#endif
-                    )
-                layer()->repaintIncludingDescendants();
-            } else if (newStyle->hasTransform() || newStyle->opacity() < 1 || newStyle->hasFilter()) {
-                // If we don't have a layer yet, but we are going to get one because of transform or opacity,
-                //  then we need to repaint the old position of the object.
-                repaint();
-            }
-        }
-    }
-
-    RenderObject::styleWillChange(diff, newStyle);
-}
-
-void RenderLayerModelObject::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle)
-{
-    RenderObject::styleDidChange(diff, oldStyle);
-    updateFromStyle();
-
-    if (requiresLayer()) {
-        if (!layer() && layerCreationAllowedForSubtree()) {
-            if (s_wasFloating && isFloating())
-                setChildNeedsLayout(true);
-            ensureLayer();
-            if (parent() && !needsLayout() && containingBlock()) {
-                layer()->setRepaintStatus(NeedsFullRepaint);
-                // There is only one layer to update, it is not worth using |cachedOffset| since
-                // we are not sure the value will be used.
-                layer()->updateLayerPositions(0);
-            }
-        }
-    } else if (layer() && layer()->parent()) {
-        setHasTransform(false); // Either a transform wasn't specified or the object doesn't support transforms, so just null out the bit.
-        setHasReflection(false);
-        layer()->removeOnlyThisLayer(); // calls destroyLayer() which clears m_layer
-        if (s_wasFloating && isFloating())
-            setChildNeedsLayout(true);
-        if (s_hadTransform)
-            setNeedsLayoutAndPrefWidthsRecalc();
-    }
-
-    if (layer()) {
-        layer()->styleChanged(diff, oldStyle);
-        if (s_hadLayer && layer()->isSelfPaintingLayer() != s_layerWasSelfPainting)
-            setChildNeedsLayout(true);
-    }
-
-    if (FrameView *frameView = view()->frameView()) {
-        bool newStyleIsViewportConstained = style()->hasViewportConstrainedPosition();
-        bool oldStyleIsViewportConstrained = oldStyle && oldStyle->hasViewportConstrainedPosition();
-        if (newStyleIsViewportConstained != oldStyleIsViewportConstrained) {
-            if (newStyleIsViewportConstained && layer())
-                frameView->addViewportConstrainedObject(this);
-            else
-                frameView->removeViewportConstrainedObject(this);
-        }
-    }
-}
-
-} // namespace WebCore
-