Initial import attempt, just to play with. Many things disabled/removed

ui/cc/GraphicsLayerChromium.h

Index: ui/cc/GraphicsLayerChromium.h
diff --git a/ui/cc/GraphicsLayerChromium.h b/ui/cc/GraphicsLayerChromium.h
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+/*
+ * Copyright (C) 2010 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:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * 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.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
+ * OWNER OR 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.
+ */
+
+#ifndef GraphicsLayerChromium_h
+#define GraphicsLayerChromium_h
+
+#if USE(ACCELERATED_COMPOSITING)
+
+#include "GraphicsContext.h"
+#include "GraphicsLayer.h"
+#include "OpaqueRectTrackingContentLayerDelegate.h"
+#include "cc/CCLayerAnimationDelegate.h"
+
+#include <public/WebContentLayer.h>
+#include <public/WebLayer.h>
+#include <wtf/HashMap.h>
+
+namespace WebCore {
+
+class LayerChromium;
+class LinkHighlight;
+class Path;
+
+class GraphicsLayerChromium : public GraphicsLayer, public GraphicsContextPainter, public CCLayerAnimationDelegate {
+public:
+    GraphicsLayerChromium(GraphicsLayerClient*);
+    virtual ~GraphicsLayerChromium();
+
+    virtual void setName(const String&);
+
+    virtual bool setChildren(const Vector<GraphicsLayer*>&);
+    virtual void addChild(GraphicsLayer*);
+    virtual void addChildAtIndex(GraphicsLayer*, int index);
+    virtual void addChildAbove(GraphicsLayer*, GraphicsLayer* sibling);
+    virtual void addChildBelow(GraphicsLayer*, GraphicsLayer* sibling);
+    virtual bool replaceChild(GraphicsLayer* oldChild, GraphicsLayer* newChild);
+
+    virtual void removeFromParent();
+
+    virtual void setPosition(const FloatPoint&);
+    virtual void setAnchorPoint(const FloatPoint3D&);
+    virtual void setSize(const FloatSize&);
+
+    virtual void setTransform(const TransformationMatrix&);
+
+    virtual void setChildrenTransform(const TransformationMatrix&);
+
+    virtual void setPreserves3D(bool);
+    virtual void setMasksToBounds(bool);
+    virtual void setDrawsContent(bool);
+    virtual void setContentsVisible(bool);
+    virtual void setMaskLayer(GraphicsLayer*);
+
+    virtual void setBackgroundColor(const Color&);
+    virtual void clearBackgroundColor();
+
+    virtual void setContentsOpaque(bool);
+    virtual void setBackfaceVisibility(bool);
+
+    virtual void setReplicatedByLayer(GraphicsLayer*);
+
+    virtual void setOpacity(float);
+
+    // Returns true if filter can be rendered by the compositor
+    virtual bool setFilters(const FilterOperations&);
+    void setBackgroundFilters(const FilterOperations&);
+
+    virtual void setNeedsDisplay();
+    virtual void setNeedsDisplayInRect(const FloatRect&);
+    virtual void setContentsNeedsDisplay();
+
+    virtual void setContentsRect(const IntRect&);
+
+    virtual void setContentsToImage(Image*);
+    virtual void setContentsToMedia(PlatformLayer*);
+    virtual void setContentsToCanvas(PlatformLayer*);
+    virtual bool hasContentsLayer() const { return !m_contentsLayer.isNull(); }
+
+    virtual bool addAnimation(const KeyframeValueList&, const IntSize& boxSize, const Animation*, const String&, double timeOffset);
+    virtual void pauseAnimation(const String& animationName, double timeOffset);
+    virtual void removeAnimation(const String& animationName);
+    virtual void suspendAnimations(double wallClockTime);
+    virtual void resumeAnimations();
+
+    virtual void addLinkHighlight(const Path&);
+    virtual void didFinishLinkHighlight();
+
+    virtual PlatformLayer* platformLayer() const;
+
+    virtual void setDebugBackgroundColor(const Color&);
+    virtual void setDebugBorder(const Color&, float borderWidth);
+    virtual void deviceOrPageScaleFactorChanged();
+
+    // GraphicsContextPainter implementation.
+    virtual void paint(GraphicsContext&, const IntRect& clip) OVERRIDE;
+
+    // CCLayerAnimationDelegate implementation.
+    virtual void notifyAnimationStarted(double startTime);
+    virtual void notifyAnimationFinished(double finishTime);
+
+    // Exposed for tests.
+    WebKit::WebLayer contentsLayer() const { return m_contentsLayer; }
+
+private:
+    virtual void willBeDestroyed();
+
+    WebKit::WebLayer primaryLayer() const  { return m_transformLayer.isNull() ? m_layer : m_transformLayer; }
+    WebKit::WebLayer hostLayerForChildren() const;
+    WebKit::WebLayer layerForParent() const;
+
+    void updateNames();
+    void updateChildList();
+    void updateLayerPosition();
+    void updateLayerSize();
+    void updateAnchorPoint();
+    void updateTransform();
+    void updateChildrenTransform();
+    void updateMasksToBounds();
+    void updateLayerPreserves3D();
+    void updateLayerIsDrawable();
+    void updateLayerBackgroundColor();
+
+    void updateContentsImage();
+    void updateContentsVideo();
+    void updateContentsRect();
+    void updateContentsScale();
+
+    void setupContentsLayer(LayerChromium*);
+    float contentsScale() const;
+
+    int mapAnimationNameToId(const String& animationName);
+
+    String m_nameBase;
+
+    WebKit::WebContentLayer m_layer;
+    WebKit::WebLayer m_transformLayer;
+    WebKit::WebLayer m_contentsLayer;
+
+    OwnPtr<OpaqueRectTrackingContentLayerDelegate> m_opaqueRectTrackingContentLayerDelegate;
+
+    enum ContentsLayerPurpose {
+        NoContentsLayer = 0,
+        ContentsLayerForImage,
+        ContentsLayerForVideo,
+        ContentsLayerForCanvas,
+    };
+
+    ContentsLayerPurpose m_contentsLayerPurpose;
+    bool m_contentsLayerHasBackgroundColor : 1;
+    bool m_inSetChildren;
+    bool m_pageScaleChanged;
+
+    RefPtr<LinkHighlight> m_linkHighlight;
+
+    typedef HashMap<String, int> AnimationIdMap;
+    AnimationIdMap m_animationIdMap;
+};
+
+} // namespace WebCore
+
+#endif // USE(ACCELERATED_COMPOSITING)
+
+#endif