Decode GIF image frames on demand.

Source/WebKit/chromium/tests/ImageLayerChromiumTest.cpp

Index: Source/WebKit/chromium/tests/ImageLayerChromiumTest.cpp
diff --git a/Source/WebKit/chromium/tests/ImageLayerChromiumTest.cpp b/Source/WebKit/chromium/tests/ImageLayerChromiumTest.cpp
index 60102e97148538881e95fc485e55cf250f2f594c..f4258bf478f031a9f8989adf6ac9f5d871e529b9 100644
--- a/Source/WebKit/chromium/tests/ImageLayerChromiumTest.cpp
+++ b/Source/WebKit/chromium/tests/ImageLayerChromiumTest.cpp
@@ -38,8 +38,8 @@ namespace {
 
 class MockGraphicsLayerClient : public GraphicsLayerClient {
   public:
-    virtual void notifyAnimationStarted(const GraphicsLayer*, double time) { }
-    virtual void paintContents(const GraphicsLayer*, GraphicsContext&, GraphicsLayerPaintingPhase, const IntRect& inClip) { }
+    virtual void notifyAnimationStarted(const GraphicsLayer*, double time) OVERRIDE { }
+    virtual void paintContents(const GraphicsLayer*, GraphicsContext&, GraphicsLayerPaintingPhase, const IntRect& inClip) OVERRIDE { }
 };
 
 class TestImage : public Image {
@@ -61,22 +61,22 @@ public:
         m_nativeImage->bitmap().setIsOpaque(opaque);
     }
 
-    virtual bool isBitmapImage() const
+    virtual bool isBitmapImage() const OVERRIDE
     {
         return true;
     }
 
-    virtual bool currentFrameKnownToBeOpaque()
+    virtual bool currentFrameKnownToBeOpaque() OVERRIDE
     {
         return m_nativeImage->bitmap().isOpaque();
     }
 
-    virtual IntSize size() const
+    virtual IntSize size() const OVERRIDE
     {
         return m_size;
     }
 
-    virtual PassRefPtr<NativeImageSkia> nativeImageForCurrentFrame()
+    virtual PassRefPtr<NativeImageSkia> nativeImageForCurrentFrame() OVERRIDE
     {
         if (m_size.isZero())
             return 0;
@@ -85,18 +85,16 @@ public:
     }
 
     // Stub implementations of pure virtual Image functions.
-    virtual void destroyDecodedData(bool)
+    virtual void destroyDecodedData() OVERRIDE
     {
     }
 
-    virtual unsigned int decodedSize() const
+    virtual unsigned decodedSize() const OVERRIDE
     {
         return 0u;
     }
 
-    virtual void draw(WebCore::GraphicsContext*, const WebCore::FloatRect&,
-                      const WebCore::FloatRect&, WebCore::ColorSpace,
-                      WebCore::CompositeOperator, WebCore::BlendMode)
+    virtual void draw(GraphicsContext*, const FloatRect&, const FloatRect&, ColorSpace, CompositeOperator, BlendMode) OVERRIDE
     {
     }