Deferred image decoding to support animated GIFs

Source/core/platform/graphics/chromium/ImageDecodingStoreTest.cpp

Index: Source/core/platform/graphics/chromium/ImageDecodingStoreTest.cpp
diff --git a/Source/core/platform/graphics/chromium/ImageDecodingStoreTest.cpp b/Source/core/platform/graphics/chromium/ImageDecodingStoreTest.cpp
index 997f3fa34df3284d2d4a7570814d587d984a1304..47d3e63a17bea5d95875c83aeb85f58358190e2d 100644
--- a/Source/core/platform/graphics/chromium/ImageDecodingStoreTest.cpp
+++ b/Source/core/platform/graphics/chromium/ImageDecodingStoreTest.cpp
@@ -68,6 +68,10 @@ public:
         return ImageFrame::FramePartial;
     }
 
+    virtual size_t frameCount() { return 1; }
+    virtual int repetitionCount() const { return cAnimationNone; }
+    virtual float frameDuration() const { return 0; }
+
 protected:
     PassOwnPtr<ScaledImageFragment> createCompleteImage(const SkISize& size, bool discardable = false, size_t index = 0)
     {