Drawing an animated image to a canvas now behave as expected

Source/platform/graphics/BitmapImage.h

Index: Source/platform/graphics/BitmapImage.h
diff --git a/Source/platform/graphics/BitmapImage.h b/Source/platform/graphics/BitmapImage.h
index 9b2c9f851ea8e78067f2c3a5f0f138d703a932da..52803572392b5616a3870b2f1549b361c3b19910 100644
--- a/Source/platform/graphics/BitmapImage.h
+++ b/Source/platform/graphics/BitmapImage.h
@@ -83,6 +83,8 @@ public:
 
     ImageOrientation currentFrameOrientation();
 
+    PassRefPtr<NativeImageSkia> frameAtIndex(size_t);
+
 #if ASSERT_ENABLED
     virtual bool notSolidColor() OVERRIDE;
 #endif
@@ -107,7 +109,6 @@ protected:
 
     size_t currentFrame() const { return m_currentFrame; }
     size_t frameCount();
-    PassRefPtr<NativeImageSkia> frameAtIndex(size_t);
     bool frameIsCompleteAtIndex(size_t);
     float frameDurationAtIndex(size_t);
     bool frameHasAlphaAtIndex(size_t);