Check the condition for animation policy of bitmapImage on notifyFinished.

Source/platform/graphics/Image.h

Index: Source/platform/graphics/Image.h
diff --git a/Source/platform/graphics/Image.h b/Source/platform/graphics/Image.h
index 0a67e4ba59206bfcc619a07e73222dcd5bf52c93..afe4e96b5339e58a245bc3710485baa27a18792b 100644
--- a/Source/platform/graphics/Image.h
+++ b/Source/platform/graphics/Image.h
@@ -31,6 +31,7 @@
 #include "platform/geometry/IntRect.h"
 #include "platform/graphics/Color.h"
 #include "platform/graphics/GraphicsTypes.h"
+#include "platform/graphics/ImageAnimationPolicy.h"
 #include "platform/graphics/ImageOrientation.h"
 #include "platform/graphics/skia/NativeImageSkia.h"
 #include "third_party/skia/include/core/SkXfermode.h"
@@ -115,6 +116,10 @@ public:
     // True if this image can potentially animate.
     virtual bool maybeAnimated() { return false; }
 
+    // Set animationPolicy
+    virtual void setAnimationPolicy(ImageAnimationPolicy) { }
+    virtual ImageAnimationPolicy animationPolicy() { return ImageAnimationPolicyAllowed; }
+
     // Typically the ImageResource that owns us.
     ImageObserver* imageObserver() const { return m_imageObserver; }
     void setImageObserver(ImageObserver* observer) { m_imageObserver = observer; }