Check the condition for animation policy of bitmapImage on notifyFinished.

Source/core/fetch/ImageResource.cpp

 /*
     Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de)
     Copyright (C) 2001 Dirk Mueller (mueller@kde.org)
     Copyright (C) 2002 Waldo Bastian (bastian@kde.org)
     Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
     Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved.
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Library General Public
     License as published by the Free Software Foundation; either
@@ skipping 455 matching lines @@
     return true;
 }
 
 void ImageResource::animationAdvanced(const blink::Image* image)
 {
     if (!image || image != m_image)
         return;
     notifyObservers();
 }
 
-void ImageResource::imageAnimationPolicy(const blink::Image* image, ImageAnimationPolicy& policy)
+void ImageResource::updateImageAnimationPolicy()
 {
-    if (!image || image != m_image)
+    if (!m_image)
         return;
 
+    ImageAnimationPolicy newPolicy = ImageAnimationPolicyAllowed;
     ResourceClientWalker<ImageResourceClient> w(m_clients);
     while (ImageResourceClient* c = w.next()) {
-        if (c->getImageAnimationPolicy(this, policy))
-            return;
+        if (c->getImageAnimationPolicy(this, newPolicy))
+            break;
+    }
+
+    if (m_image->animationPolicy() != newPolicy) {
+        m_image->resetAnimation();
+        m_image->setAnimationPolicy(newPolicy);
     }
 }
 
 void ImageResource::changedInRect(const blink::Image* image, const IntRect& rect)
 {
     if (!image || image != m_image)
         return;
     notifyObservers(&rect);
 }
 
@@ skipping 12 matching lines @@
     if (response().wasFetchedViaServiceWorker())
         return response().serviceWorkerResponseType() != WebServiceWorkerResponseTypeOpaque;
     if (!image()->currentFrameHasSingleSecurityOrigin())
         return false;
     if (passesAccessControlCheck(context, securityOrigin))
         return true;
     return !securityOrigin->taintsCanvas(response().url());
 }
 
 } // namespace blink