Expose setting API to set ImageAnimationPolicy(Allowed, Once, None)

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 431 matching lines @@
 {
     if (!image || image != m_image)
         return;
     // decodedSize() == 0 indicates that the image is decoded into DiscardableMemory,
     // not in MemoryCache. So we don't need to call Resource::didAccessDecodedData()
     // to update MemoryCache.
     if (decodedSize() != 0)
         Resource::didAccessDecodedData();
 }
 
-bool ImageResource::shouldPauseAnimation(const blink::Image* image)
+bool ImageResource::shouldPauseAnimation(const blink::Image* image, bool repeated)
 {
     if (!image || image != m_image)
         return false;
 
     ResourceClientWalker<ImageResourceClient> w(m_clients);
     while (ImageResourceClient* c = w.next()) {
-        if (c->willRenderImage(this))
+        if (c->willRenderImage(this, repeated))
             return false;
     }
 
     return true;
 }
 
 void ImageResource::animationAdvanced(const blink::Image* image)
 {
     if (!image || image != m_image)
         return;
@@ skipping 20 matching lines @@
     if (response().wasFetchedViaServiceWorker())
         return response().serviceWorkerResponseType() != WebServiceWorkerResponseTypeOpaque;
     if (!image()->currentFrameHasSingleSecurityOrigin())
         return false;
     if (passesAccessControlCheck(securityOrigin))
         return true;
     return !securityOrigin->taintsCanvas(response().url());
 }
 
 } // namespace blink