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

Source/core/rendering/RenderObject.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  *           (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 2772 matching lines @@
     // RenderTexts don't have their own style, they just use their parent's style,
     // so we don't want to include them.
     if (isText())
         return;
 
     addAnnotatedRegions(regions);
     for (RenderObject* curr = slowFirstChild(); curr; curr = curr->nextSibling())
         curr->collectAnnotatedRegions(regions);
 }
 
-bool RenderObject::willRenderImage(ImageResource*)
+bool RenderObject::willRenderImage(ImageResource*, bool repeated)
 {
     // Without visibility we won't render (and therefore don't care about animation).
     if (style()->visibility() != VISIBLE)
         return false;
 
     // We will not render a new image when Active DOM is suspended
     if (document().activeDOMObjectsAreSuspended())
         return false;
 
+    // We will not render a new imagePweb

[dmazzoni, 2014/11/24 17:50:47]

Typo?

[je_julie(Not used), 2014/11/27 17:22:50]

Done.

+    // when AnimatedImageType is set to AnimatedImageTypeNone or
+    // when AnimatedImageType is set to AnimatedImageTypeOnce and frame is last.
+    if (document().settings()) {
+        AnimatedImageType animation = document().settings()->animatedImageType();
+        if (animation == AnimatedImageTypeNone)
+            return false;
+        if (animation == AnimatedImageTypeOnce && repeated)
+            return false;
+    }
     // If we're not in a window (i.e., we're dormant from being in a background tab)
     // then we don't want to render either.
     return document().view()->isVisible();
 }
 
 int RenderObject::caretMinOffset() const
 {
     return 0;
 }
 
@@ skipping 319 matching lines @@
 {
     if (object1) {
         const blink::RenderObject* root = object1;
         while (root->parent())
             root = root->parent();
         root->showRenderTreeAndMark(object1, "*", object2, "-", 0);
     }
 }
 
 #endif