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

Source/platform/graphics/ImageAnimationPolicy.h

 /*

[tkent, 2014/12/01 01:45:34]

Please use the 3-line header.

http://www.chromium.org/blink/coding-style#TOC-License

[je_julie(Not used), 2014/12/01 05:29:24]

Done

- * Copyright (C) 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2014 Samsung Electronics. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
  * copyright notice, this list of conditions and the following disclaimer
  * in the documentation and/or other materials provided with the
  * distribution.
  *     * Neither the name of Google Inc. nor the names of its
  * contributors may be used to endorse or promote products derived from
  * this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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  */
 
-#include "config.h"
-#include "core/dom/EmptyNodeList.h"
-
-#include "core/dom/Node.h"
-#include "core/dom/NodeRareData.h"
+#ifndef ImageAnimationPolicy_h
+#define ImageAnimationPolicy_h
 
 namespace blink {
 
-EmptyNodeList::~EmptyNodeList()
-{
-#if !ENABLE(OILPAN)
-    m_owner->nodeLists()->removeEmptyChildNodeList(this);
-#endif
-}
+// ImageAnimationPolicy is used for controling image animation

[dmazzoni, 2014/11/29 07:56:33]

nit: controling -> controlling

[je_julie(Not used), 2014/12/01 05:29:24]

Done

+// when image frame is rendered for animation
 
-Node* EmptyNodeList::virtualOwnerNode() const
-{
-    return &ownerNode();
-}
-
-void EmptyNodeList::trace(Visitor* visitor)
-{
-    visitor->trace(m_owner);
-    NodeList::trace(visitor);
-}
+enum ImageAnimationPolicy {
+    // Keep image animated(it's normal behavior).
+    ImageAnimationPolicyAllowed,

[dmazzoni, 2014/11/29 07:56:33]

I'd write this as:

// Animate the image (the default).

[je_julie(Not used), 2014/12/01 05:29:24]

Done

+    // Animate image just once.
+    ImageAnimationPolicyAnimateOnce,
+    // Animation is not allowed and keep still image.

[dmazzoni, 2014/11/29 07:56:33]

How about this?

// Show the first frame and do not animate.

[je_julie(Not used), 2014/12/01 05:29:24]

Done

+    ImageAnimationPolicyNoAnimation
+};
 
 } // namespace blink
+
+#endif // ImageAnimationPolicy_h