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

Source/platform/graphics/ImageAnimationPolicy.h

Index: Source/platform/graphics/ImageAnimationPolicy.h
diff --git a/Source/core/dom/EmptyNodeList.cpp b/Source/platform/graphics/ImageAnimationPolicy.h
similarity index 77%
copy from Source/core/dom/EmptyNodeList.cpp
copy to Source/platform/graphics/ImageAnimationPolicy.h
index f42da565eece3f6355267a9887d2e5dca1e46780..a4431d2d23186d5b00dc2f4452d4ad38397cc175 100644
--- a/Source/core/dom/EmptyNodeList.cpp
+++ b/Source/platform/graphics/ImageAnimationPolicy.h
@@ -1,5 +1,4 @@
 /*

[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
@@ -29,30 +28,23 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#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
-}
-
-Node* EmptyNodeList::virtualOwnerNode() const
-{
-    return &ownerNode();
-}
+// 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
 
-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