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

Source/core/rendering/RenderObject.cpp

Index: Source/core/rendering/RenderObject.cpp
diff --git a/Source/core/rendering/RenderObject.cpp b/Source/core/rendering/RenderObject.cpp
index 58ea47d3caeab287c684db9946a971dbe6368b04..ae86fce2cf78e050e4aa3056a6d3e9a38b7caf76 100644
--- a/Source/core/rendering/RenderObject.cpp
+++ b/Source/core/rendering/RenderObject.cpp
@@ -2782,6 +2782,15 @@ bool RenderObject::willRenderImage(ImageResource*)
     return document().view()->isVisible();
 }
 
+bool RenderObject::getImageAnimationPolicy(ImageResource*, ImageAnimationPolicy& policy)
+{
+    if (!document().settings())
+        return false;
+
+    policy = document().settings()->imageAnimationPolicy();
+    return true;
+}
+
 int RenderObject::caretMinOffset() const
 {
     return 0;