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 0a8a986932c617eb0a17ce44c542e908f3ed58ca..293ecc90a75fb1e3acaf69ef323ef70dbff8ebfe 100644
--- a/Source/core/rendering/RenderObject.cpp
+++ b/Source/core/rendering/RenderObject.cpp
@@ -2790,7 +2790,7 @@ void RenderObject::collectAnnotatedRegions(Vector<AnnotatedRegionValue>& regions
         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)
@@ -2800,6 +2800,16 @@ bool RenderObject::willRenderImage(ImageResource*)
     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();