Web Animations: Suppress compositor animations for transform on inline elements

third_party/WebKit/Source/core/animation/CompositorAnimations.cpp

 /*
  * Copyright (C) 2013 Google Inc. 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
@@ skipping 235 matching lines @@
 
     PropertyHandleSet properties = keyframeEffect.properties();
     if (properties.isEmpty())
         return false;
 
     unsigned transformPropertyCount = 0;
     for (const auto& property : properties) {
         if (!property.isCSSProperty())
             return false;
 
-        if (isTransformRelatedCSSProperty(property))
+        if (isTransformRelatedCSSProperty(property)) {
+            if (targetElement.layoutObject() && targetElement.layoutObject()->isInline()) {
+                return false;
+            }
             transformPropertyCount++;
+        }
 
         const PropertySpecificKeyframeVector& keyframes = keyframeEffect.getPropertySpecificKeyframes(property);
         ASSERT(keyframes.size() >= 2);
         for (const auto& keyframe : keyframes) {
             // FIXME: Determine candidacy based on the CSSValue instead of a snapshot AnimatableValue.
             bool isNeutralKeyframe = keyframe->isCSSPropertySpecificKeyframe() && !toCSSPropertySpecificKeyframe(keyframe.get())->value() && keyframe->composite() == EffectModel::CompositeAdd;
             if ((keyframe->composite() != EffectModel::CompositeReplace && !isNeutralKeyframe) || !keyframe->getAnimatableValue())
                 return false;
 
             switch (property.cssProperty()) {
@@ skipping 486 matching lines @@
             break;
         default:
             ASSERT_NOT_REACHED();
         }
         animations.append(animation.release());
     }
     ASSERT(!animations.isEmpty());
 }
 
 } // namespace blink