Don't clone WebAnimation in WebLayerImpl::addAnimation().

webkit/renderer/compositor_bindings/web_layer_impl.cc

 // Copyright 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "webkit/renderer/compositor_bindings/web_layer_impl.h"
 
 #include "base/bind.h"
 #include "base/strings/string_util.h"
 #include "cc/animation/animation.h"
 #include "cc/base/region.h"
@@ skipping 173 matching lines @@
 }
 
 void WebLayerImpl::setAnimationDelegate(
       WebKit::WebAnimationDelegate* delegate) {
   animation_delegate_adapter_.reset(
       new WebToCCAnimationDelegateAdapter(delegate));
   layer_->set_layer_animation_delegate(animation_delegate_adapter_.get());
 }
 
 bool WebLayerImpl::addAnimation(WebKit::WebAnimation* animation) {
-  return layer_->AddAnimation(
-      static_cast<WebAnimationImpl*>(animation)->CloneToAnimation());
+  bool result = layer_->AddAnimation(
+      static_cast<WebAnimationImpl*>(animation)->PassAnimation());
+#if defined(ANIMATION_OWNERSHIP_TRANSFER)
+  delete animation;
+#endif
+  return result;
 }
 
 void WebLayerImpl::removeAnimation(int animation_id) {
   layer_->RemoveAnimation(animation_id);
 }
 
 void WebLayerImpl::removeAnimation(
     int animation_id,
     WebKit::WebAnimation::TargetProperty target_property) {
   layer_->layer_animation_controller()->RemoveAnimation(
@@ skipping 179 matching lines @@
 void WebLayerImpl::setClipParent(WebKit::WebLayer* parent) {
   cc::Layer* clip_parent = NULL;
   if (parent)
     clip_parent = static_cast<WebLayerImpl*>(parent)->layer();
   layer_->SetClipParent(clip_parent);
 }
 
 Layer* WebLayerImpl::layer() const { return layer_.get(); }
 
 }  // namespace webkit