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

webkit/renderer/compositor_bindings/web_animation_impl.cc

 // Copyright 2012 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_animation_impl.h"
 
 #include "cc/animation/animation.h"
 #include "cc/animation/animation_curve.h"
 #include "cc/animation/animation_id_provider.h"
 #include "third_party/WebKit/public/platform/WebAnimation.h"
@@ skipping 35 matching lines @@
   }
   animation_ = Animation::Create(
       curve.Pass(),
       animation_id,
       group_id,
       static_cast<cc::Animation::TargetProperty>(target_property));
 }
 
 WebAnimationImpl::~WebAnimationImpl() {}
 
-int WebAnimationImpl::id() { return animation_->id(); }
+int WebAnimationImpl::id() { return Animation()->id(); }
 
 WebKit::WebAnimation::TargetProperty WebAnimationImpl::targetProperty() const {
   return static_cast<WebAnimationImpl::TargetProperty>(
-      animation_->target_property());
+      Animation()->target_property());
 }
 
-int WebAnimationImpl::iterations() const { return animation_->iterations(); }
+int WebAnimationImpl::iterations() const { return Animation()->iterations(); }
 
-void WebAnimationImpl::setIterations(int n) { animation_->set_iterations(n); }
+void WebAnimationImpl::setIterations(int n) { Animation()->set_iterations(n); }
 
-double WebAnimationImpl::startTime() const { return animation_->start_time(); }
+double WebAnimationImpl::startTime() const { return Animation()->start_time(); }
 
 void WebAnimationImpl::setStartTime(double monotonic_time) {
-  animation_->set_start_time(monotonic_time);
+  Animation()->set_start_time(monotonic_time);
 }
 
 double WebAnimationImpl::timeOffset() const {
-  return animation_->time_offset();
+  return Animation()->time_offset();
 }
 
 void WebAnimationImpl::setTimeOffset(double monotonic_time) {
-  animation_->set_time_offset(monotonic_time);
+  Animation()->set_time_offset(monotonic_time);
 }
 
 bool WebAnimationImpl::alternatesDirection() const {
-  return animation_->alternates_direction();
+  return Animation()->alternates_direction();
 }
 
 void WebAnimationImpl::setAlternatesDirection(bool alternates) {
-  animation_->set_alternates_direction(alternates);
+  Animation()->set_alternates_direction(alternates);
 }
 
-scoped_ptr<cc::Animation> WebAnimationImpl::CloneToAnimation() {
-  scoped_ptr<cc::Animation> to_return(
-      animation_->Clone(cc::Animation::NonControllingInstance));
-  to_return->set_needs_synchronized_start_time(true);
-  return to_return.Pass();
+scoped_ptr<cc::Animation> WebAnimationImpl::PassAnimation() {
+  Animation()->set_needs_synchronized_start_time(true);
+  return animation_.Pass();
 }
 
 }  // namespace webkit