CC: Support fractional iteration count on compositor animations

content/renderer/compositor_bindings/web_animation_impl.cc

 // Copyright 2014 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 "content/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 "content/renderer/compositor_bindings/web_filter_animation_curve_impl.h"
@@ skipping 61 matching lines @@
 int WebCompositorAnimationImpl::id() {
   return animation_->id();
 }
 
 blink::WebCompositorAnimation::TargetProperty
 WebCompositorAnimationImpl::targetProperty() const {
   return static_cast<WebCompositorAnimationImpl::TargetProperty>(
       animation_->target_property());
 }
 
+#if WEB_ANIMATION_SUPPORTS_FRACTIONAL_ITERATIONS
+double WebCompositorAnimationImpl::iterations() const {
+  return animation_->iterations();
+}
+
+void WebCompositorAnimationImpl::setIterations(double n) {
+  animation_->set_iterations(n);
+}
+#else
 int WebCompositorAnimationImpl::iterations() const {
   return animation_->iterations();
 }
 
 void WebCompositorAnimationImpl::setIterations(int n) {
   animation_->set_iterations(n);
 }
+#endif
 
 double WebCompositorAnimationImpl::startTime() const {
   return (animation_->start_time() - base::TimeTicks()).InSecondsF();
 }
 
 void WebCompositorAnimationImpl::setStartTime(double monotonic_time) {
   animation_->set_start_time(base::TimeTicks::FromInternalValue(
       monotonic_time * base::Time::kMicrosecondsPerSecond));
 }
 
@@ skipping 52 matching lines @@
 }
 #endif
 
 scoped_ptr<cc::Animation> WebCompositorAnimationImpl::PassAnimation() {
   animation_->set_needs_synchronized_start_time(true);
   return animation_.Pass();
 }
 
 }  // namespace content