Make the web-animations engine use the passed in blink::WebFrameTime values.

Source/core/animation/DocumentAnimations.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 35 matching lines @@
 
 namespace {
 
 void updateAnimationTiming(Document& document, TimingUpdateReason reason)
 {
     document.timeline().serviceAnimations(reason);
 }
 
 } // namespace
 
-void DocumentAnimations::updateAnimationTimingForAnimationFrame(Document& document, double monotonicAnimationStartTime)
+void DocumentAnimations::updateAnimationTimingForAnimationFrame(Document& document, blink::WebFrameTime frameTime)
 {
-    document.animationClock().updateTime(monotonicAnimationStartTime);
+    document.animationClock().updateTime(frameTime);
     updateAnimationTiming(document, TimingUpdateForAnimationFrame);
 }
 
 void DocumentAnimations::updateOutdatedAnimationPlayersIfNeeded(Document& document)
 {
     if (needsOutdatedAnimationPlayerUpdate(document))
         updateAnimationTiming(document, TimingUpdateOnDemand);
 }
 
 void DocumentAnimations::updateAnimationTimingForGetComputedStyle(Node& node, CSSPropertyID property)
@@ skipping 18 matching lines @@
 void DocumentAnimations::startPendingAnimations(Document& document)
 {
     ASSERT(document.lifecycle().state() == DocumentLifecycle::CompositingClean);
     if (document.compositorPendingAnimations().startPendingAnimations()) {
         ASSERT(document.view());
         document.view()->scheduleAnimation();
     }
 }
 
 } // namespace WebCore