Creating utility for converting TimeTicks to WebKit double and use it in the Chrome compositor.

webkit/renderer/compositor_bindings/web_to_cc_animation_delegate_adapter.cc

 // Copyright 2013 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_to_cc_animation_delegate_adapter.h"
 
 #include "third_party/WebKit/public/platform/WebAnimationDelegate.h"
+#include "webkit/renderer/compositor_bindings/webkit_time.h"
 
 namespace webkit {
 
 WebToCCAnimationDelegateAdapter::WebToCCAnimationDelegateAdapter(
     blink::WebAnimationDelegate* delegate)
     : delegate_(delegate) {}
 
 void WebToCCAnimationDelegateAdapter::NotifyAnimationStarted(
     base::TimeTicks monotonic_time,
     cc::Animation::TargetProperty target_property) {
   delegate_->notifyAnimationStarted(
-      (monotonic_time - base::TimeTicks()).InSecondsF(),

[jamesr, 2014/03/10 20:37:28]

what's wrong with this?

+      ToWebKitTime(monotonic_time),
       static_cast<blink::WebAnimation::TargetProperty>(target_property));
 }
 
 void WebToCCAnimationDelegateAdapter::NotifyAnimationFinished(
     base::TimeTicks monotonic_time,
     cc::Animation::TargetProperty target_property) {
   delegate_->notifyAnimationFinished(
-      (monotonic_time - base::TimeTicks()).InSecondsF(),
+      ToWebKitTime(monotonic_time),
       static_cast<blink::WebAnimation::TargetProperty>(target_property));
 }
 
 }  // namespace webkit