CC::Animations should use TimeTicks & TimeDelta to represent time

cc/layers/layer.cc

 // Copyright 2010 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 "cc/layers/layer.h"
 
 #include <algorithm>
 
 #include "base/debug/trace_event.h"
 #include "base/location.h"
 #include "base/metrics/histogram.h"
 #include "base/single_thread_task_runner.h"
+#include "base/time/time.h"
 #include "cc/animation/animation.h"
 #include "cc/animation/animation_events.h"
 #include "cc/animation/keyframed_animation_curve.h"
 #include "cc/animation/layer_animation_controller.h"
 #include "cc/layers/layer_client.h"
 #include "cc/layers/layer_impl.h"
 #include "cc/layers/scrollbar_layer_interface.h"
 #include "cc/output/copy_output_request.h"
 #include "cc/output/copy_output_result.h"
 #include "cc/trees/layer_tree_host.h"
@@ skipping 1082 matching lines @@
     return false;
 
   UMA_HISTOGRAM_BOOLEAN("Renderer.AnimationAddedToOrphanLayer",
                         !layer_tree_host_);
   layer_animation_controller_->AddAnimation(animation.Pass());
   SetNeedsCommit();
   return true;
 }
 
 void Layer::PauseAnimation(int animation_id, double time_offset) {
-  layer_animation_controller_->PauseAnimation(animation_id, time_offset);
+  layer_animation_controller_->PauseAnimation(
+      animation_id, base::TimeDelta::FromSecondsD(time_offset));
   SetNeedsCommit();
 }
 
 void Layer::RemoveAnimation(int animation_id) {
   layer_animation_controller_->RemoveAnimation(animation_id);
   SetNeedsCommit();
 }
 
 void Layer::SetLayerAnimationControllerForTest(
     scoped_refptr<LayerAnimationController> controller) {
@@ skipping 58 matching lines @@
   if (clip_parent_)
     clip_parent_->RemoveClipChild(this);
 
   clip_parent_ = NULL;
 }
 
 void Layer::RunMicroBenchmark(MicroBenchmark* benchmark) {
   benchmark->RunOnLayer(this);
 }
 }  // namespace cc