Removing the use of base::Time inside the LayerTreeHost system.

cc/trees/layer_tree_host.h

 // Copyright 2011 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.
 
 #ifndef CC_TREES_LAYER_TREE_HOST_H_
 #define CC_TREES_LAYER_TREE_HOST_H_
 
 #include <limits>
 #include <list>
 #include <set>
@@ skipping 167 matching lines @@
   void SetNeedsRedraw();
   void SetNeedsRedrawRect(const gfx::Rect& damage_rect);
   bool CommitRequested() const;
   bool BeginMainFrameRequested() const;
 
   void SetNextCommitWaitsForActivation();
 
   void SetNextCommitForcesRedraw();
 
   void SetAnimationEvents(scoped_ptr<AnimationEventsVector> events,
-                          base::Time wall_clock_time);
+                          base::TimeTicks clock_time);
 
   void SetRootLayer(scoped_refptr<Layer> root_layer);
   Layer* root_layer() { return root_layer_.get(); }
   const Layer* root_layer() const { return root_layer_.get(); }
   const Layer* page_scale_layer() const { return page_scale_layer_.get(); }
   void RegisterViewportLayers(
       scoped_refptr<Layer> page_scale_layer,
       scoped_refptr<Layer> inner_viewport_scroll_layer,
       scoped_refptr<Layer> outer_viewport_scroll_layer);
   Layer* inner_viewport_scroll_layer() const {
@@ skipping 261 matching lines @@
 
   ScopedPtrVector<SwapPromise> swap_promise_list_;
   std::set<SwapPromiseMonitor*> swap_promise_monitor_;
 
   DISALLOW_COPY_AND_ASSIGN(LayerTreeHost);
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_LAYER_TREE_HOST_H_