Replaces instances of the deprecated TimeTicks::HighResNow() with TimeTicks::Now().

content/browser/renderer_host/render_widget_host_impl.h

 // Copyright (c) 2012 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 CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_
 
 #include <deque>
 #include <list>
 #include <map>
@@ skipping 373 matching lines @@
 
   // Requests the renderer to move the caret selection towards the point.
   void MoveCaret(const gfx::Point& point);
 
   // Called when the reponse to a pending mouse lock request has arrived.
   // Returns true if |allowed| is true and the mouse has been successfully
   // locked.
   bool GotResponseToLockMouseRequest(bool allowed);
 
   // Tells the RenderWidget about the latest vsync parameters.
-  // Note: Make sure the timebase was obtained using
-  // base::TimeTicks::HighResNow. Using the non-high res timer will result in
-  // incorrect synchronization across processes.
   virtual void UpdateVSyncParameters(base::TimeTicks timebase,
                                      base::TimeDelta interval);
 
   // Called by the view in response to OnSwapCompositorFrame.
   static void SendSwapCompositorFrameAck(
       int32 route_id,
       uint32 output_surface_id,
       int renderer_host_id,
       const cc::CompositorFrameAck& ack);
 
@@ skipping 422 matching lines @@
   PendingSnapshotMap pending_browser_snapshots_;
 
   base::WeakPtrFactory<RenderWidgetHostImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_