CL for perf tryjob on linux

media/base/time_source.h

 // Copyright 2014 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 MEDIA_BASE_TIME_SOURCE_H_
 #define MEDIA_BASE_TIME_SOURCE_H_
 
 #include <vector>
 
 #include "base/callback.h"
@@ skipping 29 matching lines @@
   // Sets the media time to start ticking from. Only valid to call while the
   // time source is not ticking.
   virtual void SetMediaTime(base::TimeDelta time) = 0;
 
   // Returns the current media timestamp relative to the timestamp set by
   // SetMediaTime().
   //
   // Values returned are intended for informational purposes, such as displaying
   // UI with the current minute and second count. While it is guaranteed values
   // will never go backwards, the frequency at which they update may be low.
-  virtual base::TimeDelta CurrentMediaTime() = 0;
+  virtual base::TimeDelta CurrentMediaTime(base::TimeTicks* reference) = 0;
 
   // Converts a vector of media timestamps into a vector of wall clock times; if
   // the media time is stopped, returns false, otherwise returns true. Even if
   // time is stopped, timestamps will be converted.
   //
   // Passing an empty |media_timestamps| vector will return the last known media
   // time as a wall clock time.
   //
   // Within a single call to GetWallClockTimes() the returned wall clock times
   // are a strictly increasing function of the given media times. There is no
@@ skipping 13 matching lines @@
   // guarantee is that the returned time will be less than the current wall
   // clock time.
   virtual bool GetWallClockTimes(
       const std::vector<base::TimeDelta>& media_timestamps,
       std::vector<base::TimeTicks>* wall_clock_times) = 0;
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_TIME_SOURCE_H_