Provision to start base::SimpleTestTickClock at initial ticks

media/renderers/renderer_impl_unittest.cc

 // 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.
 
 #include <stdint.h>
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/macros.h"
@@ skipping 41 matching lines @@
     MOCK_METHOD1(OnError, void(PipelineStatus));
     MOCK_METHOD1(OnUpdateStatistics, void(const PipelineStatistics&));
     MOCK_METHOD1(OnBufferingStateChange, void(BufferingState));
     MOCK_METHOD0(OnWaitingForDecryptionKey, void());
 
    private:
     DISALLOW_COPY_AND_ASSIGN(CallbackHelper);
   };
 
   RendererImplTest()
-      : demuxer_(new StrictMock<MockDemuxer>()),
+      : test_tick_clock_(base::TimeTicks()),
+        demuxer_(new StrictMock<MockDemuxer>()),
         video_renderer_(new StrictMock<MockVideoRenderer>()),
         audio_renderer_(new StrictMock<MockAudioRenderer>()),
         renderer_impl_(
             new RendererImpl(message_loop_.task_runner(),
                              scoped_ptr<AudioRenderer>(audio_renderer_),
                              scoped_ptr<VideoRenderer>(video_renderer_))) {
     // SetDemuxerExpectations() adds overriding expectations for expected
     // non-NULL streams.
     DemuxerStream* null_pointer = NULL;
     EXPECT_CALL(*demuxer_, GetStream(_))
@@ skipping 526 matching lines @@
       .WillOnce(
           SetBufferingState(&audio_buffering_state_cb_, BUFFERING_HAVE_ENOUGH));
   EXPECT_CALL(*video_renderer_, StartPlayingFrom(kStartTime));
   renderer_impl_->StartPlayingFrom(kStartTime);
 
   // Nothing else should primed on the message loop.
   base::RunLoop().RunUntilIdle();
 }
 
 }  // namespace media