Refactor VideoRendererImpl to use VideoFrameScheduler.

media/base/test_helpers.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 MEDIA_BASE_TEST_HELPERS_H_
 #define MEDIA_BASE_TEST_HELPERS_H_
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "media/base/channel_layout.h"
 #include "media/base/pipeline_status.h"
 #include "media/base/sample_format.h"
 #include "media/base/video_decoder_config.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "ui/gfx/size.h"
 
 namespace base {
 class MessageLoop;
 class TimeDelta;
+class TimeTicks;
+
+// Gtest pretty printers for commonly used types in media tests.
+void PrintTo(const TimeDelta& time_delta, std::ostream* os);
+void PrintTo(const TimeTicks& time_ticks, std::ostream* os);
 }
 
 namespace media {
 
 class AudioBuffer;
 class DecoderBuffer;
 
 // Return a callback that expects to be run once.
 base::Closure NewExpectedClosure();
 PipelineStatusCB NewExpectedStatusCB(PipelineStatus status);
@@ skipping 100 matching lines @@
     base::TimeDelta timestamp,
     base::TimeDelta duration);
 
 // Verify if a fake video DecoderBuffer is valid.
 bool VerifyFakeVideoBufferForTest(const scoped_refptr<DecoderBuffer>& buffer,
                                   const VideoDecoderConfig& config);
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_TEST_HELPERS_H_