media::SilentSinkSuspender should simulate |delay| and |delay_timestamp|

media/base/audio_renderer_mixer_input_unittest.cc

 // 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.
 
 #include <stddef.h>
 #include <memory>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/macros.h"
@@ skipping 25 matching lines @@
 
 class AudioRendererMixerInputTest : public testing::Test,
                                     AudioRendererMixerPool {
  public:
   AudioRendererMixerInputTest() {
     audio_parameters_ = AudioParameters(
         AudioParameters::AUDIO_PCM_LINEAR, kChannelLayout, kSampleRate,
         kBitsPerChannel, kBufferSize);
 
     CreateMixerInput(kDefaultDeviceId);
-    fake_callback_.reset(new FakeAudioRenderCallback(0));
+    fake_callback_.reset(new FakeAudioRenderCallback(0, kSampleRate));
     audio_bus_ = AudioBus::Create(audio_parameters_);
   }
 
   void CreateMixerInput(const std::string& device_id) {
     mixer_input_ = new AudioRendererMixerInput(this, kRenderFrameId, device_id,
                                                url::Origin(),
                                                AudioLatency::LATENCY_PLAYBACK);
   }
 
   AudioRendererMixer* GetMixer(int owner_id,
@@ skipping 340 matching lines @@
       base::Bind(&AudioRendererMixerInputTest::SwitchCallback,
                  base::Unretained(this), &run_loop));
   run_loop.Run();
 
   mixer_input_->Initialize(audio_parameters_, fake_callback_.get());
   mixer_input_->Start();
   mixer_input_->Stop();
 }
 
 }  // namespace media