Wire up the output device id and provide an implementation on Windows.

media/audio/audio_output_controller_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 "base/basictypes.h"
 #include "base/bind.h"
 #include "base/environment.h"
 #include "base/logging.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 11 matching lines @@
 using ::testing::Invoke;
 using ::testing::NotNull;
 using ::testing::Return;
 
 namespace media {
 
 static const int kSampleRate = AudioParameters::kAudioCDSampleRate;
 static const int kBitsPerSample = 16;
 static const ChannelLayout kChannelLayout = CHANNEL_LAYOUT_STEREO;
 static const int kSamplesPerPacket = kSampleRate / 100;
-static const int kHardwareBufferSize = kSamplesPerPacket *
-    ChannelLayoutToChannelCount(kChannelLayout) * kBitsPerSample / 8;
 static const double kTestVolume = 0.25;
 
 class MockAudioOutputControllerEventHandler
     : public AudioOutputController::EventHandler {
  public:
   MockAudioOutputControllerEventHandler() {}
 
   MOCK_METHOD0(OnCreated, void());
   MOCK_METHOD0(OnPlaying, void());
   MOCK_METHOD2(OnPowerMeasured, void(float power_dbfs, bool clipped));
@@ skipping 71 matching lines @@
         AudioParameters::AUDIO_FAKE, kChannelLayout,
         kSampleRate, kBitsPerSample, samples_per_packet);
 
     if (params_.IsValid()) {
       EXPECT_CALL(mock_event_handler_, OnCreated())
           .WillOnce(SignalEvent(&create_event_));
     }
 
     controller_ = AudioOutputController::Create(
         audio_manager_.get(), &mock_event_handler_, params_, std::string(),
-        &mock_sync_reader_);
+        std::string(), &mock_sync_reader_);
     if (controller_.get())
       controller_->SetVolume(kTestVolume);
 
     EXPECT_EQ(params_.IsValid(), controller_.get() != NULL);
   }
 
   void Play() {
     // Expect the event handler to receive one OnPlaying() call and one or more
     // OnPowerMeasured() calls.
     EXPECT_CALL(mock_event_handler_, OnPlaying())
@@ skipping 234 matching lines @@
 
 TEST_F(AudioOutputControllerTest, DivertRevertClose) {
   Create(kSamplesPerPacket);
   WaitForCreate();
   DivertNeverPlaying();
   RevertWasNotPlaying();
   Close();
 }
 
 }  // namespace media