Mojo interfaces needed for switching audio rendering stream creation and closing from IPC to Mojo

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 <stdint.h>
 
 #include "base/bind.h"
 #include "base/environment.h"
 #include "base/logging.h"
 #include "base/macros.h"
@@ skipping 21 matching lines @@
 static const int kBitsPerSample = 16;
 static const ChannelLayout kChannelLayout = CHANNEL_LAYOUT_STEREO;
 static const int kSamplesPerPacket = kSampleRate / 100;
 static const double kTestVolume = 0.25;
 
 class MockAudioOutputControllerEventHandler
     : public AudioOutputController::EventHandler {
  public:
   MockAudioOutputControllerEventHandler() {}
 
-  MOCK_METHOD0(OnCreated, void());
+  MOCK_METHOD1(
+      OnCreated,
+      void(const interfaces::AudioOutput::CreateStreamCallback& callback));
   MOCK_METHOD0(OnPlaying, void());
   MOCK_METHOD0(OnPaused, void());
   MOCK_METHOD0(OnError, void());
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MockAudioOutputControllerEventHandler);
 };
 
 class MockAudioOutputControllerSyncReader
     : public AudioOutputController::SyncReader {
@@ skipping 53 matching lines @@
  protected:
   void Create(int samples_per_packet) {
     EXPECT_FALSE(create_event_.IsSignaled());
     EXPECT_FALSE(play_event_.IsSignaled());
     EXPECT_FALSE(read_event_.IsSignaled());
     EXPECT_FALSE(pause_event_.IsSignaled());
 
     params_ = AudioParameters(
         AudioParameters::AUDIO_FAKE, kChannelLayout,
         kSampleRate, kBitsPerSample, samples_per_packet);
-
+    interfaces::AudioOutput::CreateStreamCallback callback;
     if (params_.IsValid()) {
-      EXPECT_CALL(mock_event_handler_, OnCreated())
+      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_);
+        &mock_sync_reader_, callback);
     if (controller_.get())
       controller_->SetVolume(kTestVolume);
 
     EXPECT_EQ(params_.IsValid(), controller_.get() != NULL);
   }
 
   void Play() {
     // Expect the event handler to receive one OnPlaying() call.
     EXPECT_CALL(mock_event_handler_, OnPlaying())
         .WillOnce(SignalEvent(&play_event_));
@@ skipping 270 matching lines @@
 
 TEST_F(AudioOutputControllerTest, DivertRevertClose) {
   Create(kSamplesPerPacket);
   WaitForCreate();
   DivertNeverPlaying();
   RevertWasNotPlaying();
   Close();
 }
 
 }  // namespace media