Rmoving the notion of task runner from MediaStreamProvider interface.

content/browser/renderer_host/media/audio_input_device_manager_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 "content/browser/renderer_host/media/audio_input_device_manager.h"
 
 #include <stddef.h>
 
 #include <memory>
 #include <string>
@@ skipping 53 matching lines @@
   void SetUp() override {
     base::CommandLine::ForCurrentProcess()->AppendSwitch(
         switches::kUseFakeDeviceForMediaStream);
     audio_manager_ = media::AudioManager::CreateForTesting(
         base::ThreadTaskRunnerHandle::Get());
     // Flush the message loop to ensure proper initialization of AudioManager.
     base::RunLoop().RunUntilIdle();
 
     manager_ = new AudioInputDeviceManager(audio_manager_.get());
     audio_input_listener_.reset(new MockAudioInputDeviceManagerListener());
-    manager_->Register(audio_input_listener_.get(),
-                       audio_manager_->GetTaskRunner());
+    manager_->RegisterListener(audio_input_listener_.get());
 
     // Use fake devices.
     devices_.emplace_back(MEDIA_DEVICE_AUDIO_CAPTURE, "Fake Device 1",
                           "fake_device_1");
     devices_.emplace_back(MEDIA_DEVICE_AUDIO_CAPTURE, "Fake Device 2",
                           "fake_device_2");
 
     // Wait until we get the list.
     base::RunLoop().RunUntilIdle();
   }
 
-  void TearDown() override {
-    manager_->Unregister();
-  }
+  void TearDown() override { manager_->UnregisterListener(); }
 
   TestBrowserThreadBundle thread_bundle_;
   scoped_refptr<AudioInputDeviceManager> manager_;
   std::unique_ptr<MockAudioInputDeviceManagerListener> audio_input_listener_;
   media::ScopedAudioManagerPtr audio_manager_;
   StreamDeviceInfoArray devices_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MAYBE_AudioInputDeviceManagerTest);
 };
@@ skipping 176 matching lines @@
   DCHECK(!info);
 
   manager_->Close(session_id);
   EXPECT_CALL(*audio_input_listener_,
               Closed(MEDIA_DEVICE_AUDIO_CAPTURE, session_id))
       .Times(1);
   base::RunLoop().RunUntilIdle();
 }
 
 }  // namespace content