Salient parts of http://codereview.chromium.org/8392042/

content/browser/renderer_host/media/audio_input_device_manager_unittest.cc

 // Copyright (c) 2011 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 <string>
 
 #include "base/bind.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
-#include "content/browser/browser_thread.h"
 #include "content/browser/renderer_host/media/audio_input_device_manager.h"
 #include "content/browser/renderer_host/media/audio_input_device_manager_event_handler.h"
+#include "content/test/test_browser_thread.h"
 #include "media/audio/audio_manager.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using ::testing::_;
 using ::testing::AnyNumber;
 using ::testing::InSequence;
 using ::testing::Return;
 
 namespace media_stream {
@@ skipping 55 matching lines @@
   AudioInputDeviceManagerTest()
       : message_loop_(),
         io_thread_(),
         manager_(),
         audio_input_listener_() {}
 
  protected:
   virtual void SetUp() {
     // The test must run on Browser::IO.
     message_loop_.reset(new MessageLoop(MessageLoop::TYPE_IO));
-    io_thread_.reset(new BrowserThread(BrowserThread::IO, message_loop_.get()));
+    io_thread_.reset(new content::TestBrowserThread(BrowserThread::IO,
+                                                    message_loop_.get()));
     manager_.reset(new media_stream::AudioInputDeviceManager());
     audio_input_listener_.reset(new MockAudioInputDeviceManagerListener());
     manager_->Register(audio_input_listener_.get());
 
     // Get the enumerated device list from the AudioInputDeviceManager.
     manager_->EnumerateDevices();
     EXPECT_CALL(*audio_input_listener_, DevicesEnumerated(_))
         .Times(1);
     // Sync up the threads to make sure we get the list.
     SyncWithAudioInputDeviceManagerThread();
@@ skipping 21 matching lines @@
   // pending task in message_loop_ on the current thread.
   void SyncWithAudioInputDeviceManagerThread() {
     message_loop_->PostTask(
         FROM_HERE,
         base::Bind(&PostQuitOnAudioInputDeviceManagerThread,
                    message_loop_.get(),
                    manager_.get()));
     message_loop_->Run();
   }
   scoped_ptr<MessageLoop> message_loop_;
-  scoped_ptr<BrowserThread> io_thread_;
+  scoped_ptr<content::TestBrowserThread> io_thread_;
   scoped_ptr<AudioInputDeviceManager> manager_;
   scoped_ptr<MockAudioInputDeviceManagerListener> audio_input_listener_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(AudioInputDeviceManagerTest);
 };
 
 // Test the devices can be opened and closed.
 TEST_F(AudioInputDeviceManagerTest, OpenAndCloseDevice) {
   if (!CanRunAudioInputDeviceTests())
@@ skipping 247 matching lines @@
               OnDeviceStarted(second_session_id, 0))
       .Times(1);
   EXPECT_CALL(*audio_input_listener_, Closed(kAudioCapture, first_session_id))
       .Times(1);
   EXPECT_CALL(*audio_input_listener_, Closed(kAudioCapture, second_session_id))
       .Times(1);
   SyncWithAudioInputDeviceManagerThread();
 }
 
 }  // namespace media_stream