Move remaining content test code into the content namespace.

content/test/webrtc_audio_device_test.h

Index: content/test/webrtc_audio_device_test.h
===================================================================
--- content/test/webrtc_audio_device_test.h	(revision 164732)
+++ content/test/webrtc_audio_device_test.h	(working copy)
@@ -159,14 +159,14 @@
 
   scoped_ptr<ReplaceContentClientRenderer> saved_content_renderer_;
   MessageLoopForUI message_loop_;
-  content::ContentRendererClient content_renderer_client_;
+  ContentRendererClient content_renderer_client_;
   RenderThreadImpl* render_thread_;  // Owned by mock_process_.
   scoped_ptr<WebRTCMockRenderProcess> mock_process_;
   scoped_ptr<MockMediaObserver> media_observer_;
   scoped_ptr<MediaStreamManager> media_stream_manager_;
   scoped_ptr<media::AudioManager> audio_manager_;
   scoped_ptr<net::URLRequestContext> test_request_context_;
-  scoped_ptr<content::ResourceContext> resource_context_;
+  scoped_ptr<ResourceContext> resource_context_;
   scoped_ptr<IPC::Channel> channel_;
   scoped_refptr<AudioRendererHost> audio_render_host_;
   scoped_refptr<AudioInputRendererHost> audio_input_renderer_host_;
@@ -174,9 +174,9 @@
   AudioUtilInterface* audio_util_callback_;  // Weak reference.
 
   // Initialized on the main test thread that we mark as the UI thread.
-  scoped_ptr<content::TestBrowserThread> ui_thread_;
+  scoped_ptr<TestBrowserThread> ui_thread_;
   // Initialized on our IO thread to satisfy BrowserThread::IO checks.
-  scoped_ptr<content::TestBrowserThread> io_thread_;
+  scoped_ptr<TestBrowserThread> io_thread_;
 
 #if defined(OS_WIN)
   // COM initialization on the IO thread.