content: Use base::MessageLoop.

content/test/webrtc_audio_device_test.cc

Index: content/test/webrtc_audio_device_test.cc
diff --git a/content/test/webrtc_audio_device_test.cc b/content/test/webrtc_audio_device_test.cc
index e37679cb4ee7c1d0e2f513ac51ecf96a09983c89..7bd5b30bbe1c1a892d82dfeb1bfd34ed353f292d 100644
--- a/content/test/webrtc_audio_device_test.cc
+++ b/content/test/webrtc_audio_device_test.cc
@@ -117,7 +117,7 @@ class MockRTCResourceContext : public ResourceContext {
 };
 
 ACTION_P(QuitMessageLoop, loop_or_proxy) {
-  loop_or_proxy->PostTask(FROM_HERE, MessageLoop::QuitClosure());
+  loop_or_proxy->PostTask(FROM_HERE, base::MessageLoop::QuitClosure());
 }
 
 WebRTCAudioDeviceTest::WebRTCAudioDeviceTest()
@@ -135,8 +135,8 @@ void WebRTCAudioDeviceTest::SetUp() {
   saved_content_renderer_.reset(
       new ReplaceContentClientRenderer(&content_renderer_client_));
   mock_process_.reset(new WebRTCMockRenderProcess());
-  ui_thread_.reset(new TestBrowserThread(BrowserThread::UI,
-                                         MessageLoop::current()));
+  ui_thread_.reset(
+      new TestBrowserThread(BrowserThread::UI, base::MessageLoop::current()));
 
   // Construct the resource context on the UI thread.
   resource_context_.reset(new MockRTCResourceContext);
@@ -202,8 +202,8 @@ void WebRTCAudioDeviceTest::InitializeIOThread(const char* thread_name) {
 #endif
 
   // Set the current thread as the IO thread.
-  io_thread_.reset(new TestBrowserThread(BrowserThread::IO,
-                                         MessageLoop::current()));
+  io_thread_.reset(
+      new TestBrowserThread(BrowserThread::IO, base::MessageLoop::current()));
 
   // Populate our resource context.
   test_request_context_.reset(new net::TestURLRequestContext());