Remove GetAudioManager and GetMediaStreamManager from ResourceContext. The reason is the content mo…

content/test/webrtc_audio_device_test.cc

Index: content/test/webrtc_audio_device_test.cc
===================================================================
--- content/test/webrtc_audio_device_test.cc	(revision 122828)
+++ content/test/webrtc_audio_device_test.cc	(working copy)
@@ -169,10 +169,6 @@
   resource_context_->set_request_context(test_request_context_.get());
   media_observer_.reset(new MockMediaObserver());
   resource_context_->set_media_observer(media_observer_.get());
-  media_stream_manager_.reset(new media_stream::MediaStreamManager(
-      audio_manager_.get()));
-  resource_context_->set_media_stream_manager(media_stream_manager_.get());
-  resource_context_->set_audio_manager(audio_manager_.get());
 
   // Create an IPC channel that handles incoming messages on the IO thread.
   CreateChannel(thread_name);
@@ -180,7 +176,6 @@
 
 void WebRTCAudioDeviceTest::UninitializeIOThread() {
   resource_context_.reset();
-  media_stream_manager_.reset();
 
   audio_manager_.reset();
   test_request_context_ = NULL;