Changed name of MediaStreamImpl to UserMediaClientImpl.

content/renderer/render_frame_impl.cc

Index: content/renderer/render_frame_impl.cc
diff --git a/content/renderer/render_frame_impl.cc b/content/renderer/render_frame_impl.cc
index fbf3ce43f5328d4d8c79f65694d86ba37a1322a1..062c9b1fc502097945d30a044a81d7f9ef055221 100644
--- a/content/renderer/render_frame_impl.cc
+++ b/content/renderer/render_frame_impl.cc
@@ -68,10 +68,10 @@
 #include "content/renderer/media/audio_renderer_mixer_manager.h"
 #include "content/renderer/media/crypto/encrypted_media_player_support_impl.h"
 #include "content/renderer/media/media_stream_dispatcher.h"
-#include "content/renderer/media/media_stream_impl.h"
 #include "content/renderer/media/media_stream_renderer_factory.h"
 #include "content/renderer/media/midi_dispatcher.h"
 #include "content/renderer/media/render_media_log.h"
+#include "content/renderer/media/user_media_client_impl.h"
 #include "content/renderer/media/webcontentdecryptionmodule_impl.h"
 #include "content/renderer/media/webmediaplayer_impl.h"
 #include "content/renderer/media/webmediaplayer_ms.h"
@@ -3754,7 +3754,7 @@ void RenderFrameImpl::InitializeUserMediaClient() {
 
 #if defined(ENABLE_WEBRTC)
   DCHECK(!web_user_media_client_);
-  web_user_media_client_ = new MediaStreamImpl(
+  web_user_media_client_ = new UserMediaClientImpl(
       this,
       RenderThreadImpl::current()->GetPeerConnectionDependencyFactory(),
       make_scoped_ptr(new MediaStreamDispatcher(this)).Pass());