Minor cleanup to remove the static thread-safe methods on BrowserMainLoop. Initially I thought this…

content/browser/renderer_host/media/media_stream_dispatcher_host_unittest.cc

Index: content/browser/renderer_host/media/media_stream_dispatcher_host_unittest.cc
===================================================================
--- content/browser/renderer_host/media/media_stream_dispatcher_host_unittest.cc	(revision 207505)
+++ content/browser/renderer_host/media/media_stream_dispatcher_host_unittest.cc	(working copy)
@@ -41,9 +41,8 @@
  public:
   MockMediaStreamDispatcherHost(base::MessageLoop* message_loop,
                                 MediaStreamManager* manager)
-      : MediaStreamDispatcherHost(kProcessId),
-        message_loop_(message_loop),
-        manager_(manager) {}
+      : MediaStreamDispatcherHost(kProcessId, manager),
+        message_loop_(message_loop) {}
 
   // A list of mock methods.
   MOCK_METHOD4(OnStreamGenerated,
@@ -95,11 +94,6 @@
     return true;
   }
 
-  // Use our own MediaStreamManager.
-  virtual MediaStreamManager* GetManager() OVERRIDE {
-    return manager_;
-  }
-
   // These handler methods do minimal things and delegate to the mock methods.
   void OnStreamGenerated(
       const IPC::Message& msg,
@@ -123,7 +117,6 @@
   }
 
   base::MessageLoop* message_loop_;
-  MediaStreamManager* manager_;
 };
 
 class MockMediaStreamUIProxy : public FakeMediaStreamUIProxy {