Mojo: Add/use |typedef std::vector<scoped_refptr<Dispatcher> > DispatcherVector.

mojo/system/message_pipe_endpoint.h

Index: mojo/system/message_pipe_endpoint.h
diff --git a/mojo/system/message_pipe_endpoint.h b/mojo/system/message_pipe_endpoint.h
index d14c58a6274f3a4ac2eefbb0311ac4c9ad7c1064..46a67e17f1ad37813073808c43761fda7c564b6c 100644
--- a/mojo/system/message_pipe_endpoint.h
+++ b/mojo/system/message_pipe_endpoint.h
@@ -60,11 +60,11 @@ class MOJO_SYSTEM_IMPL_EXPORT MessagePipeEndpoint {
   // operation involves both endpoints.
   virtual void Close();
   virtual void CancelAllWaiters();
-  virtual MojoResult ReadMessage(
-      void* bytes, uint32_t* num_bytes,
-      std::vector<scoped_refptr<Dispatcher> >* dispatchers,
-      uint32_t* num_dispatchers,
-      MojoReadMessageFlags flags);
+  virtual MojoResult ReadMessage(void* bytes,
+                                 uint32_t* num_bytes,
+                                 DispatcherVector* dispatchers,
+                                 uint32_t* num_dispatchers,
+                                 MojoReadMessageFlags flags);
   virtual MojoResult AddWaiter(Waiter* waiter,
                                MojoWaitFlags flags,
                                MojoResult wake_result);