Implementation of PostTaskAndReply() in MessageLoopProxy and BrowserThread.

base/message_loop.h

Index: base/message_loop.h
diff --git a/base/message_loop.h b/base/message_loop.h
index 976c5cebca1c4aa153f0d223e121abc8ad2ed3fa..601120fe99aa8d211348d88bec4bfd272e442cc2 100644
--- a/base/message_loop.h
+++ b/base/message_loop.h
@@ -272,7 +272,7 @@ class BASE_EXPORT MessageLoop : public base::MessagePump::Delegate {
   }
   const std::string& thread_name() const { return thread_name_; }
 
-  // Gets the message loop proxy associated with this message loop proxy
+  // Gets the message loop proxy associated with this message loop.
   scoped_refptr<base::MessageLoopProxy> message_loop_proxy() {
     return message_loop_proxy_.get();
   }