Mojo EDK: Never notify own watchers within public API calls

mojo/edk/system/message_pipe_dispatcher.cc

Index: mojo/edk/system/message_pipe_dispatcher.cc
diff --git a/mojo/edk/system/message_pipe_dispatcher.cc b/mojo/edk/system/message_pipe_dispatcher.cc
index 0fe2c8b7687ea6ac449f21189cc15fc4228ecad8..f27336b56f4d074a0e5e32ec2a592fcccff363a3 100644
--- a/mojo/edk/system/message_pipe_dispatcher.cc
+++ b/mojo/edk/system/message_pipe_dispatcher.cc
@@ -249,8 +249,6 @@ MojoResult MessagePipeDispatcher::WriteMessage(
         rv == ports::ERROR_PORT_CANNOT_SEND_PEER) {
       return MOJO_RESULT_INVALID_ARGUMENT;
     } else if (rv == ports::ERROR_PORT_PEER_CLOSED) {
-      base::AutoLock lock(signal_lock_);
-      awakables_.AwakeForStateChange(GetHandleSignalsStateNoLock());
       return MOJO_RESULT_FAILED_PRECONDITION;
     }
 
@@ -315,8 +313,6 @@ MojoResult MessagePipeDispatcher::ReadMessage(
 
     // Peer is closed and there are no more messages to read.
     DCHECK_EQ(rv, ports::ERROR_PORT_PEER_CLOSED);
-    base::AutoLock lock(signal_lock_);
-    awakables_.AwakeForStateChange(GetHandleSignalsStateNoLock());
     return MOJO_RESULT_FAILED_PRECONDITION;
   }