EDK: Convert remaining scoped_ptr -> std::unique_ptr in //mojo/edk/system.

mojo/edk/system/local_message_pipe_endpoint.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "mojo/edk/system/local_message_pipe_endpoint.h"
 
 #include <string.h>
 
+#include <utility>
+
 #include "base/logging.h"
 #include "mojo/edk/system/dispatcher.h"
 #include "mojo/edk/system/message_in_transit.h"
 
 namespace mojo {
 namespace system {
 
 LocalMessagePipeEndpoint::LocalMessagePipeEndpoint(
     MessageInTransitQueue* message_queue)
     : is_open_(true), is_peer_open_(true) {
@@ skipping 18 matching lines @@
   is_peer_open_ = false;
   HandleSignalsState new_state = GetHandleSignalsState();
 
   if (!new_state.equals(old_state))
     awakable_list_.AwakeForStateChange(new_state);
 
   return true;
 }
 
 void LocalMessagePipeEndpoint::EnqueueMessage(
-    scoped_ptr<MessageInTransit> message) {
+    std::unique_ptr<MessageInTransit> message) {
   DCHECK(is_open_);
   DCHECK(is_peer_open_);
 
   bool was_empty = message_queue_.IsEmpty();
-  message_queue_.AddMessage(message.Pass());
+  message_queue_.AddMessage(std::move(message));
   if (was_empty)
     awakable_list_.AwakeForStateChange(GetHandleSignalsState());
 }
 
 void LocalMessagePipeEndpoint::Close() {
   DCHECK(is_open_);
   is_open_ = false;
   message_queue_.Clear();
 }
 
@@ skipping 111 matching lines @@
     Awakable* awakable,
     HandleSignalsState* signals_state) {
   DCHECK(is_open_);
   awakable_list_.Remove(awakable);
   if (signals_state)
     *signals_state = GetHandleSignalsState();
 }
 
 }  // namespace system
 }  // namespace mojo