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

mojo/edk/system/channel.h

 // 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.
 
 #ifndef MOJO_EDK_SYSTEM_CHANNEL_H_
 #define MOJO_EDK_SYSTEM_CHANNEL_H_
 
 #include <stdint.h>
 
 #include <memory>
 
 #include "base/containers/hash_tables.h"
 #include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/threading/thread_checker.h"
 #include "mojo/edk/embedder/scoped_platform_handle.h"
 #include "mojo/edk/system/channel_endpoint.h"
 #include "mojo/edk/system/channel_endpoint_id.h"
 #include "mojo/edk/system/incoming_endpoint.h"
 #include "mojo/edk/system/message_in_transit.h"
 #include "mojo/edk/system/mutex.h"
 #include "mojo/edk/system/raw_channel.h"
 #include "mojo/edk/system/system_impl_export.h"
 #include "mojo/public/c/system/types.h"
@@ skipping 69 matching lines @@
   // remote IDs.
   //
   // (Bootstrapping is still symmetric, though the sides should obviously
   // interchange local and remote IDs. This can be used to allow multiple
   // "bootstrap" endpoints, though this is really most useful for testing.)
   void SetBootstrapEndpointWithIds(scoped_refptr<ChannelEndpoint> endpoint,
                                    ChannelEndpointId local_id,
                                    ChannelEndpointId remote_id);
 
   // This forwards |message| verbatim to |raw_channel_|.
-  bool WriteMessage(scoped_ptr<MessageInTransit> message);
+  bool WriteMessage(std::unique_ptr<MessageInTransit> message);
 
   // See |RawChannel::IsWriteBufferEmpty()|.
   // TODO(vtl): Maybe we shouldn't expose this, and instead have a
   // |FlushWriteBufferAndShutdown()| or something like that.
   bool IsWriteBufferEmpty();
 
   // Removes the given endpoint from this channel (|local_id| and |remote_id|
   // are specified as an optimization; the latter should be an invalid
   // |ChannelEndpointId| if the endpoint is not yet running). Note: If this is
   // called, the |Channel| will *not* call
@@ skipping 159 matching lines @@
   // if/when we wrap).
   RemoteChannelEndpointIdGenerator remote_id_generator_ MOJO_GUARDED_BY(mutex_);
 
   MOJO_DISALLOW_COPY_AND_ASSIGN(Channel);
 };
 
 }  // namespace system
 }  // namespace mojo
 
 #endif  // MOJO_EDK_SYSTEM_CHANNEL_H_