Some easy conversions of scoped_ptr -> std::unique_ptr in the EDK.

mojo/edk/system/data_pipe.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_DATA_PIPE_H_
 #define MOJO_EDK_SYSTEM_DATA_PIPE_H_
 
 #include <stdint.h>
 
+#include <memory>
+
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "mojo/edk/embedder/platform_handle_vector.h"
 #include "mojo/edk/system/channel_endpoint_client.h"
 #include "mojo/edk/system/handle_signals_state.h"
 #include "mojo/edk/system/memory.h"
 #include "mojo/edk/system/mutex.h"
 #include "mojo/edk/system/system_impl_export.h"
 #include "mojo/edk/system/thread_annotations.h"
 #include "mojo/public/c/system/data_pipe.h"
@@ skipping 243 matching lines @@
   }
 
   MSVC_SUPPRESS_WARNING(4324)
   const MojoCreateDataPipeOptions validated_options_;
 
   mutable Mutex mutex_;
   // *Known* state of producer or consumer.
   bool producer_open_ MOJO_GUARDED_BY(mutex_);
   bool consumer_open_ MOJO_GUARDED_BY(mutex_);
   // Non-null only if the producer or consumer, respectively, is local.
-  scoped_ptr<AwakableList> producer_awakable_list_ MOJO_GUARDED_BY(mutex_);
-  scoped_ptr<AwakableList> consumer_awakable_list_ MOJO_GUARDED_BY(mutex_);
+  std::unique_ptr<AwakableList> producer_awakable_list_ MOJO_GUARDED_BY(mutex_);
+  std::unique_ptr<AwakableList> consumer_awakable_list_ MOJO_GUARDED_BY(mutex_);
   // These are nonzero if and only if a two-phase write/read is in progress.
   uint32_t producer_two_phase_max_num_bytes_written_ MOJO_GUARDED_BY(mutex_);
   uint32_t consumer_two_phase_max_num_bytes_read_ MOJO_GUARDED_BY(mutex_);
   scoped_ptr<DataPipeImpl> impl_ MOJO_GUARDED_BY(mutex_);
 
   MOJO_DISALLOW_COPY_AND_ASSIGN(DataPipe);
 };
 
 }  // namespace system
 }  // namespace mojo
 
 #endif  // MOJO_EDK_SYSTEM_DATA_PIPE_H_