EDK: Move {platform_handle,scoped_platform_handle}.* to //mojo/edk/platform.

mojo/edk/system/message_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_MESSAGE_PIPE_H_
 #define MOJO_EDK_SYSTEM_MESSAGE_PIPE_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <memory>
 #include <vector>
 
-#include "mojo/edk/embedder/scoped_platform_handle.h"
+#include "mojo/edk/platform/scoped_platform_handle.h"
 #include "mojo/edk/system/channel_endpoint_client.h"
 #include "mojo/edk/system/dispatcher.h"
 #include "mojo/edk/system/handle_signals_state.h"
 #include "mojo/edk/system/memory.h"
 #include "mojo/edk/system/message_in_transit.h"
 #include "mojo/edk/system/message_pipe_endpoint.h"
 #include "mojo/edk/util/mutex.h"
 #include "mojo/edk/util/ref_ptr.h"
 #include "mojo/edk/util/thread_annotations.h"
 #include "mojo/public/c/system/message_pipe.h"
@@ skipping 82 matching lines @@
                       HandleSignalsState* signals_state);
   void StartSerialize(unsigned port,
                       Channel* channel,
                       size_t* max_size,
                       size_t* max_platform_handles);
   bool EndSerialize(
       unsigned port,
       Channel* channel,
       void* destination,
       size_t* actual_size,
-      std::vector<embedder::ScopedPlatformHandle>* platform_handles);
+      std::vector<platform::ScopedPlatformHandle>* platform_handles);
 
   // |ChannelEndpointClient| methods:
   bool OnReadMessage(unsigned port, MessageInTransit* message) override;
   void OnDetachFromChannel(unsigned port) override;
 
  private:
   MessagePipe();
   ~MessagePipe() override;
 
   // This is used internally by |WriteMessage()| and by |OnReadMessage()|.
@@ skipping 14 matching lines @@
   mutable util::Mutex mutex_;
   std::unique_ptr<MessagePipeEndpoint> endpoints_[2] MOJO_GUARDED_BY(mutex_);
 
   MOJO_DISALLOW_COPY_AND_ASSIGN(MessagePipe);
 };
 
 }  // namespace system
 }  // namespace mojo
 
 #endif  // MOJO_EDK_SYSTEM_MESSAGE_PIPE_H_