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

mojo/edk/system/channel_manager.cc

 // Copyright 2014 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/channel_manager.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "mojo/edk/system/channel.h"
 #include "mojo/edk/system/channel_endpoint.h"
 #include "mojo/edk/system/message_pipe_dispatcher.h"
 
-using mojo::embedder::ScopedPlatformHandle;
+using mojo::platform::ScopedPlatformHandle;
 using mojo::platform::TaskRunner;
 using mojo::util::MakeRefCounted;
 using mojo::util::MutexLocker;
 using mojo::util::RefPtr;
 
 namespace mojo {
 namespace system {
 
 namespace {
 
@@ skipping 176 matching lines @@
   CreateChannelOnIOThreadHelper(channel_id, platform_handle.Pass(),
                                 std::move(bootstrap_channel_endpoint));
   if (callback_thread_task_runner)
     callback_thread_task_runner->PostTask(callback);
   else
     callback.Run();
 }
 
 }  // namespace system
 }  // namespace mojo