Mojo: Move mojo/system/embedder to mojo/embedder.

mojo/system/remote_message_pipe_unittest.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 <stdint.h>
 #include <string.h>
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "base/threading/platform_thread.h"  // For |Sleep()|.
+#include "mojo/embedder/platform_channel_pair.h"
+#include "mojo/embedder/scoped_platform_handle.h"
 #include "mojo/system/channel.h"
-#include "mojo/system/embedder/platform_channel_pair.h"
-#include "mojo/system/embedder/scoped_platform_handle.h"
 #include "mojo/system/local_message_pipe_endpoint.h"
 #include "mojo/system/message_pipe.h"
 #include "mojo/system/message_pipe_dispatcher.h"
 #include "mojo/system/proxy_message_pipe_endpoint.h"
 #include "mojo/system/test_utils.h"
 #include "mojo/system/waiter.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace mojo {
 namespace system {
@@ skipping 555 matching lines @@
 
     mp1->Close(1);
 
     RestoreInitialState();
   }
 }
 
 }  // namespace
 }  // namespace system
 }  // namespace mojo