Move //mojo/shell to //shell

shell/domain_socket/completion_callback.h

 // Copyright (c) 2012 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_SHELL_DOMAIN_SOCKET_COMPLETION_CALLBACK_H__
-#define MOJO_SHELL_DOMAIN_SOCKET_COMPLETION_CALLBACK_H__
+#ifndef SHELL_DOMAIN_SOCKET_COMPLETION_CALLBACK_H__
+#define SHELL_DOMAIN_SOCKET_COMPLETION_CALLBACK_H__
 
 #include "base/callback.h"
 #include "base/cancelable_callback.h"
 
 namespace mojo {
 namespace shell {
 
 // A callback specialization that takes a single int parameter. Usually this is
 // used to report a byte count or network error code.
 typedef base::Callback<void(int)> CompletionCallback;
 
 // 64bit version of callback specialization that takes a single int64 parameter.
 // Usually this is used to report a file offset, size or network error code.
 typedef base::Callback<void(int64)> Int64CompletionCallback;
 
 typedef base::CancelableCallback<void(int)> CancelableCompletionCallback;
 
 }  // namespace shell
 }  // namespace mojo
 
-#endif  // MOJO_SHELL_DOMAIN_SOCKET_COMPLETION_CALLBACK_H__
+#endif  // SHELL_DOMAIN_SOCKET_COMPLETION_CALLBACK_H__