Move mojo/runner to mojo/shell/standalone

mojo/shell/standalone/scoped_user_data_dir.h

 // Copyright 2015 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_RUNNER_SCOPED_USER_DATA_DIR_H_
-#define MOJO_RUNNER_SCOPED_USER_DATA_DIR_H_
+#ifndef MOJO_SHELL_STANDALONE_SCOPED_USER_DATA_DIR_H_
+#define MOJO_SHELL_STANDALONE_SCOPED_USER_DATA_DIR_H_
 
 #include "base/files/scoped_temp_dir.h"
 
 namespace mojo {
-namespace runner {
+namespace shell {
 
 // A scoped class which owns a ScopedTempDir if --use-temporary-user-data-dir
 // is set. If it is, also modifies the command line so that --user-data-dir
 // points to the temporary dir.
 class ScopedUserDataDir {
  public:
   ScopedUserDataDir();
   ~ScopedUserDataDir();
 
  private:
   base::ScopedTempDir temp_dir_;
 };
 
-}  // namespace runner
+}  // namespace shell
 }  // namespace mojo
 
-#endif  // MOJO_RUNNER_SCOPED_USER_DATA_DIR_H_
+#endif  // MOJO_SHELL_STANDALONE_SCOPED_USER_DATA_DIR_H_