Move mojo/runner to mojo/shell/standalone

mojo/runner/scoped_user_data_dir.cc

-// 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.
-
-#include "mojo/runner/scoped_user_data_dir.h"
-
-#include "base/command_line.h"
-#include "base/logging.h"
-#include "mojo/runner/switches.h"
-
-namespace mojo {
-namespace runner {
-
-ScopedUserDataDir::ScopedUserDataDir() {
-  base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
-  if (!command_line->HasSwitch(switches::kUseTemporaryUserDataDir))
-    return;
-
-  if (command_line->HasSwitch(switches::kUserDataDir)) {
-    // User should not specify a --user-data-dir manually when using
-    // --use-temporary-user-data-dir. The point of the flag is to let the
-    // mojo runner process manage the lifetime of the user data dir.
-    LOG(ERROR) << "Ignoring request to --use-temporary-user-data-dir because "
-               << "--user-data-dir was also specified.";
-    return;
-  }
-
-  if (!temp_dir_.CreateUniqueTempDir()) {
-    LOG(ERROR) << "Failed to create a temporary user data dir.";
-    return;
-  }
-
-  command_line->AppendSwitchPath(switches::kUserDataDir, temp_dir_.path());
-}
-
-ScopedUserDataDir::~ScopedUserDataDir() {
-}
-
-}  // namespace runner
-}  // namespace mojo