Move CommandLine to base namespace.

tools/android/common/daemon.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 TOOLS_ANDROID_COMMON_DAEMON_H_
 #define TOOLS_ANDROID_COMMON_DAEMON_H_
 
+namespace base {
 class CommandLine;
+}
 
 namespace tools {
 
-bool HasHelpSwitch(const CommandLine& command_line);
+bool HasHelpSwitch(const base::CommandLine& command_line);
 
-bool HasNoSpawnDaemonSwitch(const CommandLine& command_line);
+bool HasNoSpawnDaemonSwitch(const base::CommandLine& command_line);
 
 void ShowHelp(const char* program,
               const char* extra_title,
               const char* extra_descriptions);
 
 // Spawns a daemon process and exits the current process with exit_status.
 // Any code executed after this function returns will be executed in the
 // spawned daemon process.
 void SpawnDaemon(int exit_status);
 
 }  // namespace tools
 
 #endif  // TOOLS_ANDROID_COMMON_DAEMON_H_