Make callers of CommandLine use it via the base:: namespace.

chrome/browser/ui/ash/session_state_delegate_chromeos.cc

 // Copyright (c) 2013 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 "chrome/browser/ui/ash/session_state_delegate_chromeos.h"
 
 #include "ash/multi_profile_uma.h"
 #include "ash/session/session_state_observer.h"
 #include "ash/system/chromeos/multi_user/user_switch_util.h"
 #include "base/bind.h"
@@ skipping 122 matching lines @@
   chromeos::DBusThreadManager::Get()->GetSessionManagerClient()->
       RequestLockScreen();
 }
 
 void SessionStateDelegateChromeos::UnlockScreen() {
   // This is used only for testing thus far.
   NOTIMPLEMENTED();
 }
 
 bool SessionStateDelegateChromeos::IsUserSessionBlocked() const {
-  bool has_login_manager = CommandLine::ForCurrentProcess()->HasSwitch(
-          chromeos::switches::kLoginManager);
+  bool has_login_manager = base::CommandLine::ForCurrentProcess()->HasSwitch(
+      chromeos::switches::kLoginManager);
   return (has_login_manager && !IsActiveUserSessionStarted()) ||
          IsScreenLocked() ||
          chromeos::UserAddingScreen::Get()->IsRunning();
 }
 
 ash::SessionStateDelegate::SessionState
 SessionStateDelegateChromeos::GetSessionState() const {
   return session_state_;
 }
 
@@ skipping 129 matching lines @@
 }
 
 void DoSwitchUser(const std::string& user_id) {
   user_manager::UserManager::Get()->SwitchActiveUser(user_id);
 }
 
 void SessionStateDelegateChromeos::TryToSwitchUser(
     const std::string& user_id) {
   ash::TrySwitchingActiveUser(base::Bind(&DoSwitchUser, user_id));
 }