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

chrome/browser/chromeos/login/kiosk_browsertest.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 "ash/desktop_background/desktop_background_controller.h"
 #include "ash/desktop_background/desktop_background_controller_observer.h"
 #include "ash/shell.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/files/file_util.h"
@@ skipping 318 matching lines @@
     AppLaunchController::SetNetworkTimeoutCallbackForTesting(NULL);
     AppLaunchSigninScreen::SetUserManagerForTesting(NULL);
 
     OobeBaseTest::TearDownOnMainThread();
 
     // Clean up while main thread still runs.
     // See http://crbug.com/176659.
     KioskAppManager::Get()->CleanUp();
   }
 
-  virtual void SetUpCommandLine(CommandLine* command_line) override {
+  virtual void SetUpCommandLine(base::CommandLine* command_line) override {
     OobeBaseTest::SetUpCommandLine(command_line);
     fake_cws_->Init(embedded_test_server());
   }
 
   void LaunchApp(const std::string& app_id, bool diagnostic_mode) {
     bool new_kiosk_ui = KioskAppMenuHandler::EnableNewKioskUI();
     GetLoginUI()->CallJavascriptFunction(new_kiosk_ui ?
         kLaunchAppForTestNewAPI : kLaunchAppForTestOldAPI,
         base::StringValue(app_id),
         base::FundamentalValue(diagnostic_mode));
@@ skipping 1417 matching lines @@
 }
 
 // Specialized test fixture for testing kiosk mode on the
 // hidden WebUI initialization flow for slow hardware.
 class KioskHiddenWebUITest : public KioskTest,
                              public ash::DesktopBackgroundControllerObserver {
  public:
   KioskHiddenWebUITest() : wallpaper_loaded_(false) {}
 
   // KioskTest overrides:
-  virtual void SetUpCommandLine(CommandLine* command_line) override {
+  virtual void SetUpCommandLine(base::CommandLine* command_line) override {
     KioskTest::SetUpCommandLine(command_line);
     command_line->AppendSwitch(switches::kDisableBootAnimation);
   }
 
   virtual void SetUpOnMainThread() override {
     KioskTest::SetUpOnMainThread();
     ash::Shell::GetInstance()->desktop_background_controller()
         ->AddObserver(this);
   }
 
@@ skipping 51 matching lines @@
   content::WindowedNotificationObserver(
       chrome::NOTIFICATION_KIOSK_AUTOLAUNCH_WARNING_VISIBLE,
       content::NotificationService::AllSources()).Wait();
 
   // Wait for the wallpaper to load.
   WaitForWallpaper();
   EXPECT_TRUE(wallpaper_loaded());
 }
 
 }  // namespace chromeos