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

chrome/browser/extensions/api/virtual_keyboard_private/chrome_virtual_keyboard_delegate.cc

 // Copyright 2014 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/extensions/api/virtual_keyboard_private/chrome_virtual_keyboard_delegate.h"
 
 #include "base/command_line.h"
 #include "base/metrics/histogram.h"
 #include "base/metrics/user_metrics_action.h"
 #include "base/strings/string16.h"
@@ skipping 67 matching lines @@
   if (!controller)
     return false;
 
   keyboard::KeyboardController::GetInstance()->set_lock_keyboard(state);
   return true;
 }
 
 bool ChromeVirtualKeyboardDelegate::MoveCursor(int swipe_direction,
                                                int modifier_flags) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
-  if (!CommandLine::ForCurrentProcess()->HasSwitch(
+  if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
           keyboard::switches::kEnableSwipeSelection)) {
     return false;
   }
   aura::Window* window = GetKeyboardContainer();
   return window && keyboard::MoveCursor(
                        swipe_direction, modifier_flags, window->GetHost());
 }
 
 bool ChromeVirtualKeyboardDelegate::SendKeyEvent(const std::string& type,
                                                  int char_value,
@@ skipping 19 matching lines @@
 }
 
 bool ChromeVirtualKeyboardDelegate::IsLanguageSettingsEnabled() {
   return (user_manager::UserManager::Get()->IsUserLoggedIn() &&
           !chromeos::UserAddingScreen::Get()->IsRunning() &&
           !(chromeos::ScreenLocker::default_screen_locker() &&
             chromeos::ScreenLocker::default_screen_locker()->locked()));
 }
 
 }  // namespace extensions