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

chrome/browser/chromeos/app_mode/kiosk_mode_idle_app_name_notification.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/chromeos/app_mode/kiosk_mode_idle_app_name_notification.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "chrome/browser/chromeos/ui/idle_app_name_notification_view.h"
@@ skipping 56 matching lines @@
   }
 }
 
 void KioskModeIdleAppNameNotification::Setup() {
   DCHECK(user_manager::UserManager::Get()->IsUserLoggedIn());
   Start();
 }
 
 void KioskModeIdleAppNameNotification::OnUserActivity(const ui::Event* event) {
   if (show_notification_upon_next_user_activity_) {
-    CommandLine* command_line = CommandLine::ForCurrentProcess();
+    base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
     const std::string app_id =
         command_line->GetSwitchValueASCII(::switches::kAppId);
     Profile* profile = ProfileManager::GetActiveUserProfile();
     notification_.reset(
         new IdleAppNameNotificationView(
             kMessageVisibilityTimeMs,
             kMessageAnimationTimeMs,
             extensions::ExtensionSystem::Get(profile
                 )->extension_service()->GetInstalledExtension(app_id)));
     show_notification_upon_next_user_activity_ = false;
@@ skipping 30 matching lines @@
         base::Bind(&KioskModeIdleAppNameNotification::OnTimeout,
                    base::Unretained(this)));
   }
 }
 
 void KioskModeIdleAppNameNotification::OnTimeout() {
   show_notification_upon_next_user_activity_ = true;
 }
 
 }  // namespace chromeos