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

chrome/browser/chromeos/extensions/file_manager/event_router.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/extensions/file_manager/event_router.h"
 
 #include "base/bind.h"
 #include "base/files/file_util.h"
 #include "base/message_loop/message_loop.h"
 #include "base/prefs/pref_change_registrar.h"
@@ skipping 308 matching lines @@
       profile != ProfileManager::GetActiveUserProfile()) {
     return false;
   }
 
   // Do not pop-up the File Manager, if the recovery tool is running.
   if (IsRecoveryToolRunning(profile))
     return false;
 
   // If the disable-default-apps flag is on, Files.app is not opened
   // automatically on device mount not to obstruct the manual test.
-  if (CommandLine::ForCurrentProcess()->HasSwitch(
+  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kDisableDefaultApps)) {
     return false;
   }
 
   return true;
 }
 
 // Sub-part of the event router for handling device events.
 class DeviceEventRouterImpl : public DeviceEventRouter {
  public:
@@ skipping 693 matching lines @@
 void EventRouter::SetDispatchDirectoryChangeEventImplForTesting(
     const DispatchDirectoryChangeEventImplCallback& callback) {
   dispatch_directory_change_event_impl_ = callback;
 }
 
 base::WeakPtr<EventRouter> EventRouter::GetWeakPtr() {
   return weak_factory_.GetWeakPtr();
 }
 
 }  // namespace file_manager