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

chrome/browser/chromeos/profiles/profile_helper.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/chromeos/profiles/profile_helper.h"
 
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/browsing_data/browsing_data_helper.h"
@@ skipping 277 matching lines @@
     return NULL;
 
   user_manager::UserManager* user_manager = user_manager::UserManager::Get();
 
   // Special case for non-CrOS tests that do create several profiles
   // and don't really care about mapping to the real user.
   // Without multi-profiles on Chrome OS such tests always got active_user_.
   // Now these tests will specify special flag to continue working.
   // In future those tests can get a proper CrOS configuration i.e. register
   // and login several users if they want to work with an additional profile.
-  if (CommandLine::ForCurrentProcess()->HasSwitch(
+  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kIgnoreUserProfileMappingForTests)) {
     return user_manager->GetActiveUser();
   }
 
   const std::string username_hash =
       ProfileHelper::GetUserIdHashFromProfile(profile);
   const user_manager::UserList& users = user_manager->GetUsers();
   const user_manager::UserList::const_iterator pos = std::find_if(
       users.begin(), users.end(), UsernameHashMatcher(username_hash));
   if (pos != users.end())
@@ skipping 67 matching lines @@
   user_to_profile_for_testing_[user] = profile;
 }
 
 // static
 std::string ProfileHelper::GetUserIdHashByUserIdForTesting(
     const std::string& user_id) {
   return user_id + kUserIdHashSuffix;
 }
 
 }  // namespace chromeos