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

chrome/browser/ui/webui/chromeos/first_run/first_run_ui.cc

 // Copyright 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/ui/webui/chromeos/first_run/first_run_ui.h"
 
 #include "ash/shell.h"
 #include "base/command_line.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/webui/chromeos/first_run/first_run_handler.h"
@@ skipping 40 matching lines @@
   localized_strings->SetString(
       "helpKeepExploringButton",
       l10n_util::GetStringUTF16(IDS_FIRST_RUN_HELP_STEP_KEEP_EXPLORING_BUTTON));
   localized_strings->SetString(
       "helpFinishButton",
       l10n_util::GetStringUTF16(IDS_FIRST_RUN_HELP_STEP_FINISH_BUTTON));
   localized_strings->SetString(
       "nextButton", l10n_util::GetStringUTF16(IDS_FIRST_RUN_NEXT_BUTTON));
   localized_strings->SetBoolean(
       "transitionsEnabled",
-      CommandLine::ForCurrentProcess()->HasSwitch(
+      base::CommandLine::ForCurrentProcess()->HasSwitch(
           chromeos::switches::kEnableFirstRunUITransitions));
   std::string shelf_alignment;
   ash::Shell* shell = ash::Shell::GetInstance();
   switch (shell->GetShelfAlignment(shell->GetPrimaryRootWindow())) {
     case ash::SHELF_ALIGNMENT_BOTTOM:
       shelf_alignment = kShelfAlignmentBottom;
       break;
     case ash::SHELF_ALIGNMENT_LEFT:
       shelf_alignment = kShelfAlignmentLeft;
       break;
@@ skipping 27 matching lines @@
     : WebUIController(web_ui),
       actor_(NULL) {
   FirstRunHandler* handler = new FirstRunHandler();
   actor_ = handler;
   web_ui->AddMessageHandler(handler);
   content::WebUIDataSource::Add(Profile::FromWebUI(web_ui), CreateDataSource());
 }
 
 }  // namespace chromeos