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

win8/metro_driver/chrome_url_launch_handler.cc

 // Copyright (c) 2012 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 "stdafx.h"
 #include "chrome_url_launch_handler.h"
 #include "chrome_app_view.h"
 
 #include <assert.h>
 #include <shellapi.h>
@@ skipping 90 matching lines @@
 // find the URL to launch the first argument is used. If any other parameters
 // are encoded in |launch_args| they are ignored.
 base::string16 ChromeUrlLaunchHandler::GetUrlFromLaunchArgs(
     const base::string16& launch_args) {
   if (launch_args == L"opennewwindow") {
     VLOG(1) << "Returning new tab url";
     return L"chrome://newtab";
   }
   base::string16 dummy_command_line(L"dummy.exe ");
   dummy_command_line.append(launch_args);
-  CommandLine command_line = CommandLine::FromString(dummy_command_line);
-  CommandLine::StringVector args = command_line.GetArgs();
+  base::CommandLine command_line =
+      base::CommandLine::FromString(dummy_command_line);
+  base::CommandLine::StringVector args = command_line.GetArgs();
   if (args.size() > 0)
     return args[0];
 
   return base::string16();
 }
 
 void ChromeUrlLaunchHandler::HandleLaunch(
     winapp::Activation::ILaunchActivatedEventArgs* args) {
   mswrw::HString launch_args;
   args->get_Arguments(launch_args.GetAddressOf());
@@ skipping 74 matching lines @@
   if (url) {
     VLOG(1) << "Posting url:" << url;
     PostMessage(globals.host_windows.front().first, navigation_search_message,
                 reinterpret_cast<WPARAM>(url), 0);
   } else {
     VLOG(1) << "Posting search string:" << search_string;
     PostMessage(globals.host_windows.front().first, navigation_search_message,
                 0, reinterpret_cast<LPARAM>(search_string));
   }
 }