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

chrome/browser/ui/cocoa/keystone_infobar_delegate.mm

 // 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 "chrome/browser/ui/cocoa/keystone_infobar_delegate.h"
 
 #import <AppKit/AppKit.h>
 
 #include <string>
 
@@ skipping 142 matching lines @@
 }
 
 - (void)checkAndShowInfoBarForProfile:(Profile*)profile {
   // If this is the first run, the user clicked the "don't ask again" button
   // at some point in the past, or if the "don't ask about the default
   // browser" command-line switch is present, bail out.  That command-line
   // switch is recycled here because it's likely that the set of users that
   // don't want to be nagged about the default browser also don't want to be
   // nagged about the update check.  (Automated testers, I'm thinking of
   // you...)
-  CommandLine* commandLine = CommandLine::ForCurrentProcess();
+  base::CommandLine* commandLine = base::CommandLine::ForCurrentProcess();
   if (first_run::IsChromeFirstRun() ||
       !profile->GetPrefs()->GetBoolean(prefs::kShowUpdatePromotionInfoBar) ||
       commandLine->HasSwitch(switches::kNoDefaultBrowserCheck)) {
     return;
   }
 
   // If there is no Keystone glue (maybe because this application isn't
   // Keystone-enabled) or the application is on a read-only filesystem,
   // doing anything related to auto-update is pointless.  Bail out.
   KeystoneGlue* keystoneGlue = [KeystoneGlue defaultKeystoneGlue];
@@ skipping 43 matching lines @@
 
 @end  // @implementation KeystonePromotionInfoBar
 
 // static
 void KeystoneInfoBar::PromotionInfoBar(Profile* profile) {
   KeystonePromotionInfoBar* promotionInfoBar =
       [[[KeystonePromotionInfoBar alloc] init] autorelease];
 
   [promotionInfoBar checkAndShowInfoBarForProfile:profile];
 }