Move base/mac_util.h to base/mac and use the base::mac namespace....

chrome/browser/ui/cocoa/location_bar/instant_opt_in_controller.mm

 // Copyright (c) 2010 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.
 
 #import "chrome/browser/ui/cocoa/location_bar/instant_opt_in_controller.h"
 
-#include "base/mac_util.h"
+#include "base/mac/mac_util.h"
 
 @implementation InstantOptInController
 
 - (id)initWithDelegate:(InstantOptInControllerDelegate*)delegate {
   if ((self = [super initWithNibName:@"InstantOptIn"
-                     bundle:mac_util::MainAppBundle()])) {
+                     bundle:base::mac::MainAppBundle()])) {
     delegate_ = delegate;
   }
   return self;
 }
 
 - (void)awakeFromNib {
   // TODO(rohitrao): Translate and resize strings.
 }
 
 - (IBAction)ok:(id)sender {
   delegate_->UserPressedOptIn(true);
 }
 
 - (IBAction)cancel:(id)sender {
   delegate_->UserPressedOptIn(false);
 }
 
 @end