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

chrome/browser/ui/cocoa/importer_lock_dialog.mm

 // Copyright (c) 2009 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 <Cocoa/Cocoa.h>
 
 #import "importer_lock_dialog.h"
 
 #include "app/l10n_util_mac.h"
-#include "base/mac_util.h"
 #include "base/message_loop.h"
 #include "base/scoped_nsobject.h"
 #include "chrome/browser/importer/importer.h"
 #include "grit/chromium_strings.h"
 #include "grit/generated_resources.h"
 
 void ImportLockDialogCocoa::ShowWarning(ImporterHost* importer) {
   scoped_nsobject<NSAlert> lock_alert([[NSAlert alloc] init]);
   [lock_alert addButtonWithTitle:l10n_util::GetNSStringWithFixup(
       IDS_IMPORTER_LOCK_OK)];
   [lock_alert addButtonWithTitle:l10n_util::GetNSStringWithFixup(
       IDS_IMPORTER_LOCK_CANCEL)];
   [lock_alert setInformativeText:l10n_util::GetNSStringWithFixup(
       IDS_IMPORTER_LOCK_TEXT)];
   [lock_alert setMessageText:l10n_util::GetNSStringWithFixup(
       IDS_IMPORTER_LOCK_TITLE)];
 
   if ([lock_alert runModal] == NSAlertFirstButtonReturn) {
     MessageLoop::current()->PostTask(FROM_HERE, NewRunnableMethod(
         importer, &ImporterHost::OnLockViewEnd, true));
   } else {
     MessageLoop::current()->PostTask(FROM_HERE, NewRunnableMethod(
         importer, &ImporterHost::OnLockViewEnd, false));
   }
 }