re-apply r34183...

chrome/common/platform_util_mac.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.
 
 #include "chrome/common/platform_util.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include "app/l10n_util.h"
 #include "app/l10n_util_mac.h"
@@ skipping 66 matching lines @@
                     const string16& title,
                     const string16& message) {
   NSAlert* alert = [[[NSAlert alloc] init] autorelease];
   [alert addButtonWithTitle:l10n_util::GetNSString(IDS_OK)];
   [alert setMessageText:base::SysUTF16ToNSString(title)];
   [alert setInformativeText:base::SysUTF16ToNSString(message)];
   [alert setAlertStyle:NSWarningAlertStyle];
   [alert runModal];
 }
 
-RendererPreferences GetInitedRendererPreferences() {
-  return RendererPreferences();
-}
-
 }  // namespace platform_util