MacViews: Use Cocoa folder icons in tree views.

chrome/browser/chrome_browser_main_mac.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/chrome_browser_main_mac.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
@@ skipping 89 matching lines @@
   if (!parameters().ui_task) {
     // The browser process only wants to support the language Cocoa will use,
     // so force the app locale to be overriden with that value.
     l10n_util::OverrideLocaleWithCocoaLocale();
   }
 
   // Before we load the nib, we need to start up the resource bundle so we
   // have the strings avaiable for localization.
   // TODO(markusheintz): Read preference pref::kApplicationLocale in order
   // to enforce the application locale.
+  resource_delegate_.reset(new ui::MacResourceDelegate());
   const std::string loaded_locale =
       ui::ResourceBundle::InitSharedInstanceWithLocale(
-          std::string(), NULL, ui::ResourceBundle::LOAD_COMMON_RESOURCES);
+          std::string(), resource_delegate_.get(),
+          ui::ResourceBundle::LOAD_COMMON_RESOURCES);
   CHECK(!loaded_locale.empty()) << "Default locale could not be found";
 
   base::FilePath resources_pack_path;
   PathService::Get(chrome::FILE_RESOURCES_PACK, &resources_pack_path);
   ResourceBundle::GetSharedInstance().AddDataPackFromPath(
       resources_pack_path, ui::SCALE_FACTOR_NONE);
 
   // This is a no-op if the KeystoneRegistration framework is not present.
   // The framework is only distributed with branded Google Chrome builds.
   [[KeystoneGlue defaultKeystoneGlue] registerWithKeystone];
@@ skipping 72 matching lines @@
   // counting and reporting of profiles.  Make sure, assuming KeyStone
   // is active, that it happened.
   CHECK(![KeystoneGlue defaultKeystoneGlue] ||
         [[KeystoneGlue defaultKeystoneGlue] isRegisteredAndActive]);
 }
 
 void ChromeBrowserMainPartsMac::DidEndMainMessageLoop() {
   AppController* appController = [NSApp delegate];
   [appController didEndMainMessageLoop];
 }