Remove themes/default.dll and merge the resources into chrome.dll.

chrome/browser/browser_main_mac.mm

 // Copyright (c) 2008 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/browser_main.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include "app/resource_bundle.h"
 #include "base/command_line.h"
@@ skipping 24 matching lines @@
   if (![NSApp isKindOfClass:[CrApplication class]]) {
     LOG(ERROR) << "NSApp should be of type CrApplication, not "
                << [[NSApp className] UTF8String];
     DCHECK(false) << "NSApp is of wrong type";
   }
 
   // Before we load the nib, we need to start up the resource bundle so we have
   // the strings avaiable for localization.
   if (!parameters.ui_task) {
     ResourceBundle::InitSharedInstance(std::wstring());
-    // We only load the theme resources in the browser process, since this is
-    // the browser process, load them.
-    ResourceBundle::GetSharedInstance().LoadThemeResources();
   }
   // Now load the nib.
   [NSBundle loadNibNamed:@"MainMenu" owner:NSApp];
 
   // 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];
 }
 
 void DidEndMainMessageLoop() {
@@ skipping 25 matching lines @@
 int HandleIconsCommands(const CommandLine& parsed_command_line) {
   return 0;
 }
 
 bool CheckMachineLevelInstall() {
   return false;
 }
 
 void PrepareRestartOnCrashEnviroment(const CommandLine& parsed_command_line) {
 }