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

app/resource_bundle_mac.mm

 // Copyright (c) 2006-2008 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 "app/resource_bundle.h"
 
 #import <Foundation/Foundation.h>
 
 #include "app/gfx/font.h"
 #include "app/l10n_util.h"
 #include "base/base_paths.h"
 #include "base/data_pack.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "base/mac_util.h"
 #include "base/path_service.h"
 #include "base/string_piece.h"
 #include "base/string_util.h"
 #include "skia/ext/skia_utils_mac.h"
 
 ResourceBundle::~ResourceBundle() {
   FreeImages();
 
   delete locale_resources_data_;
   locale_resources_data_ = NULL;
   delete resources_data_;
   resources_data_ = NULL;
-  theme_data_ = NULL;
 }
 
 namespace {
 
 base::DataPack *LoadResourceDataPack(NSString *name) {
   base::DataPack *resource_pack = NULL;
 
   NSString *resource_path = [mac_util::MainAppBundle() pathForResource:name
                                                                 ofType:@"pak"];
   if (resource_path) {
@@ skipping 17 matching lines @@
 
   DCHECK(resources_data_ == NULL) << "resource data already loaded!";
   resources_data_ = LoadResourceDataPack(@"chrome");
   DCHECK(resources_data_) << "failed to load chrome.pak";
 
   DCHECK(locale_resources_data_ == NULL) << "locale data already loaded!";
   locale_resources_data_ = LoadResourceDataPack(@"locale");
   DCHECK(locale_resources_data_) << "failed to load locale.pak";
 }
 
-void ResourceBundle::LoadThemeResources() {
-  // The data has been merged with chrome.pak so just set the pointer to be
-  // the same file.
-  DCHECK(resources_data_);
-  theme_data_ = resources_data_;
-}
-
 // static
 RefCountedStaticMemory* ResourceBundle::LoadResourceBytes(
     DataHandle module, int resource_id) {
   DCHECK(module);
   return module->GetStaticMemory(resource_id);
 }
 
 base::StringPiece ResourceBundle::GetRawDataResource(int resource_id) {
   DCHECK(resources_data_);
   base::StringPiece data;
@@ skipping 33 matching lines @@
 NSImage* ResourceBundle::GetNSImageNamed(int resource_id) {
   // Currently this doesn't make a cache holding these as NSImages because
   // GetBitmapNamed has a cache, and we don't want to double cache.
   SkBitmap* bitmap = GetBitmapNamed(resource_id);
   if (!bitmap)
     return nil;
 
   NSImage* nsimage = gfx::SkBitmapToNSImage(*bitmap);
   return nsimage;
 }