Switch to using .pak files for locale data on Windows.

ui/base/resource/resource_bundle.h

 // Copyright (c) 2011 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.
 
 #ifndef UI_BASE_RESOURCE_RESOURCE_BUNDLE_H_
 #define UI_BASE_RESOURCE_RESOURCE_BUNDLE_H_
 #pragma once
 
 #include "build/build_config.h"
 
@@ skipping 65 matching lines @@
 
   // Initialize the ResourceBundle for this process.  Returns the language
   // selected.
   // NOTE: Mac ignores this and always loads up resources for the language
   // defined by the Cocoa UI (ie-NSBundle does the langange work).
   static std::string InitSharedInstance(const std::string& pref_locale);
 
   // Initialize the ResourceBundle using given data pack path for testing.
   static void InitSharedInstanceForTest(const FilePath& path);
 
+  // Load a .pak file.  Returns NULL if we fail to load |path|.  The caller
+  // is responsible for deleting up this pointer.
+  static DataPack* LoadResourcesDataPak(const FilePath& path);
+
   // Changes the locale for an already-initialized ResourceBundle.  Future
   // calls to get strings will return the strings for this new locale.  This
   // has no effect on existing or future image resources.  This has no effect
   // on existing or future image resources, and thus does not use the lock to
   // guarantee thread-safety, since all string access is expected to happen on
   // the UI thread.
   static std::string ReloadSharedInstance(const std::string& pref_locale);
 
   // Registers additional data pack files with the global ResourceBundle.  When
   // looking for a DataResource, we will search these files after searching the
@@ skipping 168 matching lines @@
   // bright red bitmap.
   gfx::Image* GetEmptyImage();
 
   // Class level lock.  Used to protect internal data structures that may be
   // accessed from other threads (e.g., images_).
   scoped_ptr<base::Lock> lock_;
 
   // Handles for data sources.
   DataHandle resources_data_;
   DataHandle large_icon_resources_data_;
-  DataHandle locale_resources_data_;
+#if !defined(NACL_WIN64)
+  scoped_ptr<DataPack> locale_resources_data_;
+#endif
 
   // References to extra data packs loaded via AddDataPackToSharedInstance.
   std::vector<LoadedDataPack*> data_packs_;
 
   // Cached images. The ResourceBundle caches all retrieved images and keeps
   // ownership of the pointers.
   typedef std::map<int, gfx::Image*> ImageMap;
   ImageMap images_;
 
   // The various fonts used. Cached to avoid repeated GDI creation/destruction.
@@ skipping 10 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(ResourceBundle);
 };
 
 }  // namespace ui
 
 // TODO(beng): Someday, maybe, get rid of this.
 using ui::ResourceBundle;
 
 #endif  // UI_BASE_RESOURCE_RESOURCE_BUNDLE_H_