Add a new GetInstance() method for singleton classes, take 2.

chrome_frame/simple_resource_loader.h

 // Copyright (c) 2010 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.
 //
 // This class implements a simplified and much stripped down version of
 // Chrome's app/resource_bundle machinery. It notably avoids unwanted
 // dependencies on things like Skia.
 //
 
 #ifndef CHROME_FRAME_SIMPLE_RESOURCE_LOADER_H_
 #define CHROME_FRAME_SIMPLE_RESOURCE_LOADER_H_
 
 #include <windows.h>
 #include <string>
 #include <vector>
 
 #include "base/file_path.h"
 #include "base/gtest_prod_util.h"
 #include "base/singleton.h"
 
 class SimpleResourceLoader {
  public:
 
-  static SimpleResourceLoader* instance() {
-    return Singleton<SimpleResourceLoader>::get();
-  }
+  static SimpleResourceLoader* instance();
 
   // Returns the language tag for the active language.
   static std::wstring GetLanguage();
 
   // Helper method to return the string resource identified by message_id
   // from the currently loaded locale dll.
   static std::wstring Get(int message_id);
 
   // Retrieves the HINSTANCE of the loaded module handle. May be NULL if a
   // resource DLL could not be loaded.
@@ skipping 29 matching lines @@
 
   friend struct DefaultSingletonTraits<SimpleResourceLoader>;
 
   FRIEND_TEST_ALL_PREFIXES(SimpleResourceLoaderTest, LoadLocaleDll);
 
   std::wstring language_;
   HINSTANCE locale_dll_handle_;
 };
 
 #endif  // CHROME_FRAME_SIMPLE_RESOURCE_LOADER_H_