Convert the BrowerThemeProvider pointer from being ref counted to

chrome/browser/browser_theme_provider.h

 // Copyright (c) 2009 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 CHROME_BROWSER_BROWSER_THEME_PROVIDER_H_
 #define CHROME_BROWSER_BROWSER_THEME_PROVIDER_H_
 
 #include <map>
 #include <string>
 #include <vector>
 
 #include "app/gfx/color_utils.h"
 #include "app/resource_bundle.h"
 #include "app/theme_provider.h"
 #include "base/basictypes.h"
 #include "base/non_thread_safe.h"
 #include "base/ref_counted.h"
 
 class Extension;
 class Profile;
 class DictionaryValue;
 
-class BrowserThemeProvider : public base::RefCounted<BrowserThemeProvider>,
-                             public NonThreadSafe,
+class BrowserThemeProvider : public NonThreadSafe,
                              public ThemeProvider {
  public:
   // Public constants used in BrowserThemeProvider and its subclasses:
 
   // Strings used by themes to identify colors for different parts of our UI.
   static const char* kColorFrame;
   static const char* kColorFrameInactive;
   static const char* kColorFrameIncognito;
   static const char* kColorFrameIncognitoInactive;
   static const char* kColorToolbar;
@@ skipping 326 matching lines @@
   // If true, process all images; if false, just load from disk.
   bool process_images_;
 
   // Where we will store our generated images.
   FilePath image_dir_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserThemeProvider);
 };
 
 #endif  // CHROME_BROWSER_BROWSER_THEME_PROVIDER_H_