Revise about: and chrome: url handling.

chrome/browser/ui/webui/options/options_ui.cc

 // 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.
 
 #include "chrome/browser/ui/webui/options/options_ui.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/callback.h"
@@ skipping 264 matching lines @@
   ThemeSource* theme = new ThemeSource(contents->profile());
   contents->profile()->GetChromeURLDataManager()->AddDataSource(theme);
 
 #if defined(OS_CHROMEOS)
   // Set up the chrome://userimage/ source.
   chromeos::UserImageSource* user_image_source =
       new chromeos::UserImageSource();
   contents->profile()->GetChromeURLDataManager()->AddDataSource(
       user_image_source);
 #endif
-
-  // Initialize the chrome://about/ source in case the user clicks the credits
-  // link.
-  InitializeAboutDataSource(contents->profile());
 }
 
 OptionsUI::~OptionsUI() {
   // Uninitialize all registered handlers. The base class owns them and it will
   // eventually delete them. Skip over the generic handler.
   for (std::vector<WebUIMessageHandler*>::iterator iter = handlers_.begin() + 1;
        iter != handlers_.end();
        ++iter) {
     static_cast<OptionsPageUIHandler*>(*iter)->Uninitialize();
   }
@@ skipping 54 matching lines @@
                                         OptionsPageUIHandler* handler_raw) {
   scoped_ptr<OptionsPageUIHandler> handler(handler_raw);
   DCHECK(handler.get());
   // Add only if handler's service is enabled.
   if (handler->IsEnabled()) {
     handler->GetLocalizedValues(localized_strings);
     // Add handler to the list and also pass the ownership.
     AddMessageHandler(handler.release()->Attach(this));
   }
 }