Get web app icon via FavIconHelper and auto repair/update

chrome/browser/tab_contents/tab_contents.cc

 // 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.
 
 #include "chrome/browser/tab_contents/tab_contents.h"
 
 #include "app/gfx/text_elider.h"
 #include "app/l10n_util.h"
 #include "app/resource_bundle.h"
 #include "base/file_version_info.h"
@@ skipping 202 matching lines @@
                          const TabContents* base_tab_contents)
     : delegate_(NULL),
       ALLOW_THIS_IN_INITIALIZER_LIST(controller_(this, profile)),
       ALLOW_THIS_IN_INITIALIZER_LIST(view_(
           TabContentsView::Create(this))),
       ALLOW_THIS_IN_INITIALIZER_LIST(render_manager_(this, this)),
       property_bag_(),
       registrar_(),
       ALLOW_THIS_IN_INITIALIZER_LIST(printing_(*this)),
       save_package_(),
-      cancelable_consumer_(),
       form_field_history_manager_(),
       autofill_manager_(),
       password_manager_(),
       plugin_installer_(),
       ALLOW_THIS_IN_INITIALIZER_LIST(fav_icon_helper_(this)),
       select_file_dialog_(),
       is_loading_(false),
       is_crashed_(false),
       waiting_for_response_(false),
       max_page_id_(-1),
@@ skipping 2404 matching lines @@
   render_view_host()->JavaScriptMessageBoxClosed(reply_msg, success, prompt);
 }
 
 void TabContents::SetSuppressMessageBoxes(bool suppress_message_boxes) {
   set_suppress_javascript_messages(suppress_message_boxes);
 }
 
 void TabContents::set_encoding(const std::string& encoding) {
   encoding_ = CharacterEncoding::GetCanonicalEncodingNameByAliasName(encoding);
 }