Switch FaviconTabHelper to use WebContentsUserData.

chrome/browser/ui/browser.cc

 // Copyright (c) 2012 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/browser.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #include <shellapi.h>
 #endif  // OS_WIN
@@ skipping 527 matching lines @@
 }
 
 bool Browser::is_devtools() const {
   return app_name_ == DevToolsWindow::kDevToolsApp;
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // Browser, State Storage and Retrieval for UI:
 
 gfx::Image Browser::GetCurrentPageIcon() const {
-  TabContents* contents = chrome::GetActiveTabContents(this);
-  // |contents| can be NULL since GetCurrentPageIcon() is called by the window
-  // during the window's creation (before tabs have been added).
-  return contents ?
-      contents->favicon_tab_helper()->GetFavicon() : gfx::Image();
+  WebContents* web_contents = chrome::GetActiveWebContents(this);
+  // |web_contents| can be NULL since GetCurrentPageIcon() is called by the
+  // window during the window's creation (before tabs have been added).
+  FaviconTabHelper* favicon_tab_helper =
+      web_contents ? FaviconTabHelper::FromWebContents(web_contents) : NULL;
+  return favicon_tab_helper ? favicon_tab_helper->GetFavicon() : gfx::Image();
 }
 
 string16 Browser::GetWindowTitleForCurrentTab() const {
   WebContents* contents = chrome::GetActiveWebContents(this);
   string16 title;
 
   // |contents| can be NULL because GetWindowTitleForCurrentTab is called by the
   // window during the window's creation (before tabs have been added).
   if (contents) {
     title = contents->GetTitle();
@@ skipping 1738 matching lines @@
   if (contents && !allow_js_access) {
     contents->web_contents()->GetController().LoadURL(
         target_url,
         content::Referrer(),
         content::PAGE_TRANSITION_LINK,
         std::string());  // No extra headers.
   }
 
   return contents != NULL;
 }