Move some Autofill processing logic on form submit to a background thread.

chrome/browser/ui/tab_contents/tab_contents_wrapper.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_TAB_CONTENTS_TAB_CONTENTS_WRAPPER_H_
 #define CHROME_BROWSER_UI_TAB_CONTENTS_TAB_CONTENTS_WRAPPER_H_
 #pragma once
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
+#include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/prefs/pref_change_registrar.h"
 #include "chrome/browser/ui/tab_contents/tab_contents_wrapper_synced_tab_delegate.h"
 #include "content/browser/tab_contents/tab_contents.h"
 #include "content/browser/tab_contents/tab_contents_observer.h"
 #include "content/public/browser/notification_registrar.h"
 
 class AutocompleteHistoryManager;
 class AutofillManager;
 class AutofillExternalDelegate;
@@ skipping 243 matching lines @@
 
   // Shows an info-bar to users when they search from a known search engine and
   // have never used the omnibox for search before.
   scoped_ptr<OmniboxSearchHint> omnibox_search_hint_;
 
   // Tab Helpers ---------------------------------------------------------------
   // (These provide API for callers and have a getter function listed in the
   // "Tab Helpers" section in the member functions area, above.)
 
   scoped_ptr<AutocompleteHistoryManager> autocomplete_history_manager_;
-  scoped_ptr<AutofillManager> autofill_manager_;
+  scoped_refptr<AutofillManager> autofill_manager_;
   scoped_ptr<AutofillExternalDelegate> autofill_external_delegate_;
   scoped_ptr<AutomationTabHelper> automation_tab_helper_;
   scoped_ptr<BlockedContentTabHelper> blocked_content_tab_helper_;
   scoped_ptr<BookmarkTabHelper> bookmark_tab_helper_;
   scoped_ptr<ConstrainedWindowTabHelper> constrained_window_tab_helper_;
   scoped_ptr<ExtensionTabHelper> extension_tab_helper_;
   scoped_ptr<FaviconTabHelper> favicon_tab_helper_;
   scoped_ptr<FindTabHelper> find_tab_helper_;
   scoped_ptr<HistoryTabHelper> history_tab_helper_;
   scoped_ptr<InfoBarTabHelper> infobar_tab_helper_;
@@ skipping 44 matching lines @@
 
   // The supporting objects need to outlive the TabContents dtor (as they may
   // be called upon during its execution). As a result, this must come last
   // in the list.
   scoped_ptr<TabContents> tab_contents_;
 
   DISALLOW_COPY_AND_ASSIGN(TabContentsWrapper);
 };
 
 #endif  // CHROME_BROWSER_UI_TAB_CONTENTS_TAB_CONTENTS_WRAPPER_H_