Hook up Autofill Backend interface to SyncableServices

components/autofill/browser/webdata/autofill_webdata.h

 // 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.
 
 #ifndef COMPONENTS_AUTOFILL_BROWSER_WEBDATA_AUTOFILL_WEBDATA_H_
 #define COMPONENTS_AUTOFILL_BROWSER_WEBDATA_AUTOFILL_WEBDATA_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 31 matching lines @@
       WebDataServiceConsumer* consumer) = 0;
 
   // Checks if there are any form elements in the database.
   virtual WebDataServiceBase::Handle HasFormElements(
       WebDataServiceConsumer* consumer) = 0;
 
   // Removes form elements recorded for Autocomplete from the database.
   virtual void RemoveFormElementsAddedBetween(
       const base::Time& delete_begin, const base::Time& delete_end) = 0;
 
-  virtual void RemoveExpiredFormElements() = 0;
   virtual void RemoveFormValueForElementName(const base::string16& name,
                                              const base::string16& value) = 0;
 
   // Schedules a task to add an Autofill profile to the web database.
   virtual void AddAutofillProfile(const AutofillProfile& profile) = 0;
 
   // Schedules a task to update an Autofill profile in the web database.
   virtual void UpdateAutofillProfile(const AutofillProfile& profile) = 0;
 
   // Schedules a task to remove an Autofill profile from the web database.
@@ skipping 30 matching lines @@
 
   // Removes origin URLs associated with Autofill profiles and credit cards from
   // the database.
   virtual void RemoveOriginURLsModifiedBetween(
       const base::Time& delete_begin, const base::Time& delete_end) = 0;
 };
 
 }  // namespace autofill
 
 #endif  // COMPONENTS_AUTOFILL_BROWSER_WEBDATA_AUTOFILL_WEBDATA_H_