Add probability of culling if sync is enabled to https://chromiumcodereview.appspot.com/9585020/ In…

chrome/browser/webdata/web_data_service.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.
 
 // Chromium settings and storage represent user-selected preferences and
 // information and MUST not be extracted, overwritten or modified except
 // through Chromium defined APIs.
 
 #ifndef CHROME_BROWSER_WEBDATA_WEB_DATA_SERVICE_H__
 #define CHROME_BROWSER_WEBDATA_WEB_DATA_SERVICE_H__
@@ skipping 494 matching lines @@
   // |consumer| gets called back when the request is finished, with the vector
   // included in the argument |result|.
   Handle GetFormValuesForElementName(const string16& name,
                                      const string16& prefix,
                                      int limit,
                                      WebDataServiceConsumer* consumer);
 
   // Removes form elements recorded for Autocomplete from the database.
   void RemoveFormElementsAddedBetween(const base::Time& delete_begin,
                                       const base::Time& delete_end);
+  void RemoveExpiredFormElements();
   void RemoveFormValueForElementName(const string16& name,
                                      const string16& value);
 
   // Schedules a task to add an Autofill profile to the web database.
   void AddAutofillProfile(const AutofillProfile& profile);
 
   // Schedules a task to update an Autofill profile in the web database.
   void UpdateAutofillProfile(const AutofillProfile& profile);
 
   // Schedules a task to remove an Autofill profile from the web database.
@@ skipping 183 matching lines @@
   //
   // Autofill.
   //
   //////////////////////////////////////////////////////////////////////////////
   void AddFormElementsImpl(
       GenericRequest<std::vector<webkit::forms::FormField> >* request);
   void GetFormValuesForElementNameImpl(WebDataRequest* request,
       const string16& name, const string16& prefix, int limit);
   void RemoveFormElementsAddedBetweenImpl(
       GenericRequest2<base::Time, base::Time>* request);
+  void RemoveExpiredFormElementsImpl(WebDataRequest* request);
   void RemoveFormValueForElementNameImpl(
       GenericRequest2<string16, string16>* request);
   void AddAutofillProfileImpl(GenericRequest<AutofillProfile>* request);
   void UpdateAutofillProfileImpl(GenericRequest<AutofillProfile>* request);
   void RemoveAutofillProfileImpl(GenericRequest<std::string>* request);
   void GetAutofillProfilesImpl(WebDataRequest* request);
   void EmptyMigrationTrashImpl(GenericRequest<bool>* request);
   void AddCreditCardImpl(GenericRequest<CreditCard>* request);
   void UpdateCreditCardImpl(GenericRequest<CreditCard>* request);
   void RemoveCreditCardImpl(GenericRequest<std::string>* request);
@@ skipping 57 matching lines @@
   // result can be NULL, if no result is expected or if the database could
   // not be opened. The result object is destroyed after this call.
   virtual void OnWebDataServiceRequestDone(WebDataService::Handle h,
                                            const WDTypedResult* result) = 0;
 
  protected:
   virtual ~WebDataServiceConsumer() {}
 };
 
 #endif  // CHROME_BROWSER_WEBDATA_WEB_DATA_SERVICE_H__