Implement origin-based deletion of plugin data

chrome/browser/browsing_data/browsing_data_flash_lso_helper.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 CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_FLASH_LSO_HELPER_H_
 #define CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_FLASH_LSO_HELPER_H_
 
 #include <string>
 #include <vector>
 
 #include "base/callback_forward.h"
 #include "base/memory/ref_counted.h"
 
 namespace content {
 class BrowserContext;
 }
 
 // This class asynchronously fetches information about Flash LSOs and can delete
 // them.
 class BrowsingDataFlashLSOHelper
     : public base::RefCounted<BrowsingDataFlashLSOHelper> {
  public:
   typedef base::Callback<void(const std::vector<std::string>&)>
       GetSitesWithFlashDataCallback;
 
   static BrowsingDataFlashLSOHelper* Create(
       content::BrowserContext* browser_context);
 
   virtual void StartFetching(const GetSitesWithFlashDataCallback& callback) = 0;
-  virtual void DeleteFlashLSOsForSite(const std::string& site) = 0;
+  virtual void DeleteFlashLSOsForSite(const std::string& site,
+                                      const base::Closure& callback) = 0;
 
  protected:
   friend class base::RefCounted<BrowsingDataFlashLSOHelper>;
   virtual ~BrowsingDataFlashLSOHelper() {}
 };
 
 #endif  // CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_FLASH_LSO_HELPER_H_