Remove NOTIFICATION_BROWSING_DATA_REMOVED

chrome/browser/browsing_data/browsing_data_remover.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_REMOVER_H_
 #define CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_REMOVER_H_
 
 #include <set>
 
 #include "base/gtest_prod_util.h"
@@ skipping 134 matching lines @@
   // Observer is notified when the removal is done. Done means keywords have
   // been deleted, cache cleared and all other tasks scheduled.
   class Observer {
    public:
     virtual void OnBrowsingDataRemoverDone() = 0;
 
    protected:
     virtual ~Observer() {}
   };
 
+  using Callback = base::Callback<void(const NotificationDetails&)>;
+  using CallbackSubscription = scoped_ptr<
+      base::CallbackList<void(const NotificationDetails&)>::Subscription>;
+
   // The completion inhibitor can artificially delay completion of the browsing
   // data removal process. It is used during testing to simulate scenarios in
   // which the deletion stalls or takes a very long time.
   class CompletionInhibitor {
    public:
     // Invoked when a |remover| is just about to complete clearing browser data,
     // and will be prevented from completing until after the callback
     // |continue_to_completion| is run.
     virtual void OnBrowsingDataRemoverWouldComplete(
         BrowsingDataRemover* remover,
@@ skipping 28 matching lines @@
   static bool is_removing() { return is_removing_; }
 
   // Sets a CompletionInhibitor, which will be notified each time an instance is
   // about to complete a browsing data removal process, and will be able to
   // artificially delay the completion.
   static void set_completion_inhibitor_for_testing(
       CompletionInhibitor* inhibitor) {
     completion_inhibitor_ = inhibitor;
   }
 
+  // Add a callback to the list of callbacks to be called during a browsing data
+  // removal event. Returns a subscription object that can be used to
+  // un-register the callback.
+  static CallbackSubscription RegisterOnBrowsingDataRemovedCallback(
+      const Callback& callback);
+
   // Removes the specified items related to browsing for all origins that match
   // the provided |origin_set_mask| (see BrowsingDataHelper::OriginSetMask).
   void Remove(int remove_mask, int origin_set_mask);
 
   void AddObserver(Observer* observer);
   void RemoveObserver(Observer* observer);
 
   // Called when history deletion is done.
   void OnHistoryDeletionDone();
 
@@ skipping 252 matching lines @@
 
   scoped_ptr<TemplateURLService::Subscription> template_url_sub_;
 
   // We do not own this.
   content::StoragePartition* storage_partition_for_testing_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowsingDataRemover);
 };
 
 #endif  // CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_REMOVER_H_