Restart the browsing data counters when the CBD dialog is opened.

chrome/browser/ui/webui/options/clear_browser_data_handler.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_UI_WEBUI_OPTIONS_CLEAR_BROWSER_DATA_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_OPTIONS_CLEAR_BROWSER_DATA_HANDLER_H_
 
 #include "base/memory/scoped_vector.h"
 #include "base/prefs/pref_member.h"
 #include "chrome/browser/browsing_data/browsing_data_counter.h"
@@ skipping 15 matching lines @@
   void GetLocalizedValues(base::DictionaryValue* localized_strings) override;
   void InitializeHandler() override;
   void InitializePage() override;
 
   // WebUIMessageHandler implementation.
   void RegisterMessages() override;
 
   void UpdateInfoBannerVisibility();
 
  private:
+  // Javascript callback for when the CBD dialog is opened. The caller does
+  // not provide any parameters, so |value| is unused.
+  void OnPageOpened(const base::ListValue* value);
+
   // Javascript callback to start clearing data.
   void HandleClearBrowserData(const base::ListValue* value);
 
   // BrowsingDataRemover::Observer implementation.
   // Closes the dialog once all requested data has been removed.
   void OnBrowsingDataRemoverDone() override;
 
   // Updates UI when the pref to allow clearing history changes.
   virtual void OnBrowsingHistoryPrefChanged();
 
@@ skipping 33 matching lines @@
 
   // Informs us whether the user is syncing their data.
   ProfileSyncService* sync_service_;
 
   DISALLOW_COPY_AND_ASSIGN(ClearBrowserDataHandler);
 };
 
 }  // namespace options
 
 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_CLEAR_BROWSER_DATA_HANDLER_H_