Send visit time with HISTORY_URL_VISITED notification.

chrome/browser/history/history_notifications.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.
 
 // Structs that hold data used in broadcasting notifications.
 
 #ifndef CHROME_BROWSER_HISTORY_HISTORY_NOTIFICATIONS_H__
 #define CHROME_BROWSER_HISTORY_HISTORY_NOTIFICATIONS_H__
 
 #include <set>
@@ skipping 14 matching lines @@
 
   // The affected URLRow. The ID will be set to the value that is currently in
   // effect in the main history database.
   URLRow row;
 
   // A list of redirects leading up to the URL represented by this struct. If
   // we have the redirect chain A -> B -> C and this struct represents visiting
   // C, then redirects[0]=B and redirects[1]=A.  If there are no redirects,
   // this will be an empty vector.
   history::RedirectList redirects;
+
+  base::Time visit_time;
 };
 
 // Details for NOTIFICATION_HISTORY_TYPED_URLS_MODIFIED.
 struct URLsModifiedDetails : public HistoryDetails {
   URLsModifiedDetails();
   virtual ~URLsModifiedDetails();
 
   // Lists the information for each of the URLs affected. The rows will have the
   // IDs that are currently in effect in the main history database.
   URLRows changed_urls;
@@ skipping 41 matching lines @@
   explicit KeywordSearchDeletedDetails(URLID url_row_id);
   virtual ~KeywordSearchDeletedDetails();
 
   // The ID of the corresponding URLRow in the main history database.
   URLID url_row_id;
 };
 
 }  // namespace history
 
 #endif  // CHROME_BROWSER_HISTORY_HISTORY_NOTIFICATIONS_H__