Update access info when an offline page is being visited

components/offline_pages/offline_page_item.cc

 // Copyright 2015 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.
 
 #include "components/offline_pages/offline_page_item.h"
 
 #include "net/base/filename_util.h"
 
 namespace offline_pages {
 
 namespace {
 const int kCurrentVersion = 1;
 }
 
 OfflinePageItem::OfflinePageItem()
     : version(kCurrentVersion),
-      file_size(0) {
+      file_size(0),
+      access_count(0) {
 }
 
 OfflinePageItem::OfflinePageItem(const GURL& url,
                                  int64 bookmark_id,
                                  const base::FilePath& file_path,
                                  int64 file_size)
     : url(url),
       bookmark_id(bookmark_id),
       version(kCurrentVersion),
       file_path(file_path),
-      file_size(file_size) {
+      file_size(file_size),
+      access_count(0) {
 }
 
 OfflinePageItem::OfflinePageItem(const GURL& url,
                                  int64 bookmark_id,
                                  const base::FilePath& file_path,
                                  int64 file_size,
                                  const base::Time& creation_time)
     : url(url),
       bookmark_id(bookmark_id),
       version(kCurrentVersion),
       file_path(file_path),
       file_size(file_size),
       creation_time(creation_time),
-      last_access_time(creation_time) {
+      last_access_time(creation_time),
+      access_count(0) {
 }
 
 OfflinePageItem::~OfflinePageItem() {
 }
 
 GURL OfflinePageItem::GetOfflineURL() const {
   return net::FilePathToFileURL(file_path);
 }
 
 }  // namespace offline_pages