Make TabRestoreService::Entry noncopyable and fix up surrounding code.

chrome/browser/win/jumplist.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_WIN_JUMPLIST_H_
 #define CHROME_BROWSER_WIN_JUMPLIST_H_
 
 #include <stddef.h>
 
 #include <list>
@@ skipping 98 matching lines @@
   static bool Enabled();
 
  private:
   friend class base::RefCounted<JumpList>;
   ~JumpList() override;
 
   // Creates a ShellLinkItem object from a tab (or a window) and add it to the
   // given list.
   // These functions are copied from the RecentlyClosedTabsHandler class for
   // compatibility with the new-tab page.
-  bool AddTab(const sessions::TabRestoreService::Tab* tab,
+  bool AddTab(const sessions::TabRestoreService::Tab& tab,
               ShellLinkItemList* list,
               size_t max_items);
-  void AddWindow(const sessions::TabRestoreService::Window* window,
+  void AddWindow(const sessions::TabRestoreService::Window& window,
                  ShellLinkItemList* list,
                  size_t max_items);
 
   // Starts loading a favicon for each URL in |icon_urls_|.
   // This function sends a query to HistoryService.
   // When finishing loading all favicons, this function posts a task that
   // decompresses collected favicons and updates a JumpList.
   void StartLoadingFavicon();
 
   // A callback function for HistoryService that notify when a requested favicon
@@ skipping 51 matching lines @@
   // comes in before it finishes.
   base::CancelableTaskTracker::TaskId task_id_;
 
   // For callbacks may be run after destruction.
   base::WeakPtrFactory<JumpList> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(JumpList);
 };
 
 #endif  // CHROME_BROWSER_WIN_JUMPLIST_H_