Remove linked_ptr usage in //base.

extensions/browser/guest_view/web_view/web_view_guest.h

 // Copyright 2014 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 EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_GUEST_H_
 #define EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_GUEST_H_
 
 #include <stdint.h>
 
 #include <vector>
@@ skipping 69 matching lines @@
   // Get the current zoom.
   double GetZoom() const;
 
   // Get the current zoom mode.
   ui_zoom::ZoomController::ZoomMode GetZoomMode();
 
   // Request navigating the guest to the provided |src| URL.
   void NavigateGuest(const std::string& src, bool force_navigation);
 
   // Shows the context menu for the guest.
-  // |items| acts as a filter. This restricts the current context's default
-  // menu items to contain only the items from |items|.
-  // |items| == NULL means no filtering will be applied.
-  void ShowContextMenu(
-      int request_id,
-      const WebViewGuestDelegate::MenuItemVector* items);
+  void ShowContextMenu(int request_id);
 
   // Sets the frame name of the guest.
   void SetName(const std::string& name);
   const std::string& name() { return name_; }
 
   // Set the zoom factor.
   void SetZoom(double zoom_factor);
 
   // Set the zoom mode.
   void SetZoomMode(ui_zoom::ZoomController::ZoomMode zoom_mode);
@@ skipping 279 matching lines @@
   // This is used to ensure pending tasks will not fire after this object is
   // destroyed.
   base::WeakPtrFactory<WebViewGuest> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WebViewGuest);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_GUEST_H_