Remove linked_ptr usage in //base.

chrome/browser/guest_view/web_view/chrome_web_view_guest_delegate.cc

 // 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.
 
 
 #include "chrome/browser/guest_view/web_view/chrome_web_view_guest_delegate.h"
 
 #include <utility>
 
 #include "build/build_config.h"
@@ skipping 81 matching lines @@
     // TODO(lazyboy): We need to expose some kind of enum equivalent of
     // |command_id| instead of plain integers.
     item_value->SetInteger(webview::kMenuItemCommandId,
                            menu_model.GetCommandIdAt(i));
     item_value->SetString(webview::kMenuItemLabel, menu_model.GetLabelAt(i));
     items->Append(item_value);
   }
   return items;
 }
 
-void ChromeWebViewGuestDelegate::OnShowContextMenu(
-    int request_id,
-    const MenuItemVector* items) {
-  if (!pending_menu_.get())
+void ChromeWebViewGuestDelegate::OnShowContextMenu(int request_id) {
+  if (!pending_menu_)
     return;
 
   // Make sure this was the correct request.
   if (request_id != pending_context_menu_request_id_)
     return;
 
   // TODO(lazyboy): Implement.
-  DCHECK(!items);
 
   ContextMenuDelegate* menu_delegate =
       ContextMenuDelegate::FromWebContents(guest_web_contents());
   menu_delegate->ShowMenu(std::move(pending_menu_));
 }
 
 bool ChromeWebViewGuestDelegate::ShouldHandleFindRequestsForEmbedder() const {
   // Find requests will be handled by the guest for the Chrome signin page.
   return web_view_guest_->owner_web_contents()->GetWebUI() != nullptr &&
          web_view_guest_->GetOwnerSiteURL().GetOrigin().spec() ==
@@ skipping 31 matching lines @@
 
 void ChromeWebViewGuestDelegate::SetContextMenuPosition(
     const gfx::Point& position) {
   if (context_menu_position_ == nullptr)
     context_menu_position_.reset(new gfx::Point());
 
   *context_menu_position_ = position;
 }
 
 }  // namespace extensions