Remove raw DictionaryValue::Set in //chrome

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 <memory>
 #include <utility>
 
@@ skipping 47 matching lines @@
   // a crash. TODO(wjmaclean): find out why it's possible for this to happen
   // in the first place, and if it's an error.
   if (!pending_menu_)
     return false;
 
   // Pass it to embedder.
   int request_id = ++pending_context_menu_request_id_;
   std::unique_ptr<base::DictionaryValue> args(new base::DictionaryValue());
   std::unique_ptr<base::ListValue> items =
       MenuModelToValue(pending_menu_->menu_model());
-  args->Set(webview::kContextMenuItems, items.release());
+  args->Set(webview::kContextMenuItems, std::move(items));
   args->SetInteger(webview::kRequestId, request_id);
   web_view_guest()->DispatchEventToView(base::MakeUnique<GuestViewEvent>(
       webview::kEventContextMenuShow, std::move(args)));
   return true;
 }
 
 // static
 std::unique_ptr<base::ListValue> ChromeWebViewGuestDelegate::MenuModelToValue(
     const ui::SimpleMenuModel& menu_model) {
   std::unique_ptr<base::ListValue> items(new base::ListValue());
@@ skipping 34 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