Re-write many calls to WrapUnique() with MakeUnique()

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 51 matching lines @@
   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->SetInteger(webview::kRequestId, request_id);
-  web_view_guest()->DispatchEventToView(base::WrapUnique(
-      new GuestViewEvent(webview::kEventContextMenuShow, std::move(args))));
+  web_view_guest()->DispatchEventToView(base::MakeUnique<GuestViewEvent>(
+      webview::kEventContextMenuShow, std::move(args)));
   return true;
 }
 
 void ChromeWebViewGuestDelegate::OnDidInitialize() {
 #if defined(OS_CHROMEOS)
   if (chrome::IsRunningInMash()) {
     NOTIMPLEMENTED();
     return;
   }
   chromeos::AccessibilityManager* accessibility_manager =
@@ skipping 75 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