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

components/guest_view/browser/guest_view_message_filter.cc

 // Copyright 2015 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 "components/guest_view/browser/guest_view_message_filter.h"
 
 #include "base/memory/ptr_util.h"
 #include "components/guest_view/browser/guest_view_base.h"
 #include "components/guest_view/browser/guest_view_manager.h"
 #include "components/guest_view/browser/guest_view_manager_delegate.h"
@@ skipping 34 matching lines @@
 }
 
 GuestViewMessageFilter::~GuestViewMessageFilter() {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 }
 
 GuestViewManager* GuestViewMessageFilter::GetOrCreateGuestViewManager() {
   auto* manager = GuestViewManager::FromBrowserContext(browser_context_);
   if (!manager) {
     manager = GuestViewManager::CreateWithDelegate(
-        browser_context_, base::WrapUnique(
-                              new GuestViewManagerDelegate()));
+        browser_context_, base::MakeUnique<GuestViewManagerDelegate>());
   }
   return manager;
 }
 
 void GuestViewMessageFilter::OverrideThreadForMessage(
     const IPC::Message& message,
     BrowserThread::ID* thread) {
   if (IPC_MESSAGE_CLASS(message) == GuestViewMsgStart)
     *thread = BrowserThread::UI;
 }
@@ skipping 85 matching lines @@
   guest->WillAttach(
       owner_web_contents, element_instance_id, false,
       base::Bind(&GuestViewMessageFilter::WillAttachCallback, this, guest));
 }
 
 void GuestViewMessageFilter::WillAttachCallback(GuestViewBase* guest) {
   guest->DidAttach(MSG_ROUTING_NONE);
 }
 
 }  // namespace guest_view