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

content/browser/renderer_host/render_view_host_factory.cc

 // Copyright (c) 2012 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 "content/browser/renderer_host/render_view_host_factory.h"
 
 #include <memory>
 
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
@@ skipping 32 matching lines @@
     // the sync IPC, while deferring the creation of the actual Host objects to
     // the UI thread.
   }
   if (factory_) {
     return factory_->CreateRenderViewHost(instance, delegate, widget_delegate,
                                           routing_id, main_frame_routing_id,
                                           swapped_out);
   }
   return new RenderViewHostImpl(
       instance,
-      base::WrapUnique(new RenderWidgetHostImpl(
-          widget_delegate, instance->GetProcess(), routing_id, hidden)),
+      base::MakeUnique<RenderWidgetHostImpl>(
+          widget_delegate, instance->GetProcess(), routing_id, hidden),
       delegate, main_frame_routing_id, swapped_out,
       true /* has_initialized_audio_host */);
 }
 
 // static
 void RenderViewHostFactory::RegisterFactory(RenderViewHostFactory* factory) {
   DCHECK(!factory_) << "Can't register two factories at once.";
   factory_ = factory;
 }
 
 // static
 void RenderViewHostFactory::UnregisterFactory() {
   DCHECK(factory_) << "No factory to unregister.";
   factory_ = nullptr;
 }
 
 }  // namespace content