Convert //content/browser from scoped_ptr to std::unique_ptr

content/browser/host_zoom_level_context.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 "content/browser/host_zoom_level_context.h"
 
 #include <utility>
 
 #include "base/files/file_path.h"
 #include "content/browser/host_zoom_map_impl.h"
 #include "content/public/browser/browser_thread.h"
 
 namespace content {
 
 HostZoomLevelContext::HostZoomLevelContext(
-    scoped_ptr<ZoomLevelDelegate> zoom_level_delegate)
+    std::unique_ptr<ZoomLevelDelegate> zoom_level_delegate)
     : host_zoom_map_impl_(new HostZoomMapImpl()),
       zoom_level_delegate_(std::move(zoom_level_delegate)) {
   if (zoom_level_delegate_)
     zoom_level_delegate_->InitHostZoomMap(host_zoom_map_impl_.get());
 }
 
 HostZoomLevelContext::~HostZoomLevelContext() {}
 
 void HostZoomLevelContext::DeleteOnCorrectThread() const {
   if (BrowserThread::IsMessageLoopValid(BrowserThread::UI) &&
       !BrowserThread::CurrentlyOn(BrowserThread::UI)) {
     BrowserThread::DeleteSoon(BrowserThread::UI, FROM_HERE, this);
     return;
   }
   delete this;
 }
 
 }  // namespace content