Convert //chromecast from scoped_ptr to std::unique_ptr

chromecast/renderer/cast_content_renderer_client.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 "chromecast/renderer/cast_content_renderer_client.h"
 
 #include <stdint.h>
 #include <sys/sysinfo.h>
 
 #include "base/command_line.h"
@@ skipping 128 matching lines @@
     webview->settings()->setOfflineWebApplicationCacheEnabled(false);
   }
 }
 
 void CastContentRendererClient::AddKeySystems(
     std::vector< ::media::KeySystemInfo>* key_systems) {
   AddChromecastKeySystems(key_systems);
 }
 
 #if !defined(OS_ANDROID)
-scoped_ptr<::media::RendererFactory>
+std::unique_ptr<::media::RendererFactory>
 CastContentRendererClient::CreateMediaRendererFactory(
     ::content::RenderFrame* render_frame,
     ::media::GpuVideoAcceleratorFactories* gpu_factories,
     const scoped_refptr<::media::MediaLog>& media_log) {
   const base::CommandLine* cmd_line = base::CommandLine::ForCurrentProcess();
   if (!cmd_line->HasSwitch(switches::kEnableCmaMediaPipeline))
     return nullptr;
 
-  return scoped_ptr<::media::RendererFactory>(
+  return std::unique_ptr<::media::RendererFactory>(
       new chromecast::media::ChromecastMediaRendererFactory(
           gpu_factories, render_frame->GetRoutingID()));
 }
 #endif
 
 blink::WebPrescientNetworking*
 CastContentRendererClient::GetPrescientNetworking() {
   return prescient_networking_dispatcher_.get();
 }
 
 void CastContentRendererClient::DeferMediaLoad(
     content::RenderFrame* render_frame,
     bool render_frame_has_played_media_before,
     const base::Closure& closure) {
   if (!render_frame->IsHidden() || allow_hidden_media_playback_) {
     closure.Run();
     return;
   }
 
   // Lifetime is tied to |render_frame| via content::RenderFrameObserver.
   new CastMediaLoadDeferrer(render_frame, closure);
 }
 
 }  // namespace shell
 }  // namespace chromecast