Convert //chromecast from scoped_ptr to std::unique_ptr

chromecast/renderer/cast_content_renderer_client.h

Index: chromecast/renderer/cast_content_renderer_client.h
diff --git a/chromecast/renderer/cast_content_renderer_client.h b/chromecast/renderer/cast_content_renderer_client.h
index 470e8a834cc5d297756014dc2578daa352cd4af9..c888f1f09c1c60045a1b284f848b2cf822beea4d 100644
--- a/chromecast/renderer/cast_content_renderer_client.h
+++ b/chromecast/renderer/cast_content_renderer_client.h
@@ -27,7 +27,7 @@ class CastContentRendererClient : public content::ContentRendererClient {
  public:
   // Creates an implementation of CastContentRendererClient. Platform should
   // link in an implementation as needed.
-  static scoped_ptr<CastContentRendererClient> Create();
+  static std::unique_ptr<CastContentRendererClient> Create();
 
   ~CastContentRendererClient() override;
 
@@ -37,7 +37,7 @@ class CastContentRendererClient : public content::ContentRendererClient {
   void AddKeySystems(
       std::vector< ::media::KeySystemInfo>* key_systems) override;
 #if !defined(OS_ANDROID)
-  scoped_ptr<::media::RendererFactory> CreateMediaRendererFactory(
+  std::unique_ptr<::media::RendererFactory> CreateMediaRendererFactory(
       content::RenderFrame* render_frame,
       ::media::GpuVideoAcceleratorFactories* gpu_factories,
       const scoped_refptr<::media::MediaLog>& media_log) override;
@@ -51,9 +51,9 @@ class CastContentRendererClient : public content::ContentRendererClient {
   CastContentRendererClient();
 
  private:
-  scoped_ptr<network_hints::PrescientNetworkingDispatcher>
+  std::unique_ptr<network_hints::PrescientNetworkingDispatcher>
       prescient_networking_dispatcher_;
-  scoped_ptr<CastRenderProcessObserver> cast_observer_;
+  std::unique_ptr<CastRenderProcessObserver> cast_observer_;
   const bool allow_hidden_media_playback_;
 
   DISALLOW_COPY_AND_ASSIGN(CastContentRendererClient);