Media Remoting: Remove old interstitial implementation.

content/renderer/render_frame_impl.cc

Index: content/renderer/render_frame_impl.cc
diff --git a/content/renderer/render_frame_impl.cc b/content/renderer/render_frame_impl.cc
index 8887a3dd1ac3e86347b1e38ce81d5d8d7f304b94..07b6fffc492dcbc9575a80d4322acc768ba89620 100644
--- a/content/renderer/render_frame_impl.cc
+++ b/content/renderer/render_frame_impl.cc
@@ -277,7 +277,6 @@
 #endif
 
 #if BUILDFLAG(ENABLE_MEDIA_REMOTING)
-#include "content/renderer/image_downloader/single_image_downloader.h"  // nogncheck
 #include "media/remoting/adaptive_renderer_factory.h"     // nogncheck
 #include "media/remoting/remoting_cdm_controller.h"       // nogncheck
 #include "media/remoting/remoting_cdm_factory.h"          // nogncheck
@@ -2924,7 +2923,6 @@ blink::WebMediaPlayer* RenderFrameImpl::createMediaPlayer(
   }
 
 #if BUILDFLAG(ENABLE_MEDIA_REMOTING)
-  auto* const remoting_controller_ptr = remoting_controller.get();
   media_renderer_factory =
       base::MakeUnique<media::remoting::AdaptiveRendererFactory>(
           std::move(media_renderer_factory), std::move(remoting_controller));
@@ -2943,10 +2941,6 @@ blink::WebMediaPlayer* RenderFrameImpl::createMediaPlayer(
   media_player->SetUseFallbackPath(use_fallback_path);
 #endif  // defined(OS_ANDROID)
 
-#if BUILDFLAG(ENABLE_MEDIA_REMOTING)
-  remoting_controller_ptr->SetDownloadPosterCallback(base::Bind(
-      &SingleImageDownloader::DownloadImage, weak_factory_.GetWeakPtr()));
-#endif
   return media_player;
 }