Media Remoting: Draw remoting interstitial on poster image.

content/renderer/fetchers/multi_resolution_image_resource_fetcher.cc

Index: content/renderer/fetchers/multi_resolution_image_resource_fetcher.cc
diff --git a/content/renderer/fetchers/multi_resolution_image_resource_fetcher.cc b/content/renderer/fetchers/multi_resolution_image_resource_fetcher.cc
index 3e42b86ef3b869033d505956f87b8eb93cecc7dc..5dda475db1f42c5f017d6084d8066e60420c6674 100644
--- a/content/renderer/fetchers/multi_resolution_image_resource_fetcher.cc
+++ b/content/renderer/fetchers/multi_resolution_image_resource_fetcher.cc
@@ -81,4 +81,11 @@ void MultiResolutionImageResourceFetcher::OnURLFetchComplete(
   callback.Run(this, bitmaps);
 }
 
+void MultiResolutionImageResourceFetcher::OnRenderFrameDestruct() {
+  // Take a reference to the callback as running the callback may lead to our
+  // destruction.
+  Callback callback = callback_;
+  callback.Run(this, std::vector<SkBitmap>());
+}
+
 }  // namespace content