Media Remoting: Draw remoting interstitial on poster image.

content/renderer/fetchers/multi_resolution_image_resource_fetcher.h

Index: content/renderer/fetchers/multi_resolution_image_resource_fetcher.h
diff --git a/content/renderer/fetchers/multi_resolution_image_resource_fetcher.h b/content/renderer/fetchers/multi_resolution_image_resource_fetcher.h
index 4325f8f04b3197e69bd44933e5638189605398b4..3593d1deb5d2776f87b9db657a7d704ee6367757 100644
--- a/content/renderer/fetchers/multi_resolution_image_resource_fetcher.h
+++ b/content/renderer/fetchers/multi_resolution_image_resource_fetcher.h
@@ -52,6 +52,9 @@ class MultiResolutionImageResourceFetcher {
   // HTTP status code upon fetch completion.
   int http_status_code() const { return http_status_code_; }
 
+  // Called when associated RenderFrame is destructed.
+  void OnRenderFrameDestruct();
+
  private:
   // ResourceFetcher::Callback. Decodes the image and invokes callback_.
   void OnURLFetchComplete(const blink::WebURLResponse& response,