Android: correctly reset report_all_root_scrolls after renderer crash

Bug: 1144109
Change-Id: I2b61d941b7538cbb504e2b8bab87b9ff2091169a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2520201Reviewed-by: Scott Violet <sky@chromium.org>
Commit-Queue: Evan Stade <estade@chromium.org>
Cr-Commit-Position: refs/heads/master@{#824578}

content/browser/renderer_host/render_frame_metadata_provider_impl.cc

@@ -35,6 +35,9 @@ void RenderFrameMetadataProviderImpl::Bind(
   render_frame_metadata_observer_client_receiver_.Bind(
       std::move(client_receiver), task_runner_);
 
+  // Reset on disconnect so that pending state will be correctly stored and
+  // later forwarded in the case of a renderer crash.
+  render_frame_metadata_observer_remote_.reset_on_disconnect();
 #if defined(OS_ANDROID)
   if (pending_report_all_root_scrolls_.has_value()) {
     ReportAllRootScrolls(*pending_report_all_root_scrolls_);