Invalidate WeakPtrs of ResourceMessageFilter on channel shutdown

content/browser/loader/url_loader_factory_impl_unittest.cc

Index: content/browser/loader/url_loader_factory_impl_unittest.cc
diff --git a/content/browser/loader/url_loader_factory_impl_unittest.cc b/content/browser/loader/url_loader_factory_impl_unittest.cc
index 39eb1dce99a5ef6fd38c5f3cc1ce66590d4e300d..97f81a3f83baffe065a8131a917f5d6bee7944bb 100644
--- a/content/browser/loader/url_loader_factory_impl_unittest.cc
+++ b/content/browser/loader/url_loader_factory_impl_unittest.cc
@@ -110,6 +110,7 @@ class URLLoaderFactoryImplTest : public ::testing::TestWithParam<size_t> {
     rdh_.SetDelegate(nullptr);
     net::URLRequestFilter::GetInstance()->ClearHandlers();
 
+    resource_message_filter_->OnChannelClosing();
     rdh_.CancelRequestsForProcess(resource_message_filter_->child_id());
     base::RunLoop().RunUntilIdle();
     MojoAsyncResourceHandler::SetAllocationSizeForTesting(