Invalidate WeakPtrs of ResourceMessageFilter on channel shutdown

content/browser/loader/url_loader_factory_impl_unittest.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/loader/url_loader_factory_impl.h"
 
 #include <stdint.h>
 
 #include <memory>
 #include <string>
@@ skipping 92 matching lines @@
 
     // Calling this function creates a request context.
     browser_context_->GetResourceContext()->GetRequestContext();
     base::RunLoop().RunUntilIdle();
   }
 
   ~URLLoaderFactoryImplTest() override {
     rdh_.SetDelegate(nullptr);
     net::URLRequestFilter::GetInstance()->ClearHandlers();
 
+    resource_message_filter_->OnChannelClosing();
     rdh_.CancelRequestsForProcess(resource_message_filter_->child_id());
     base::RunLoop().RunUntilIdle();
     MojoAsyncResourceHandler::SetAllocationSizeForTesting(
         MojoAsyncResourceHandler::kDefaultAllocationSize);
   }
 
   void GetContexts(ResourceType resource_type,
                    ResourceContext** resource_context,
                    net::URLRequestContext** request_context) {
     *resource_context = browser_context_->GetResourceContext();
@@ skipping 296 matching lines @@
   ASSERT_FALSE(rdh_.GetURLRequest(GlobalRequestID(kChildId, kRequestId)));
 }
 
 INSTANTIATE_TEST_CASE_P(URLLoaderFactoryImplTest,
                         URLLoaderFactoryImplTest,
                         ::testing::Values(128, 32 * 1024));
 
 }  // namespace
 
 }  // namespace content