Cancel URLRequest with an appropriate code when WebSocket handshake succeeds

net/websockets/websocket_test_util.h

Index: net/websockets/websocket_test_util.h
diff --git a/net/websockets/websocket_test_util.h b/net/websockets/websocket_test_util.h
index 60831462771eae60f267cf0b37f18645dc0c54c5..23769404aa8809cf544ed38bd845f4f7431cbc2f 100644
--- a/net/websockets/websocket_test_util.h
+++ b/net/websockets/websocket_test_util.h
@@ -126,6 +126,10 @@ struct WebSocketTestURLRequestContextHost {
   // returned pointer remains owned by this object.
   TestURLRequestContext* GetURLRequestContext();
 
+  const TestNetworkDelegate& network_delegate() const {
+    return network_delegate_;
+  }
+
  private:
   WebSocketMockClientSocketFactoryMaker maker_;
   TestURLRequestContext url_request_context_;