Use Associated interfaces for mojo-loading

content/child/resource_dispatcher_unittest.cc

Index: content/child/resource_dispatcher_unittest.cc
diff --git a/content/child/resource_dispatcher_unittest.cc b/content/child/resource_dispatcher_unittest.cc
index c7bedc43c84ff08d59cf7a36d70aedbc757b2813..b4a2b20f19649d480fef772ccee5fb01d06ff24b 100644
--- a/content/child/resource_dispatcher_unittest.cc
+++ b/content/child/resource_dispatcher_unittest.cc
@@ -340,7 +340,7 @@ class ResourceDispatcherTest : public testing::Test, public IPC::Sender {
         new TestRequestPeer(dispatcher(), peer_context));
     int request_id = dispatcher()->StartAsync(
         std::move(request), 0, nullptr, GURL(), std::move(peer),
-        blink::WebURLRequest::LoadingIPCType::ChromeIPC, nullptr);
+        blink::WebURLRequest::LoadingIPCType::ChromeIPC, nullptr, nullptr);
     peer_context->request_id = request_id;
     return request_id;
   }