network service: pass PlzNavigate resulting data via mojo data pipe

content/browser/loader/navigation_url_loader_impl.cc

Index: content/browser/loader/navigation_url_loader_impl.cc
diff --git a/content/browser/loader/navigation_url_loader_impl.cc b/content/browser/loader/navigation_url_loader_impl.cc
index b10536238990e468235438b77e2ce1275e6a0c5d..4617b4634171c979c1674e2d6479f0f7c942c366 100644
--- a/content/browser/loader/navigation_url_loader_impl.cc
+++ b/content/browser/loader/navigation_url_loader_impl.cc
@@ -100,7 +100,8 @@ void NavigationURLLoaderImpl::NotifyResponseStarted(
     bool is_stream) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
-  delegate_->OnResponseStarted(response, std::move(body), ssl_status,
+  delegate_->OnResponseStarted(response, std::move(body),
+                               mojo::ScopedDataPipeConsumerHandle(), ssl_status,
                                std::move(navigation_data), request_id,
                                is_download, is_stream);
 }