network service: pass PlzNavigate resulting data via mojo data pipe

content/test/test_navigation_url_loader_delegate.h

Index: content/test/test_navigation_url_loader_delegate.h
diff --git a/content/test/test_navigation_url_loader_delegate.h b/content/test/test_navigation_url_loader_delegate.h
index ddc14027bb2393c416aa9939db71de4a7dc8fcf4..1916f3f3f8112a3ccdc819dff210ad407a3ae46f 100644
--- a/content/test/test_navigation_url_loader_delegate.h
+++ b/content/test/test_navigation_url_loader_delegate.h
@@ -11,6 +11,7 @@
 #include "base/memory/ref_counted.h"
 #include "base/time/time.h"
 #include "content/browser/loader/navigation_url_loader_delegate.h"
+#include "mojo/public/cpp/system/data_pipe.h"
 #include "net/url_request/redirect_info.h"
 
 namespace base {
@@ -56,6 +57,7 @@ class TestNavigationURLLoaderDelegate : public NavigationURLLoaderDelegate {
       const scoped_refptr<ResourceResponse>& response) override;
   void OnResponseStarted(const scoped_refptr<ResourceResponse>& response,
                          std::unique_ptr<StreamHandle> body,
+                         mojo::ScopedDataPipeConsumerHandle consumer_handle,
                          const SSLStatus& ssl_status,
                          std::unique_ptr<NavigationData> navigation_data,
                          const GlobalRequestID& request_id,
@@ -69,6 +71,7 @@ class TestNavigationURLLoaderDelegate : public NavigationURLLoaderDelegate {
   scoped_refptr<ResourceResponse> redirect_response_;
   scoped_refptr<ResourceResponse> response_;
   std::unique_ptr<StreamHandle> body_;
+  mojo::ScopedDataPipeConsumerHandle handle_;
   int net_error_;
   int on_request_handled_counter_;