Move navigations with POST or referrer to the shell.

mojo/services/network/http_server_apptest.cc

Index: mojo/services/network/http_server_apptest.cc
diff --git a/mojo/services/network/http_server_apptest.cc b/mojo/services/network/http_server_apptest.cc
index a17fcf137480e277984e3c7c209e5716c0482df0..80677e5d074d47438e794e6cfa1b79f6237218b0 100644
--- a/mojo/services/network/http_server_apptest.cc
+++ b/mojo/services/network/http_server_apptest.cc
@@ -381,8 +381,10 @@ class HttpServerAppTest : public test::ApplicationTestBase {
   void SetUp() override {
     ApplicationTestBase::SetUp();
 
+    mojo::URLRequestPtr request(mojo::URLRequest::New());
+    request->url = mojo::String::From("mojo:network_service");
     ApplicationConnection* connection =
-        application_impl()->ConnectToApplication("mojo:network_service");
+        application_impl()->ConnectToApplication(request.Pass());
     connection->ConnectToService(&network_service_);
   }