Convert ConnectToApplication to take a params class

components/html_viewer/layout_test_html_viewer.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/html_viewer/layout_test_html_viewer.h"
 
 #include "components/html_viewer/global_state.h"
 #include "components/html_viewer/layout_test_content_handler_impl.h"
 #include "components/test_runner/web_test_interfaces.h"
 #include "components/web_view/test_runner/public/interfaces/layout_test_runner.mojom.h"
@@ skipping 19 matching lines @@
 
   // Always expose GC to layout tests.
   std::string flags("--expose-gc");
   v8::V8::SetFlagsFromString(flags.c_str(), static_cast<int>(flags.size()));
 }
 
 void LayoutTestHTMLViewer::TestFinished() {
   test_interfaces_->ResetAll();
 
   web_view::LayoutTestRunnerPtr test_runner_ptr;
-  mojo::URLRequestPtr request(mojo::URLRequest::New());
-  request->url = mojo::String::From("mojo:web_view_test_runner");
-  app()->ConnectToService(request.Pass(), &test_runner_ptr);
+  app()->ConnectToService("mojo:web_view_test_runner", &test_runner_ptr);
   test_runner_ptr->TestFinished();
 }
 
 void LayoutTestHTMLViewer::Create(
     mojo::ApplicationConnection* connection,
     mojo::InterfaceRequest<mojo::ContentHandler> request) {
   new LayoutTestContentHandlerImpl(global_state(), app(), request.Pass(),
                                    test_interfaces_.get(),
                                    &test_delegate_);
 }
 
 }  // namespace html_viewer