Convert ConnectToApplication to take a params class

mojo/shell/application_manager_apptest_driver.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 "base/at_exit.h"
 #include "base/base_paths.h"
 #include "base/base_switches.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 25 matching lines @@
                                   public Driver {
  public:
   TargetApplicationDelegate() : app_(nullptr), weak_factory_(this) {}
   ~TargetApplicationDelegate() override {}
 
  private:
   // mojo::ApplicationDelegate:
   void Initialize(mojo::ApplicationImpl* app) override {
     app_ = app;
     mojo::shell::mojom::ApplicationManagerPtr application_manager;
-    app_->ConnectToService(mojo::URLRequest::From(std::string("mojo:shell")),
-                           &application_manager);
+    app_->ConnectToService("mojo:shell", &application_manager);
 
     base::FilePath target_path;
     CHECK(base::PathService::Get(base::DIR_EXE, &target_path));
   #if defined(OS_WIN)
     target_path = target_path.Append(
         FILE_PATH_LITERAL("application_manager_apptest_target.exe"));
   #else
     target_path = target_path.Append(
         FILE_PATH_LITERAL("application_manager_apptest_target"));
   #endif
@@ skipping 70 matching lines @@
 
 int main(int argc, char** argv) {
   base::AtExitManager at_exit;
   base::CommandLine::Init(argc, argv);
 
   mojo::runner::InitializeLogging();
 
   TargetApplicationDelegate delegate;
   return mojo::runner::TestNativeMain(&delegate);
 }