Convert ConnectToApplication to take a params class

ui/views/mus/window_manager_connection.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 "ui/views/mus/window_manager_connection.h"
 
 #include "base/lazy_instance.h"
 #include "base/threading/thread_local.h"
 #include "components/mus/public/cpp/window_tree_connection.h"
 #include "components/mus/public/interfaces/window_tree.mojom.h"
@@ skipping 103 matching lines @@
   mus::WindowTreeConnection* window_tree_connection =
       mus::WindowTreeConnection::Create(
           this, window_tree_client_request.Pass(),
           mus::WindowTreeConnection::CreateType::WAIT_FOR_EMBED);
   DCHECK(window_tree_connection->GetRoot());
   return window_tree_connection->GetRoot();
 }
 
 WindowManagerConnection::WindowManagerConnection(mojo::ApplicationImpl* app)
     : app_(app) {
-  app->ConnectToService(mojo::URLRequest::From(std::string("mojo:mus")),
-                        &window_manager_);
+  app->ConnectToService("mojo:mus", &window_manager_);
 
   ui_init_.reset(new ui::mojo::UIInit(
       GetDisplaysFromWindowManager(&window_manager_)));
   ViewsDelegate::GetInstance()->set_native_widget_factory(
       base::Bind(&WindowManagerConnection::CreateNativeWidget,
                  base::Unretained(this)));
 }
 
 WindowManagerConnection::~WindowManagerConnection() {}
 
 void WindowManagerConnection::OnEmbed(mus::Window* root) {}
 void WindowManagerConnection::OnConnectionLost(
     mus::WindowTreeConnection* connection) {}
 
 NativeWidget* WindowManagerConnection::CreateNativeWidget(
     const Widget::InitParams& init_params,
     internal::NativeWidgetDelegate* delegate) {
   std::map<std::string, std::vector<uint8_t>> properties;
   NativeWidgetMus::ConfigurePropertiesForNewWindow(init_params, &properties);
   return new NativeWidgetMus(delegate, app_->shell(), NewWindow(properties),
                              mus::mojom::SURFACE_TYPE_DEFAULT);
 }
 
 }  // namespace views