Begin to wean child processes off reliance on a persistent service_manager::Connection to the brows…

ui/aura/mus/window_tree_client.cc

Index: ui/aura/mus/window_tree_client.cc
diff --git a/ui/aura/mus/window_tree_client.cc b/ui/aura/mus/window_tree_client.cc
index 8b5bc8570e20a7ee089776f4be86dd79758953cb..232838d25132d9e30ed0dbe8f49707cb0dcd10df 100644
--- a/ui/aura/mus/window_tree_client.cc
+++ b/ui/aura/mus/window_tree_client.cc
@@ -205,7 +205,7 @@ WindowTreeClient::WindowTreeClient(
       io_task_runner = io_thread_->task_runner();
     }
 
-    gpu_ = ui::Gpu::Create(connector, io_task_runner);
+    gpu_ = ui::Gpu::Create(connector, ui::mojom::kServiceName, io_task_runner);
     compositor_context_factory_ =
         base::MakeUnique<MusContextFactory>(gpu_.get());
     initial_context_factory_ = Env::GetInstance()->context_factory();