mus-gpu: Include GpuPreferences when requesting for GpuService.

services/ui/ws/gpu_host.cc

Index: services/ui/ws/gpu_host.cc
diff --git a/services/ui/ws/gpu_host.cc b/services/ui/ws/gpu_host.cc
index 783049423e784a1d3c0d327e474f33abd39a7ca5..bfa771d2719096c64545be4756218e0c0cb422b4 100644
--- a/services/ui/ws/gpu_host.cc
+++ b/services/ui/ws/gpu_host.cc
@@ -107,8 +107,13 @@ GpuHost::GpuHost(GpuHostDelegate* delegate)
   //   connector->BindInterface("gpu", &gpu_main_);
   gpu_main_impl_ = base::MakeUnique<GpuMain>(MakeRequest(&gpu_main_));
   gpu_main_impl_->OnStart();
+
+  // TODO(sad): Correctly initialize gpu::GpuPreferences (like it is initialized
+  // in GpuProcessHost::Init()).
+  gpu::GpuPreferences preferences;
   gpu_main_->CreateGpuService(MakeRequest(&gpu_service_),
-                              gpu_host_binding_.CreateInterfacePtrAndBind());
+                              gpu_host_binding_.CreateInterfacePtrAndBind(),
+                              preferences);
   gpu_memory_buffer_manager_ = base::MakeUnique<ServerGpuMemoryBufferManager>(
       gpu_service_.get(), next_client_id_++);
 }