services/ui: Inject GpuService instance where needed, instead of singleton.

ui/views/mus/surface_context_factory.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/surface_context_factory.h"
 
 #include "base/memory/ptr_util.h"
 #include "cc/output/output_surface.h"
 #include "cc/resources/shared_bitmap_manager.h"
 #include "cc/surfaces/surface_id_allocator.h"
+#include "services/ui/common/gpu_service.h"
 #include "services/ui/public/cpp/output_surface.h"
 #include "services/ui/public/cpp/window.h"
 #include "ui/compositor/reflector.h"
 #include "ui/gl/gl_bindings.h"
 #include "ui/views/mus/native_widget_mus.h"
 
 namespace views {
 namespace {
 
 class FakeReflector : public ui::Reflector {
  public:
   FakeReflector() {}
   ~FakeReflector() override {}
   void OnMirroringCompositorResized() override {}
   void AddMirroringLayer(ui::Layer* layer) override {}
   void RemoveMirroringLayer(ui::Layer* layer) override {}
 };
 
 }  // namespace
 
-SurfaceContextFactory::SurfaceContextFactory()
-    : next_surface_id_namespace_(1u) {}
+SurfaceContextFactory::SurfaceContextFactory(ui::GpuService* gpu_service)
+    : next_surface_id_namespace_(1u), gpu_service_(gpu_service) {}
 
 SurfaceContextFactory::~SurfaceContextFactory() {}
 
 void SurfaceContextFactory::CreateOutputSurface(
     base::WeakPtr<ui::Compositor> compositor) {
   ui::Window* window = compositor->window();
   NativeWidgetMus* native_widget = NativeWidgetMus::GetForWindow(window);
   ui::mojom::SurfaceType surface_type = native_widget->surface_type();
-  std::unique_ptr<cc::OutputSurface> surface(
-      new ui::OutputSurface(window->RequestSurface(surface_type)));
+  std::unique_ptr<cc::OutputSurface> surface(new ui::OutputSurface(
+      gpu_service_, window->RequestSurface(surface_type)));
   compositor->SetOutputSurface(std::move(surface));
 }
 
 std::unique_ptr<ui::Reflector> SurfaceContextFactory::CreateReflector(
     ui::Compositor* mirroed_compositor,
     ui::Layer* mirroring_layer) {
   // NOTIMPLEMENTED();
   return base::WrapUnique(new FakeReflector);
 }
 
@@ skipping 43 matching lines @@
   // NOTIMPLEMENTED();
   return nullptr;
 }
 
 void SurfaceContextFactory::ResizeDisplay(ui::Compositor* compositor,
                                           const gfx::Size& size) {
   // NOTIMPLEMENTED();
 }
 
 }  // namespace views