Revert of services/ui: Revert CLs that broke Windows.

services/ui/ws/frame_generator.h

 // Copyright 2016 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.
 
 #ifndef SERVICES_UI_WS_FRAME_GENERATOR_H_
 #define SERVICES_UI_WS_FRAME_GENERATOR_H_
 
 #include <memory>
 
 #include "base/macros.h"
 #include "base/timer/timer.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/native_widget_types.h"
 
 namespace cc {
 class CompositorFrame;
 class CopyOutputRequest;
 class RenderPass;
 }
 
 namespace ui {
 
 class DisplayCompositor;
-class GpuState;
 class SurfacesState;
 
 namespace ws {
 
 namespace test {
 class FrameGeneratorTest;
 }
 
 class FrameGeneratorDelegate;
 class ServerWindow;
 
 // Responsible for redrawing the display in response to the redraw requests by
 // submitting CompositorFrames to the owned DisplayCompositor.
 class FrameGenerator {
  public:
   FrameGenerator(FrameGeneratorDelegate* delegate,
-                 scoped_refptr<GpuState> gpu_state,
                  scoped_refptr<SurfacesState> surfaces_state);
   virtual ~FrameGenerator();
 
   // Schedules a redraw for the provided region.
   void RequestRedraw(const gfx::Rect& redraw_region);
   void OnAcceleratedWidgetAvailable(gfx::AcceleratedWidget widget);
   void RequestCopyOfOutput(
       std::unique_ptr<cc::CopyOutputRequest> output_request);
 
   bool is_frame_pending() { return frame_pending_; }
@@ skipping 17 matching lines @@
   cc::CompositorFrame GenerateCompositorFrame();
 
   // DrawWindowTree recursively visits ServerWindows, creating a SurfaceDrawQuad
   // for each that lacks one.
   void DrawWindowTree(cc::RenderPass* pass,
                       ServerWindow* window,
                       const gfx::Vector2d& parent_to_root_origin_offset,
                       float opacity);
 
   FrameGeneratorDelegate* delegate_;
-  scoped_refptr<GpuState> gpu_state_;
   scoped_refptr<SurfacesState> surfaces_state_;
 
   std::unique_ptr<DisplayCompositor> display_compositor_;
 
   // The region that needs to be redrawn next time the compositor frame is
   // generated.
   gfx::Rect dirty_rect_;
   base::Timer draw_timer_;
   bool frame_pending_ = false;
 
   base::WeakPtrFactory<FrameGenerator> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(FrameGenerator);
 };
 
 }  // namespace ws
 
 }  // namespace ui
 
 #endif  // SERVICES_UI_WS_FRAME_GENERATOR_H_