Delete OnscreenDisplayClient and TopLevelDisplayClient.

cc/surfaces/onscreen_display_client.h

-// Copyright 2014 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 CC_SURFACES_ONSCREEN_DISPLAY_CLIENT_H_
-#define CC_SURFACES_ONSCREEN_DISPLAY_CLIENT_H_
-
-#include <memory>
-
-#include "base/compiler_specific.h"
-#include "base/macros.h"
-#include "base/memory/ref_counted.h"
-#include "cc/surfaces/display.h"
-#include "cc/surfaces/display_client.h"
-#include "cc/surfaces/surfaces_export.h"
-
-namespace base {
-class SingleThreadTaskRunner;
-}
-
-namespace cc {
-class ContextProvider;
-class DisplayScheduler;
-class SurfaceManager;
-class SurfaceDisplayOutputSurface;
-
-// This class provides a DisplayClient implementation for drawing directly to an
-// onscreen context.
-class CC_SURFACES_EXPORT OnscreenDisplayClient
-    : NON_EXPORTED_BASE(DisplayClient) {
- public:
-  OnscreenDisplayClient(std::unique_ptr<OutputSurface> output_surface,
-                        SurfaceManager* manager,
-                        SharedBitmapManager* bitmap_manager,
-                        gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager,
-                        const RendererSettings& settings,
-                        scoped_refptr<base::SingleThreadTaskRunner> task_runner,
-                        uint32_t compositor_surface_namespace);
-  ~OnscreenDisplayClient() override;
-
-  bool Initialize();
-  Display* display() { return display_.get(); }
-  void set_surface_output_surface(SurfaceDisplayOutputSurface* surface) {
-    surface_display_output_surface_ = surface;
-  }
-
-  // DisplayClient implementation.
-  void OutputSurfaceLost() override;
-  void SetMemoryPolicy(const ManagedMemoryPolicy& policy) override;
-
-  bool output_surface_lost() { return output_surface_lost_; }
-
- protected:
-  std::unique_ptr<OutputSurface> output_surface_;
-  // Be careful of destruction order:
-  // Display depends on DisplayScheduler depends on *BeginFrameSource
-  // depends on TaskRunner.
-  scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
-  std::unique_ptr<Display> display_;
-  SurfaceDisplayOutputSurface* surface_display_output_surface_;
-  bool output_surface_lost_;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(OnscreenDisplayClient);
-};
-
-}  // namespace cc
-
-#endif  // CC_SURFACES_ONSCREEN_DISPLAY_CLIENT_H_