Convert ozone/drm to OnceCallback

ui/ozone/platform/drm/gpu/drm_thread.h

 // 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.
 
 #ifndef UI_OZONE_PLATFORM_DRM_GPU_DRM_THREAD_H_
 #define UI_OZONE_PLATFORM_DRM_GPU_DRM_THREAD_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 74 matching lines @@
   void SetWindowBounds(gfx::AcceleratedWidget widget, const gfx::Rect& bounds);
   void SetCursor(const gfx::AcceleratedWidget& widget,
                  const std::vector<SkBitmap>& bitmaps,
                  const gfx::Point& location,
                  int32_t frame_delay_ms) override;
   void MoveCursor(const gfx::AcceleratedWidget& widget,
                   const gfx::Point& location) override;
   void CheckOverlayCapabilities(
       gfx::AcceleratedWidget widget,
       const std::vector<OverlayCheck_Params>& overlays,
-      const base::Callback<void(gfx::AcceleratedWidget,
-                                const std::vector<OverlayCheck_Params>&)>&
+      base::OnceCallback<void(gfx::AcceleratedWidget,
+                              const std::vector<OverlayCheck_Params>&)>
           callback);
   void RefreshNativeDisplays(
-      const base::Callback<void(const std::vector<DisplaySnapshot_Params>&)>&
+      base::OnceCallback<void(const std::vector<DisplaySnapshot_Params>&)>
           callback);
-  void ConfigureNativeDisplay(
-      int64_t id,
-      const DisplayMode_Params& mode,
-      const gfx::Point& origin,
-      const base::Callback<void(int64_t, bool)>& callback);
-  void DisableNativeDisplay(
-      int64_t id,
-      const base::Callback<void(int64_t, bool)>& callback);
-  void TakeDisplayControl(const base::Callback<void(bool)>& callback);
-  void RelinquishDisplayControl(const base::Callback<void(bool)>& callback);
+  void ConfigureNativeDisplay(int64_t id,
+                              const DisplayMode_Params& mode,
+                              const gfx::Point& origin,
+                              base::OnceCallback<void(int64_t, bool)> callback);
+  void DisableNativeDisplay(int64_t id,
+                            base::OnceCallback<void(int64_t, bool)> callback);
+  void TakeDisplayControl(base::OnceCallback<void(bool)> callback);
+  void RelinquishDisplayControl(base::OnceCallback<void(bool)> callback);
   void AddGraphicsDevice(const base::FilePath& path,
                          const base::FileDescriptor& fd);
   void RemoveGraphicsDevice(const base::FilePath& path);
   void GetHDCPState(
       int64_t display_id,
-      const base::Callback<void(int64_t, bool, display::HDCPState)>& callback);
+      base::OnceCallback<void(int64_t, bool, display::HDCPState)> callback);
   void SetHDCPState(int64_t display_id,
                     display::HDCPState state,
-                    const base::Callback<void(int64_t, bool)>& callback);
+                    base::OnceCallback<void(int64_t, bool)> callback);
   void SetColorCorrection(
       int64_t display_id,
       const std::vector<display::GammaRampRGBEntry>& degamma_lut,
       const std::vector<display::GammaRampRGBEntry>& gamma_lut,
       const std::vector<float>& correction_matrix);
 
   // base::Thread:
   void Init() override;
 
   // Mojo support for DeviceCursorRequest.
   void AddBinding(ozone::mojom::DeviceCursorRequest request);
 
  private:
   std::unique_ptr<DrmDeviceManager> device_manager_;
   std::unique_ptr<ScanoutBufferGenerator> buffer_generator_;
   std::unique_ptr<ScreenManager> screen_manager_;
   std::unique_ptr<DrmGpuDisplayManager> display_manager_;
 
   // The mojo implementation requires a BindingSet because the DrmThread serves
   // requests from two different client threads.
   mojo::BindingSet<ozone::mojom::DeviceCursor> bindings_;
 
   DISALLOW_COPY_AND_ASSIGN(DrmThread);
 };
 
 }  // namespace ui
 
 #endif  // UI_OZONE_PLATFORM_DRM_GPU_DRM_THREAD_H_