Convert additional ozone/drm callbacks to OnceCallback

ui/ozone/platform/drm/gpu/drm_window_proxy.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_WINDOW_PROXY_H_
 #define UI_OZONE_PLATFORM_DRM_GPU_DRM_WINDOW_PROXY_H_
 
 #include <vector>
 
 #include "base/macros.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gfx/vsync_provider.h"
 #include "ui/ozone/public/swap_completion_callback.h"
 
 namespace ui {
 
 class DrmThread;
 struct OverlayPlane;
 
 class DrmWindowProxy {
  public:
   DrmWindowProxy(gfx::AcceleratedWidget widget, DrmThread* drm_thread);
   ~DrmWindowProxy();
 
   gfx::AcceleratedWidget widget() const { return widget_; }
 
   void SchedulePageFlip(const std::vector<OverlayPlane>& planes,
-                        const SwapCompletionCallback& callback);
+                        SwapCompletionOnceCallback callback);
 
   void GetVSyncParameters(
       const gfx::VSyncProvider::UpdateVSyncCallback& callback);
 
  private:
   gfx::AcceleratedWidget widget_;
 
   DrmThread* drm_thread_;
 
   DISALLOW_COPY_AND_ASSIGN(DrmWindowProxy);
 };
 
 }  // namespace ui
 
 #endif  // UI_OZONE_PLATFORM_DRM_GPU_DRM_WINDOW_PROXY_H_