Convert additional ozone/drm callbacks to OnceCallback

ui/ozone/platform/drm/gpu/drm_window_proxy.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/ozone/platform/drm/gpu/drm_window_proxy.h"
 
 #include "ui/ozone/platform/drm/gpu/drm_thread.h"
 #include "ui/ozone/platform/drm/gpu/overlay_plane.h"
 #include "ui/ozone/platform/drm/gpu/proxy_helpers.h"
 #include "ui/ozone/platform/drm/gpu/scanout_buffer.h"
 
 namespace ui {
 
 DrmWindowProxy::DrmWindowProxy(gfx::AcceleratedWidget widget,
                                DrmThread* drm_thread)
     : widget_(widget), drm_thread_(drm_thread) {}
 
 DrmWindowProxy::~DrmWindowProxy() {}
 
 void DrmWindowProxy::SchedulePageFlip(const std::vector<OverlayPlane>& planes,
-                                      const SwapCompletionCallback& callback) {
+                                      SwapCompletionOnceCallback callback) {
+  auto safe_callback = CreateSafeOnceCallback(std::move(callback));
   drm_thread_->task_runner()->PostTask(
-      FROM_HERE,
-      base::Bind(&DrmThread::SchedulePageFlip, base::Unretained(drm_thread_),
-                 widget_, planes, CreateSafeCallback(callback)));
+      FROM_HERE, base::BindOnce(&DrmThread::SchedulePageFlip,
+                                base::Unretained(drm_thread_), widget_, planes,
+                                std::move(safe_callback)));
 }
 
 void DrmWindowProxy::GetVSyncParameters(
     const gfx::VSyncProvider::UpdateVSyncCallback& callback) {
   drm_thread_->task_runner()->PostTask(
       FROM_HERE,
       base::Bind(&DrmThread::GetVSyncParameters, base::Unretained(drm_thread_),
                  widget_, CreateSafeCallback(callback)));
 }
 
 }  // namespace ui