[Ozone-DRI] Remove unneeded wrappers

ui/ozone/platform/dri/gbm_surfaceless.cc

+// 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.
+
+#include "ui/ozone/platform/dri/gbm_surfaceless.h"
+
+#include "ui/ozone/platform/dri/dri_vsync_provider.h"
+#include "ui/ozone/platform/dri/gbm_buffer.h"
+
+namespace ui {
+
+GbmSurfaceless::GbmSurfaceless(
+    const base::WeakPtr<HardwareDisplayController>& controller)
+    : controller_(controller) {}
+
+GbmSurfaceless::~GbmSurfaceless() {}
+
+intptr_t GbmSurfaceless::GetNativeWindow() {
+  NOTREACHED();
+  return 0;
+}
+
+bool GbmSurfaceless::ResizeNativeWindow(const gfx::Size& viewport_size) {
+  NOTIMPLEMENTED();
+  return false;
+}
+
+bool GbmSurfaceless::OnSwapBuffers() {
+  if (!controller_)
+    return false;
+
+  bool success = controller_->SchedulePageFlip(queued_planes_);
+  queued_planes_.clear();
+  if (success)
+    controller_->WaitForPageFlipEvent();
+
+  return success;
+}
+
+scoped_ptr<gfx::VSyncProvider> GbmSurfaceless::CreateVSyncProvider() {
+  return scoped_ptr<gfx::VSyncProvider>(new DriVSyncProvider(controller_));
+}
+
+bool GbmSurfaceless::ScheduleOverlayPlane(
+    int plane_z_order,
+    gfx::OverlayTransform plane_transform,
+    scoped_refptr<ui::NativePixmap> buffer,
+    const gfx::Rect& display_bounds,
+    const gfx::RectF& crop_rect) {
+  scoped_refptr<GbmPixmap> pixmap =
+      static_cast<GbmPixmap*>(buffer.get());
+  if (!pixmap) {
+    LOG(ERROR) << "ScheduleOverlayPlane passed NULL buffer.";
+    return false;
+  }
+
+  queued_planes_.push_back(OverlayPlane(pixmap->buffer(),
+                                        plane_z_order,
+                                        plane_transform,
+                                        display_bounds,
+                                        crop_rect));
+  return true;
+}
+
+}  // namespace ui