[Ozone-Drm] Move DRM utilities from gpu/ to common/

ui/ozone/platform/drm/gpu/screen_manager.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/drm/gpu/screen_manager.h"
 
 #include <xf86drmMode.h>
 
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "ui/gfx/geometry/point.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/geometry/size.h"
+#include "ui/ozone/platform/drm/common/drm_util.h"
 #include "ui/ozone/platform/drm/gpu/crtc_controller.h"
 #include "ui/ozone/platform/drm/gpu/drm_console_buffer.h"
 #include "ui/ozone/platform/drm/gpu/drm_device.h"
-#include "ui/ozone/platform/drm/gpu/drm_util.h"
 #include "ui/ozone/platform/drm/gpu/drm_window.h"
 #include "ui/ozone/platform/drm/gpu/hardware_display_controller.h"
 #include "ui/ozone/platform/drm/gpu/scanout_buffer.h"
 
 namespace ui {
 
 namespace {
 
 // Copies the contents of the saved framebuffer from the CRTCs in |controller|
 // to the new modeset buffer |buffer|.
@@ skipping 328 matching lines @@
 DrmWindow* ScreenManager::FindWindowAt(const gfx::Rect& bounds) const {
   for (auto pair : window_map_) {
     if (pair.second->bounds() == bounds)
       return pair.second;
   }
 
   return nullptr;
 }
 
 }  // namespace ui