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

ui/ozone/platform/drm/gpu/drm_gpu_display_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/drm_gpu_display_manager.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/file_descriptor_posix.h"
 #include "base/files/file.h"
 #include "base/single_thread_task_runner.h"
 #include "ui/display/types/gamma_ramp_rgb_entry.h"
 #include "ui/display/types/native_display_observer.h"
 #include "ui/events/ozone/device/device_event.h"
 #include "ui/ozone/common/display_util.h"
+#include "ui/ozone/platform/drm/common/drm_util.h"
 #include "ui/ozone/platform/drm/gpu/drm_device.h"
 #include "ui/ozone/platform/drm/gpu/drm_device_manager.h"
 #include "ui/ozone/platform/drm/gpu/drm_display_mode.h"
 #include "ui/ozone/platform/drm/gpu/drm_display_snapshot.h"
-#include "ui/ozone/platform/drm/gpu/drm_util.h"
 #include "ui/ozone/platform/drm/gpu/screen_manager.h"
 #include "ui/ozone/public/ozone_switches.h"
 
 namespace ui {
 
 namespace {
 
 const char kContentProtection[] = "Content Protection";
 
 struct ContentProtectionMapping {
@@ skipping 343 matching lines @@
 
     if (it == old_displays.end()) {
       screen_manager_->AddDisplayController(new_displays[i]->drm(),
                                             new_displays[i]->crtc(),
                                             new_displays[i]->connector());
     }
   }
 }
 
 }  // namespace ui