[8/8][Ozone-Dri] Pass DRM FD to GPU process on hotplug event

ui/ozone/platform/dri/ozone_platform_dri.cc

 // Copyright 2013 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/ozone_platform_dri.h"
 
 #include "base/at_exit.h"
 #include "ui/base/cursor/ozone/bitmap_cursor_factory_ozone.h"
 #include "ui/events/ozone/device/device_manager.h"
 #include "ui/events/ozone/evdev/cursor_delegate_evdev.h"
 #include "ui/events/ozone/evdev/event_factory_evdev.h"
 #include "ui/events/ozone/layout/keyboard_layout_engine_manager.h"
 #include "ui/ozone/platform/dri/display_manager.h"
 #include "ui/ozone/platform/dri/dri_buffer.h"
 #include "ui/ozone/platform/dri/dri_cursor.h"
 #include "ui/ozone/platform/dri/dri_gpu_platform_support.h"
 #include "ui/ozone/platform/dri/dri_gpu_platform_support_host.h"
 #include "ui/ozone/platform/dri/dri_surface_factory.h"
 #include "ui/ozone/platform/dri/dri_util.h"
 #include "ui/ozone/platform/dri/dri_window.h"
 #include "ui/ozone/platform/dri/dri_window_delegate_impl.h"
 #include "ui/ozone/platform/dri/dri_window_delegate_manager.h"
 #include "ui/ozone/platform/dri/dri_window_manager.h"
 #include "ui/ozone/platform/dri/dri_wrapper.h"
+#include "ui/ozone/platform/dri/drm_device_generator.h"
 #include "ui/ozone/platform/dri/drm_device_manager.h"
 #include "ui/ozone/platform/dri/native_display_delegate_dri.h"
 #include "ui/ozone/platform/dri/native_display_delegate_proxy.h"
 #include "ui/ozone/platform/dri/screen_manager.h"
 #include "ui/ozone/public/ozone_platform.h"
 #include "ui/ozone/public/ui_thread_gpu.h"
 
 #if defined(USE_XKBCOMMON)
 #include "ui/events/ozone/layout/xkb/xkb_evdev_codes.h"
 #include "ui/events/ozone/layout/xkb/xkb_keyboard_layout_engine.h"
@@ skipping 55 matching lines @@
   }
   void InitializeUI() override {
     dri_->Initialize();
     // This makes sure that simple targets that do not handle display
     // configuration can still use the primary display.
     ForceInitializationOfPrimaryDisplay(dri_, screen_manager_.get());
     drm_device_manager_.reset(new DrmDeviceManager(dri_));
     display_manager_.reset(new DisplayManager());
     surface_factory_ozone_.reset(
         new DriSurfaceFactory(&window_delegate_manager_));
-    scoped_ptr<NativeDisplayDelegateDri> ndd(
-        new NativeDisplayDelegateDri(screen_manager_.get(), dri_));
+    scoped_ptr<NativeDisplayDelegateDri> ndd(new NativeDisplayDelegateDri(
+        screen_manager_.get(), dri_,
+        scoped_ptr<DrmDeviceGenerator>(new DrmDeviceGenerator())));
     gpu_platform_support_.reset(new DriGpuPlatformSupport(
         drm_device_manager_.get(), &window_delegate_manager_,
         screen_manager_.get(), ndd.Pass()));
     gpu_platform_support_host_.reset(new DriGpuPlatformSupportHost());
     window_manager_.reset(new DriWindowManager());
     cursor_factory_ozone_.reset(new BitmapCursorFactoryOzone);
     cursor_.reset(
         new DriCursor(window_manager_.get(), gpu_platform_support_host_.get()));
     cursor_->Init();
 #if defined(USE_XKBCOMMON)
@@ skipping 42 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(OzonePlatformDri);
 };
 
 }  // namespace
 
 OzonePlatform* CreateOzonePlatformDri() {
   return new OzonePlatformDri;
 }
 
 }  // namespace ui