[Ozone-Dri] Merge the DriWindowDelegate with the implementation

ui/ozone/platform/dri/BUILD.gn

 # 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.
 
 import("//build/config/linux/pkg_config.gni")
 import("//ui/ozone/ozone.gni")
 
 declare_args() {
   use_mesa_platform_null = false
 }
@@ skipping 27 matching lines @@
     "dri_surface.cc",
     "dri_surface.h",
     "dri_surface_factory.cc",
     "dri_surface_factory.h",
     "dri_util.cc",
     "dri_util.h",
     "dri_vsync_provider.cc",
     "dri_vsync_provider.h",
     "dri_window.cc",
     "dri_window.h",
+    "dri_window_delegate.cc",
     "dri_window_delegate.h",
-    "dri_window_delegate_impl.cc",
-    "dri_window_delegate_impl.h",
     "dri_window_delegate_manager.cc",
     "dri_window_delegate_manager.h",
     "dri_window_manager.cc",
     "dri_window_manager.h",
     "drm_device.cc",
     "drm_device.h",
     "drm_device_generator.cc",
     "drm_device_generator.h",
     "drm_device_manager.cc",
     "drm_device_manager.h",
@@ skipping 52 matching lines @@
       "//skia",
       "//ui/events/ozone:events_ozone_evdev",
       "//ui/events/ozone:events_ozone_layout",
     ]
   }
 
   source_set("dri_unittests") {
     testonly = true
     sources = [
       "dri_surface_unittest.cc",
-      "dri_window_delegate_impl_unittest.cc",
+      "dri_window_delegate_unittest.cc",
       "hardware_display_controller_unittest.cc",
       "hardware_display_plane_manager_unittest.cc",
       "screen_manager_unittest.cc",
       "test/mock_dri_wrapper.cc",
       "test/mock_dri_wrapper.h",
     ]
 
     deps = [
       "//skia",
       "//testing/gtest",
@@ skipping 35 matching lines @@
       "//ui/events/ozone:events_ozone_layout",
     ]
 
     public_configs = [ ":libgbm" ]
 
     if (use_mesa_platform_null) {
       defines += [ "USE_MESA_PLATFORM_NULL" ]
     }
   }
 }