Remove GetPlatformDefaultEGLNativeDisplay() function.

ui/gl/init/gl_init.gyp

 # Copyright 2016 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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
 
   'targets': [
@@ skipping 31 matching lines @@
         'gl_surface_ozone.h',
       ],
       'conditions': [
         ['OS=="mac"', {
           'link_settings': {
             'libraries': [
               '$(SDKROOT)/System/Library/Frameworks/OpenGL.framework',
             ],
           },
         }],
+        ['OS=="win"', {
+          'msvs_settings': {
+            'VCLinkerTool': {
+              'DelayLoadDLLs': [
+                'dwmapi.dll',
+              ],
+              'AdditionalDependencies': [
+                'dwmapi.lib',
+              ],
+            },
+          },
+          'link_settings': {
+            'libraries': [
+              '-ldwmapi.lib',
+            ],
+          },
+        }],
+        ['use_x11 == 1', {
+          'dependencies': [
+            '../../gfx/x/gfx_x11.gyp:gfx_x11',
+          ],
+        }],
         ['use_ozone==1', {
           'dependencies': [
             '../../ozone/ozone.gyp:ozone',
             '../../ozone/ozone.gyp:ozone_base',
           ],
         }],
       ],
     },
   ],
 }