Delete old Ozone surface creation API.

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 20 matching lines @@
         'gl_initializer_win.cc',
         'gl_initializer_x11.cc',
         'gl_factory.cc',
         'gl_factory.h',
         'gl_factory_android.cc',
         'gl_factory_mac.cc',
         'gl_factory_ozone.cc',
         'gl_factory_win.cc',
         'gl_factory_x11.cc',
         'gl_init_export.h',
-        'gl_surface_ozone.cc',
-        'gl_surface_ozone.h',
       ],
       'conditions': [
         ['OS=="mac"', {
           'link_settings': {
             'libraries': [
               '$(SDKROOT)/System/Library/Frameworks/OpenGL.framework',
             ],
           },
         }],
         ['OS=="win"', {
@@ skipping 22 matching lines @@
           'dependencies': [
             '../../ozone/gl/ozone_gl.gyp:ozone_gl',
             '../../ozone/ozone.gyp:ozone',
             '../../ozone/ozone.gyp:ozone_base',
           ],
         }],
       ],
     },
   ],
 }