mojo: Convert gles2 to the new thunking system

mojo/mojo_services.gypi

Index: mojo/mojo_services.gypi
diff --git a/mojo/mojo_services.gypi b/mojo/mojo_services.gypi
index 5572beb93136d01d83d6882deeb0b3d5f887b134..3807bd95f17819e73735a80a043221abd314c377 100644
--- a/mojo/mojo_services.gypi
+++ b/mojo/mojo_services.gypi
@@ -195,43 +195,6 @@
       ],
     },
     {
-      # GN version: //mojo/public/gles2
-      'target_name': 'mojo_gles2',
-      'type': 'shared_library',
-      'defines': [
-        'MOJO_GLES2_IMPLEMENTATION',
-        'GLES2_USE_MOJO',
-      ],
-      'include_dirs': [
-        '..',
-      ],
-      'dependencies': [
-        '../third_party/khronos/khronos.gyp:khronos_headers'
-      ],
-      'direct_dependent_settings': {
-        'include_dirs': [
-          '..',
-        ],
-        'defines': [
-          'GLES2_USE_MOJO',
-        ],
-      },
-      'sources': [
-        'public/c/gles2/gles2.h',
-        'public/c/gles2/gles2_export.h',
-        'public/gles2/gles2_private.cc',
-        'public/gles2/gles2_private.h',
-      ],
-      'conditions': [
-        ['OS=="mac"', {
-          'xcode_settings': {
-            # Make it a run-path dependent library.
-            'DYLIB_INSTALL_NAME_BASE': '@loader_path',
-          },
-        }],
-      ],
-    },
-    {
       # GN version: //mojo/services/gles2:interfaces (for files generated from
       # the mojom file)
       # GN version: //mojo/services/gles2:bindings
@@ -710,12 +673,12 @@
             'mojo_environment_chromium',
             'mojo_geometry_bindings',
             'mojo_geometry_lib',
-            'mojo_gles2',
             'mojo_input_events_bindings',
             'mojo_input_events_lib',
             'mojo_native_viewport_bindings',
             'mojo_view_manager_bindings',
             'mojo_view_manager_common',
+            '<(mojo_gles2_for_component)',
             '<(mojo_system_for_component)',
           ],
           'sources': [