Use C OpenGL interface in mojo::GLContext

mojo/public/c/gles2/gles2_call_visitor_chromium_sub_image_autogen.h

Index: mojo/public/c/gles2/gles2_call_visitor_chromium_sub_image_autogen.h
diff --git a/mojo/public/c/gles2/gles2_call_visitor_chromium_sub_image_autogen.h b/mojo/public/c/gles2/gles2_call_visitor_chromium_sub_image_autogen.h
deleted file mode 100644
index c10f29f08d32acf1d94cc87eec746528b6bbf9a3..0000000000000000000000000000000000000000
--- a/mojo/public/c/gles2/gles2_call_visitor_chromium_sub_image_autogen.h
+++ /dev/null
@@ -1,24 +0,0 @@
-// 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.
-
-// This file is auto-generated from
-// gpu/command_buffer/build_gles2_cmd_buffer.py
-// It's formatted by clang-format using chromium coding style:
-//    clang-format -i -style=chromium filename
-// DO NOT EDIT!
-
-VISIT_GL_CALL(
-    MapTexSubImage2DCHROMIUM,
-    void*,
-    (GLenum target,
-     GLint level,
-     GLint xoffset,
-     GLint yoffset,
-     GLsizei width,
-     GLsizei height,
-     GLenum format,
-     GLenum type,
-     GLenum access),
-    (target, level, xoffset, yoffset, width, height, format, type, access))
-VISIT_GL_CALL(UnmapTexSubImage2DCHROMIUM, void, (const void* mem), (mem))