Make the fuchsia mojo/public repo the source of truth.

mojo/public/platform/native/gles2_impl_thunks.c

-// 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.
-
-#include "mojo/public/platform/native/gles2_impl_thunks.h"
-
-#include <assert.h>
-
-#include "mojo/public/platform/native/thunk_export.h"
-
-static struct MojoGLES2ImplThunks g_impl_thunks = {0};
-
-#define VISIT_GL_CALL(Function, ReturnType, PARAMETERS, ARGUMENTS) \
-  ReturnType GL_APIENTRY gl##Function PARAMETERS {                 \
-    assert(g_impl_thunks.Function);                                \
-    return g_impl_thunks.Function ARGUMENTS;                       \
-  }
-#include "mojo/public/platform/native/gles2/call_visitor_autogen.h"
-#undef VISIT_GL_CALL
-
-THUNK_EXPORT size_t
-MojoSetGLES2ImplThunks(const struct MojoGLES2ImplThunks* gles2_impl_thunks) {
-  if (gles2_impl_thunks->size >= sizeof(g_impl_thunks))
-    g_impl_thunks = *gles2_impl_thunks;
-  return sizeof(g_impl_thunks);
-}