Revert of mojo: Convert gles2 to the new thunking system

mojo/gles2/gles2_impl.cc

-// 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/c/gles2/gles2.h"
-
-#include "gpu/command_buffer/client/gles2_interface.h"
-#include "mojo/gles2/gles2_context.h"
-
-using mojo::gles2::GLES2Context;
-
-namespace {
-
-const MojoAsyncWaiter* g_async_waiter = NULL;
-gpu::gles2::GLES2Interface* g_gpu_interface = NULL;
-
-}  // namespace
-
-extern "C" {
-
-void MojoGLES2Initialize(const MojoAsyncWaiter* async_waiter) {
-  DCHECK(!g_async_waiter);
-  DCHECK(async_waiter);
-  g_async_waiter = async_waiter;
-}
-
-void MojoGLES2Terminate() {
-  DCHECK(g_async_waiter);
-  g_async_waiter = NULL;
-}
-
-MojoGLES2Context MojoGLES2CreateContext(
-    MojoHandle handle,
-    MojoGLES2ContextLost lost_callback,
-    void* closure) {
-  mojo::MessagePipeHandle mph(handle);
-  mojo::ScopedMessagePipeHandle scoped_handle(mph);
-  scoped_ptr<GLES2Context> client(new GLES2Context(g_async_waiter,
-                                                   scoped_handle.Pass(),
-                                                   lost_callback,
-                                                   closure));
-  if (!client->Initialize())
-    client.reset();
-  return client.release();
-}
-
-void MojoGLES2DestroyContext(MojoGLES2Context context) {
-  delete static_cast<GLES2Context*>(context);
-}
-
-void MojoGLES2MakeCurrent(MojoGLES2Context context) {
-  gpu::gles2::GLES2Interface* interface = NULL;
-  if (context) {
-    GLES2Context* client = static_cast<GLES2Context*>(context);
-    interface = client->interface();
-    DCHECK(interface);
-  }
-  g_gpu_interface = interface;
-}
-
-void MojoGLES2SwapBuffers() {
-  assert(g_gpu_interface);
-  g_gpu_interface->SwapBuffers();
-}
-
-void* MojoGLES2GetGLES2Interface(MojoGLES2Context context) {
-  return static_cast<GLES2Context*>(context)->interface();
-}
-
-void* MojoGLES2GetContextSupport(MojoGLES2Context context) {
-  return static_cast<GLES2Context*>(context)->context_support();
-}
-
-#define VISIT_GL_CALL(Function, ReturnType, PARAMETERS, ARGUMENTS)  \
-  ReturnType gl##Function PARAMETERS {                              \
-    assert(g_gpu_interface);                                        \
-    return g_gpu_interface->Function ARGUMENTS;                     \
-  }
-#include "mojo/public/c/gles2/gles2_call_visitor_autogen.h"
-#undef VISIT_GL_CALL
-
-}  // extern "C"