Reland a portion of r215672.

gpu/demos/gles2_book/demo_simple_texture_cubemap.cc

-// Copyright (c) 2010 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 is a simple example that draws a sphere with a cubemap image applied.
-
-#include "gpu/demos/framework/demo_factory.h"
-#include "gpu/demos/gles2_book/example.h"
-#include "third_party/gles2_book/Chapter_9/Simple_TextureCubemap/Simple_TextureCubemap.h"
-
-namespace gpu {
-namespace demos {
-
-namespace gles2_book {
-class SimpleTextureCubemap : public Example<STCUserData> {
- public:
-  SimpleTextureCubemap() {
-    RegisterCallbacks(stcInit, NULL, stcDraw, stcShutDown);
-  }
-
-  const wchar_t* Title() const {
-    return L"Simple Texture Cubemap";
-  }
-};
-}  // namespace gles2_book
-
-Demo* CreateDemo() {
-  return new gles2_book::SimpleTextureCubemap();
-}
-
-}  // namespace demos
-}  // namespace gpu