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diff --git a/gpu/demos/simple_texture_cubemap/main.cc b/gpu/demos/simple_texture_cubemap/main.cc
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+++ b/gpu/demos/simple_texture_cubemap/main.cc
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+// 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/app_framework/application.h"
+#include "third_party/gles2_book/Chapter_9/Simple_TextureCubemap/Simple_TextureCubemap.h"
+
+namespace gpu_demos {
+class SimpleTextureCubemap : public Application {
+ public:
+  SimpleTextureCubemap();
+  ~SimpleTextureCubemap();
+
+  bool Init();
+
+ protected:
+  virtual void Draw(float elapsed_sec);
+
+ private:
+  ESContext context_;
+  STCUserData user_data_;
+
+  DISALLOW_COPY_AND_ASSIGN(SimpleTextureCubemap);
+};
+
+SimpleTextureCubemap::SimpleTextureCubemap() {
+  esInitContext(&context_);
+
+  memset(&user_data_, 0, sizeof(STCUserData));
+  context_.userData = &user_data_;
+}
+
+SimpleTextureCubemap::~SimpleTextureCubemap() {
+  stcShutDown(&context_);
+}
+
+bool SimpleTextureCubemap::Init() {
+  if (!Application::InitRenderContext()) return false;
+
+  context_.width = width();
+  context_.height = height();
+  if (!stcInit(&context_)) return false;
+
+  return true;
+}
+
+void SimpleTextureCubemap::Draw(float /*elapsed_sec*/) {
+  stcDraw(&context_);
+}
+}  // namespace gpu_demos
+
+int main(int argc, char *argv[]) {
+  gpu_demos::SimpleTextureCubemap app;
+  if (!app.Init()) {
+    printf("Could not init.\n");
+    return EXIT_FAILURE;
+  }
+
+  app.MainLoop();
+  return EXIT_SUCCESS;
+}