Move OpenGL ES 2.0 conformance test support into main tree

gpu/gles2_conform_support/gles2_conform_support.c

+// Copyright (c) 2011 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.
+
+// A small sample just to make sure we can actually compile and link
+// our OpenGL ES 2.0 conformance test support code.
+
+#include <EGL/egl.h>
+#include "gpu/gles2_conform_support/gtf/gtf_stubs.h"
+
+// Note: This code is not intended to run, only compile and link.
+int GTFMain(int argc, char** argv) {
+  EGLint major, minor;
+  EGLDisplay eglDisplay;
+  EGLNativeDisplayType nativeDisplay = EGL_DEFAULT_DISPLAY;
+
+  eglDisplay = eglGetDisplay(nativeDisplay);
+  eglInitialize(eglDisplay, &major, &minor);
+
+  return 0;
+}
+
+