ui: Move gl/ directory out of gfx/, up to ui/.

ui/gfx/gl/gl_context_stub.cc

-// Copyright (c) 2012 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 "ui/gfx/gl/gl_context_stub.h"
-
-namespace gfx {
-
-GLContextStub::GLContextStub() : GLContext(NULL) {}
-
-bool GLContextStub::Initialize(
-    GLSurface* compatible_surface, GpuPreference gpu_preference) {
-  return true;
-}
-
-void GLContextStub::Destroy() {}
-
-bool GLContextStub::MakeCurrent(GLSurface* surface) {
-  SetCurrent(this, surface);
-  return true;
-}
-
-void GLContextStub::ReleaseCurrent(GLSurface* surface) {
-}
-
-bool GLContextStub::IsCurrent(GLSurface* surface) {
-  return true;
-}
-
-void* GLContextStub::GetHandle() {
-  return NULL;
-}
-
-void GLContextStub::SetSwapInterval(int interval) {
-}
-
-std::string GLContextStub::GetExtensions() {
-  return std::string();
-}
-
-GLContextStub::~GLContextStub() {}
-
-}  // namespace gfx