Add OzoneGLImpl interface.

ui/gl/init/ozone_util.cc

+// Copyright 2016 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/gl/init/ozone_util.h"
+
+#include "ui/ozone/public/ozone_platform.h"
+
+namespace gl {
+
+ui::SurfaceFactoryOzone* GetSurfaceFactory() {

[rjkroege, 2016/08/26 19:55:53]

you could make a lot of this inline

[kylechar, 2016/08/29 15:38:14]

Done.

+  return ui::OzonePlatform::GetInstance()->GetSurfaceFactoryOzone();
+}
+
+bool HasGLOzone(GLImplementation impl) {
+  return GetSurfaceFactory()->GetGLOzone(impl) != nullptr;
+}
+
+bool HasGLOzone() {
+  return HasGLOzone(GetGLImplementation());
+}
+
+ui::GLOzone* GetGLOzone(GLImplementation impl) {
+  return GetSurfaceFactory()->GetGLOzone(impl);
+}
+
+ui::GLOzone* GetGLOzone() {
+  return GetGLOzone(GetGLImplementation());
+}
+
+}  // namespace gl