Implement GLX for Ozone X11.

ui/gl/gl_surface_glx_x11.h

+// 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.
+
+#ifndef UI_GL_GL_SURFACE_GLX_X11_H_
+#define UI_GL_GL_SURFACE_GLX_X11_H_
+
+#include "base/macros.h"
+#include "ui/events/platform/platform_event_dispatcher.h"
+#include "ui/gfx/native_widget_types.h"
+#include "ui/gl/gl_export.h"
+#include "ui/gl/gl_surface_glx.h"
+
+namespace gl {
+
+// X11 specific implementation of GLX surface. Registers as a
+// PlatformEventDispatcher to handle XEvents.
+class GL_EXPORT GLSurfaceGLXX11 : public NativeViewGLSurfaceGLX,
+                                  public ui::PlatformEventDispatcher {
+ public:
+  explicit GLSurfaceGLXX11(gfx::AcceleratedWidget window);
+
+ protected:
+  ~GLSurfaceGLXX11() override;
+
+  // NativeViewGLSurfaceGLX:
+  void RegisterEvents() override;
+  void UnregisterEvents() override;
+
+  // PlatformEventDispatcher:
+  bool CanDispatchEvent(const ui::PlatformEvent& event) override;
+  uint32_t DispatchEvent(const ui::PlatformEvent& event) override;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(GLSurfaceGLXX11);
+};
+
+}  // namespace gl
+
+#endif  // UI_GL_GL_SURFACE_GLX_X11_H_