[Ozone-Demo] Update Surfaceless renderer

ui/ozone/demo/surfaceless_gl_renderer.h

 // Copyright 2014 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_OZONE_DEMO_SURFACELESS_GL_RENDERER_H_
 #define UI_OZONE_DEMO_SURFACELESS_GL_RENDERER_H_
 
 #include "base/memory/weak_ptr.h"
 #include "ui/ozone/demo/gl_renderer.h"
 
@@ skipping 14 matching lines @@
   ~SurfacelessGlRenderer() override;
 
   // Renderer:
   bool Initialize() override;
   void RenderFrame() override;
 
  private:
   // Called by swap buffers when the actual swap finished.
   void OnSwapBuffersAck();
 
+  // GlRenderer:
+  scoped_refptr<gfx::GLSurface> CreateSurface() override;
+
   class BufferWrapper {
    public:
     BufferWrapper();
     ~BufferWrapper();
 
     bool Initialize(GpuMemoryBufferFactoryOzoneNativeBuffer* buffer_factory,
                     gfx::AcceleratedWidget widget,
                     const gfx::Size& size);
     void BindFramebuffer();
     void SchedulePlane();
@@ skipping 14 matching lines @@
   bool is_swapping_buffers_;
 
   base::WeakPtrFactory<SurfacelessGlRenderer> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SurfacelessGlRenderer);
 };
 
 }  // namespace ui
 
 #endif  // UI_OZONE_DEMO_SURFACELESS_GL_RENDERER_H_