Fix for surfaceless implementation

ui/gl/gl_surface.h

 // 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.
 
 #ifndef UI_GL_GL_SURFACE_H_
 #define UI_GL_GL_SURFACE_H_
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
@@ skipping 104 matching lines @@
   // |image| to be presented by the overlay.
   // |bounds_rect| specify where it is supposed to be on the screen in pixels.
   // |crop_rect| specifies the region within the buffer to be placed inside
   // |bounds_rect|.
   virtual bool ScheduleOverlayPlane(int z_order,
                                     OverlayTransform transform,
                                     GLImage* image,
                                     const Rect& bounds_rect,
                                     const RectF& crop_rect);
 
+  virtual bool IsSurfaceless() const;
+
   // Create a GL surface that renders directly to a view.
   static scoped_refptr<GLSurface> CreateViewGLSurface(
       gfx::AcceleratedWidget window);
 
   // Create a GL surface used for offscreen rendering.
   static scoped_refptr<GLSurface> CreateOffscreenGLSurface(
       const gfx::Size& size);
 
   static GLSurface* GetCurrent();
 
@@ skipping 39 matching lines @@
   virtual void* GetShareHandle() OVERRIDE;
   virtual void* GetDisplay() OVERRIDE;
   virtual void* GetConfig() OVERRIDE;
   virtual unsigned GetFormat() OVERRIDE;
   virtual VSyncProvider* GetVSyncProvider() OVERRIDE;
   virtual bool ScheduleOverlayPlane(int z_order,
                                     OverlayTransform transform,
                                     GLImage* image,
                                     const Rect& bounds_rect,
                                     const RectF& crop_rect) OVERRIDE;
+  virtual bool IsSurfaceless() const OVERRIDE;
 
   GLSurface* surface() const { return surface_.get(); }
 
  protected:
   virtual ~GLSurfaceAdapter();
 
  private:
   scoped_refptr<GLSurface> surface_;
 
   DISALLOW_COPY_AND_ASSIGN(GLSurfaceAdapter);
 };
 
 }  // namespace gfx
 
 #endif  // UI_GL_GL_SURFACE_H_