Fix EGL configs with GLSurfaceOzoneSurfaceless.

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/callback.h"
@@ skipping 24 matching lines @@
 class GL_EXPORT GLSurface : public base::RefCounted<GLSurface> {
  public:
   GLSurface();
 
   // Minimum bit depth of surface.
   enum Format {
     SURFACE_ARGB8888,
     SURFACE_RGB565,
     SURFACE_OSMESA_BGRA,
     SURFACE_OSMESA_RGBA,
+    SURFACE_SURFACELESS,
     SURFACE_DEFAULT = SURFACE_ARGB8888
   };
 
   // (Re)create the surface. TODO(apatrick): This is an ugly hack to allow the
   // EGL surface associated to be recreated without destroying the associated
   // context. The implementation of this function for other GLSurface derived
   // classes is in a pending changelist.
   virtual bool Initialize();
   virtual bool Initialize(GLSurface::Format format);
 
@@ skipping 239 matching lines @@
 
  private:
   scoped_refptr<GLSurface> surface_;
 
   DISALLOW_COPY_AND_ASSIGN(GLSurfaceAdapter);
 };
 
 }  // namespace gfx
 
 #endif  // UI_GL_GL_SURFACE_H_