Remove uses of VisitDOMWrapper

third_party/WebKit/Source/modules/webgl/WebGLFramebuffer.h

 /*
  * Copyright (C) 2009 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 87 matching lines @@
 
   // Wrapper for drawBuffersEXT/drawBuffersARB to work around a driver bug.
   void drawBuffers(const Vector<GLenum>& bufs);
 
   GLenum getDrawBuffer(GLenum);
 
   void readBuffer(const GLenum colorBuffer) { m_readBuffer = colorBuffer; }
 
   GLenum getReadBuffer() const { return m_readBuffer; }
 
-  virtual void visitChildDOMWrappers(v8::Isolate*,
-                                     const v8::Persistent<v8::Object>&);
-
   DECLARE_VIRTUAL_TRACE();
   DECLARE_VIRTUAL_TRACE_WRAPPERS();
 
  protected:
   explicit WebGLFramebuffer(WebGLRenderingContextBase*);
 
   bool hasObject() const override { return m_object != 0; }
   void deleteObjectImpl(gpu::gles2::GLES2Interface*) override;
 
  private:
@@ skipping 33 matching lines @@
 
   Vector<GLenum> m_drawBuffers;
   Vector<GLenum> m_filteredDrawBuffers;
 
   GLenum m_readBuffer;
 };
 
 }  // namespace blink
 
 #endif  // WebGLFramebuffer_h