Remove uses of VisitDOMWrapper

third_party/WebKit/Source/modules/webgl/WebGL2RenderingContextBase.h

 // Copyright 2015 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 WebGL2RenderingContextBase_h
 #define WebGL2RenderingContextBase_h
 
 #include "bindings/core/v8/TraceWrapperMember.h"
 #include "modules/webgl/WebGLExtension.h"
 #include "modules/webgl/WebGLRenderingContextBase.h"
@@ skipping 882 matching lines @@
 
   bool canUseTexImageByGPU(TexImageFunctionID,
                            GLint internalformat,
                            GLenum type) override;
 
   void removeBoundBuffer(WebGLBuffer*) override;
 
   void resetUnpackParameters() override;
   void restoreUnpackParameters() override;
 
-  void visitChildDOMWrappers(v8::Isolate*,
-                             const v8::Persistent<v8::Object>&) override;
-
   void renderbufferStorageHelper(GLenum target,
                                  GLsizei samples,
                                  GLenum internalformat,
                                  GLsizei width,
                                  GLsizei height,
                                  const char* functionName);
 
   TraceWrapperMember<WebGLFramebuffer> m_readFramebufferBinding;
   TraceWrapperMember<WebGLTransformFeedback> m_transformFeedbackBinding;
 
@@ skipping 37 matching lines @@
                   context,
                   context->is3d() &&
                       WebGLRenderingContextBase::getWebGLVersion(context) >= 2,
                   context.is3d() &&
                       WebGLRenderingContextBase::getWebGLVersion(&context) >=
                           2);
 
 }  // namespace blink
 
 #endif