[wrapper-tracing] Add tracing to WebGLRenderingContextBase and friends

third_party/WebKit/Source/modules/webgl/WebGLVertexArrayObjectBase.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 WebGLVertexArrayObjectBase_h
 #define WebGLVertexArrayObjectBase_h
 
 #include "modules/webgl/WebGLBuffer.h"
 #include "modules/webgl/WebGLContextObject.h"
 #include "platform/heap/Handle.h"
@@ skipping 27 matching lines @@
   bool getAttribEnabled(GLuint) const;
   bool isAllEnabledAttribBufferBound() const {
     return m_isAllEnabledAttribBufferBound;
   }
   void unbindBuffer(WebGLBuffer*);
 
   virtual void visitChildDOMWrappers(v8::Isolate*,
                                      const v8::Persistent<v8::Object>&);
 
   DECLARE_VIRTUAL_TRACE();
+  DECLARE_VIRTUAL_TRACE_WRAPPERS();
 
  protected:
   WebGLVertexArrayObjectBase(WebGLRenderingContextBase*, VaoType);
 
  private:
   void dispatchDetached(gpu::gles2::GLES2Interface*);
   bool hasObject() const override { return m_object != 0; }
   void deleteObjectImpl(gpu::gles2::GLES2Interface*) override;
 
   void updateAttribBufferBoundStatus();
 
   GLuint m_object;
 
   VaoType m_type;
   bool m_hasEverBeenBound;
   bool m_destructionInProgress;
   Member<WebGLBuffer> m_boundElementArrayBuffer;
   HeapVector<Member<WebGLBuffer>> m_arrayBufferList;
   Vector<bool> m_attribEnabled;
   bool m_isAllEnabledAttribBufferBound;
 };
 
 }  // namespace blink
 
 #endif  // WebGLVertexArrayObjectBase_h