FYI: Adds V8PrivateProperty::getOrUndefined().

third_party/WebKit/Source/modules/webgl/WebGLVertexArrayObjectBase.cpp

 // 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.
 
 #include "modules/webgl/WebGLVertexArrayObjectBase.h"
 
 #include "gpu/command_buffer/client/gles2_interface.h"
 #include "modules/webgl/WebGLRenderingContextBase.h"
 
 namespace blink {
@@ skipping 91 matching lines @@
     }
 
     for (size_t i = 0; i < m_arrayBufferList.size(); ++i) {
         if (m_arrayBufferList[i] == buffer) {
             m_arrayBufferList[i]->onDetached(context()->contextGL());
             m_arrayBufferList[i] = nullptr;
         }
     }
 }
 
-ScopedPersistent<v8::Array>* WebGLVertexArrayObjectBase::getPersistentCache()
-{
-    return &m_arrayBufferWrappers;
-}
-
 DEFINE_TRACE(WebGLVertexArrayObjectBase)
 {
     visitor->trace(m_boundElementArrayBuffer);
     visitor->trace(m_arrayBufferList);
     WebGLContextObject::trace(visitor);
 }
 
 } // namespace blink