Make WebGL objects scriptwrappable so that binding integrity checks may be applied to them.

Source/core/html/canvas/WebGLContextAttributes.cpp

 /*
  * Copyright (c) 2010, Google 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:
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
  * copyright notice, this list of conditions and the following disclaimer
@@ skipping 25 matching lines @@
 }
 
 PassRefPtr<WebGLContextAttributes> WebGLContextAttributes::create(GraphicsContext3D::Attributes attributes)
 {
     return adoptRef(new WebGLContextAttributes(attributes));
 }
 
 WebGLContextAttributes::WebGLContextAttributes()
     : CanvasContextAttributes()
 {
+    ScriptWrappable::init(this);
 }
 
 WebGLContextAttributes::WebGLContextAttributes(GraphicsContext3D::Attributes attributes)
     : CanvasContextAttributes()
     , m_attrs(attributes)
 {
+    ScriptWrappable::init(this);
 }
 
 WebGLContextAttributes::~WebGLContextAttributes()
 {
 }
 
 bool WebGLContextAttributes::alpha() const
 {
     return m_attrs.alpha;
 }
@@ skipping 52 matching lines @@
 {
     m_attrs.preserveDrawingBuffer = preserveDrawingBuffer;
 }
 
 GraphicsContext3D::Attributes WebGLContextAttributes::attributes() const
 {
     return m_attrs;
 }
 
 } // namespace WebCore