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

Source/core/html/canvas/WebGLRenderbuffer.h

Index: Source/core/html/canvas/WebGLRenderbuffer.h
diff --git a/Source/core/html/canvas/WebGLRenderbuffer.h b/Source/core/html/canvas/WebGLRenderbuffer.h
index 08062eaa559c6bd8922782e96597b74f5e20366f..ae4bddc630054da91de87833c27a8cc73da4653a 100644
--- a/Source/core/html/canvas/WebGLRenderbuffer.h
+++ b/Source/core/html/canvas/WebGLRenderbuffer.h
@@ -26,14 +26,14 @@
 #ifndef WebGLRenderbuffer_h
 #define WebGLRenderbuffer_h
 
+#include "bindings/v8/ScriptWrappable.h"
 #include "core/html/canvas/WebGLSharedObject.h"
-
-#include <wtf/PassRefPtr.h>
-#include <wtf/RefCounted.h>
+#include "wtf/PassRefPtr.h"
+#include "wtf/RefCounted.h"
 
 namespace WebCore {
 
-class WebGLRenderbuffer : public WebGLSharedObject {
+class WebGLRenderbuffer : public WebGLSharedObject, public ScriptWrappable {
 public:
     virtual ~WebGLRenderbuffer();