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

Source/core/html/canvas/WebGLFramebuffer.cpp

Index: Source/core/html/canvas/WebGLFramebuffer.cpp
diff --git a/Source/core/html/canvas/WebGLFramebuffer.cpp b/Source/core/html/canvas/WebGLFramebuffer.cpp
index ddcaa6e1120e6e2730fee1afc18829d66a7917fb..b4e58616ea1baa22f2f5192f0dc0382ab7e7c6e5 100644
--- a/Source/core/html/canvas/WebGLFramebuffer.cpp
+++ b/Source/core/html/canvas/WebGLFramebuffer.cpp
@@ -276,6 +276,7 @@ WebGLFramebuffer::WebGLFramebuffer(WebGLRenderingContext* ctx)
     : WebGLContextObject(ctx)
     , m_hasEverBeenBound(false)
 {
+    ScriptWrappable::init(this);
     setObject(ctx->graphicsContext3D()->createFramebuffer());
 }