Revert "Auto merge of #17891 - MortimerGoro:webgl_move, r=glennw,emilio"

This reverts commit 90f55ea458, reversing
changes made to 2e60b27a21.

components/script/dom/webgl_extensions/ext/webglvertexarrayobjectoes.rs

@@ -2,7 +2,6 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-use canvas_traits::webgl::WebGLVertexArrayId;
 use core::cell::Ref;
 use core::iter::FromIterator;
 use dom::bindings::cell::DOMRefCell;
@@ -16,6 +15,7 @@ use dom::webglobject::WebGLObject;
 use dom_struct::dom_struct;
 use std::cell::Cell;
 use std::collections::HashMap;
+use webrender_api::WebGLVertexArrayId;
 
 #[dom_struct]
 pub struct WebGLVertexArrayObjectOES {