Move WebGLVertexArrayObjectOES to script::dom

It's not a WebGL extension itself, it's just used by one.

components/script/dom/mod.rs

@@ -481,6 +481,7 @@ pub mod webglshader;
 pub mod webglshaderprecisionformat;
 pub mod webgltexture;
 pub mod webgluniformlocation;
+pub mod webglvertexarrayobjectoes;
 pub mod websocket;
 pub mod window;
 pub mod windowproxy;

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

@@ -12,4 +12,3 @@ pub mod oestexturefloatlinear;
 pub mod oestexturehalffloat;
 pub mod oestexturehalffloatlinear;
 pub mod oesvertexarrayobject;
-pub mod webglvertexarrayobjectoes;