Auto merge of #7401 - nox:rm-helpers, r=Manishearth

Remove helper traits

Now that `JSRef<T>` is gone, there is no need to have helper traits.

<!-- Reviewable:start -->
[<img src="https://reviewable.io/review_button.png" height=40 alt="Review on Reviewable"/>](https://reviewable.io/reviews/servo/servo/7401)
<!-- Reviewable:end -->

1 files changed, 2 insertions, 3 deletions

diff --git a/components/script/dom/bindings/global.rs b/components/script/dom/bindings/global.rs
index 2a9ee12e3a2..ef9e8ef82c9 100644
--- a/components/script/dom/bindings/global.rs
+++ b/components/script/dom/bindings/global.rs
@@ -12,9 +12,8 @@ use dom::bindings::codegen::Bindings::WindowBinding::WindowMethods;
 use dom::bindings::conversions::native_from_reflector_jsmanaged;
 use dom::bindings::js::{JS, Root};
 use dom::bindings::utils::{Reflectable, Reflector};
-use dom::document::DocumentHelpers;
-use dom::window::{self, WindowHelpers, ScriptHelpers};
-use dom::workerglobalscope::{WorkerGlobalScope, WorkerGlobalScopeHelpers};
+use dom::window::{self, ScriptHelpers};
+use dom::workerglobalscope::WorkerGlobalScope;
 use script_task::{ScriptChan, ScriptPort, CommonScriptMsg, ScriptTask};
 
 use msg::constellation_msg::{ConstellationChan, PipelineId, WorkerId};