Final steps

components/script/dom/bindings/trace.rs

@@ -33,6 +33,7 @@ use canvas_traits::WebGLError;
 use canvas_traits::{CanvasGradientStop, LinearGradientStyle, RadialGradientStyle};
 use canvas_traits::{CompositionOrBlending, LineCapStyle, LineJoinStyle, RepetitionStyle};
 use cssparser::RGBA;
+use devtools_traits::CSSError;
 use devtools_traits::WorkerId;
 use dom::bindings::js::{JS, Root};
 use dom::bindings::refcounted::Trusted;
@@ -98,6 +99,8 @@ pub trait JSTraceable {
     fn trace(&self, trc: *mut JSTracer);
 }
 
+no_jsmanaged_fields!(CSSError);
+
 no_jsmanaged_fields!(EncodingRef);
 
 no_jsmanaged_fields!(Reflector);

components/script/dom/document.rs

@@ -2,6 +2,7 @@
  * 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 devtools_traits::CSSError;
 use document_loader::{DocumentLoader, LoadType};
 use dom::attr::{Attr, AttrValue};
 use dom::bindings::cell::DOMRefCell;
@@ -88,7 +89,6 @@ use net_traits::ControlMsg::{GetCookiesForUrl, SetCookiesForUrl};
 use net_traits::CookieSource::NonHTTP;
 use net_traits::{AsyncResponseTarget, PendingAsyncLoad};
 use num::ToPrimitive;
-use script_thread::CSSError;
 use script_thread::{MainThreadScriptMsg, Runnable};
 use script_traits::{ScriptMsg as ConstellationMsg, ScriptToCompositorMsg};
 use script_traits::{TouchEventType, TouchId, UntrustedNodeAddress};

components/script/dom/window.rs

@@ -1370,6 +1370,9 @@ impl Window {
 
         WindowBinding::Wrap(runtime.cx(), win)
     }
+    pub fn live_devtools_updates(&self) -> bool {
+        return self.devtools_wants_updates.get();
+    }
 }
 
 fn should_move_clip_rect(clip_rect: Rect<Au>, new_viewport: Rect<f32>) -> bool {