1 files changed, 13 insertions, 0 deletions
diff --git a/components/script/dom/globalscope.rs b/components/script/dom/globalscope.rs
index a09e727f772..e5f42c3f9ed 100644
--- a/components/script/dom/globalscope.rs
+++ b/components/script/dom/globalscope.rs
@@ -15,6 +15,10 @@ pub struct GlobalScope {
     eventtarget: EventTarget,
     crypto: MutNullableHeap<JS<Crypto>>,
     next_worker_id: Cell<WorkerId>,
+
+    /// A flag to indicate whether the developer tools has requested
+    /// live updates from the worker.
+    devtools_wants_updates: Cell<bool>,
 }
 
 impl GlobalScope {
@@ -23,6 +27,7 @@ impl GlobalScope {
             eventtarget: EventTarget::new_inherited(),
             crypto: Default::default(),
             next_worker_id: Cell::new(WorkerId(0)),
+            devtools_wants_updates: Default::default(),
         }
     }
 
@@ -49,4 +54,12 @@ impl GlobalScope {
         self.next_worker_id.set(WorkerId(id_num + 1));
         worker_id
     }
+
+    pub fn live_devtools_updates(&self) -> bool {
+        self.devtools_wants_updates.get()
+    }
+
+    pub fn set_devtools_wants_updates(&self, value: bool) {
+        self.devtools_wants_updates.set(value);
+    }
 }