3 files changed, 12 insertions, 2 deletions
diff --git a/components/script/dom/webidls/GlobalScope.webidl b/components/script/dom/webidls/GlobalScope.webidl
new file mode 100644
index 00000000000..7dab4f3afa7
--- /dev/null
+++ b/components/script/dom/webidls/GlobalScope.webidl
@@ -0,0 +1,10 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * 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/. */
+
+// This interface is entirely internal to Servo, and should not be accessible to
+// web pages.
+
+[Exposed=(Window,Worker),
+ Inline]
+interface GlobalScope : EventTarget {};
diff --git a/components/script/dom/webidls/Window.webidl b/components/script/dom/webidls/Window.webidl
index 84fb4d754de..8fdc636a732 100644
--- a/components/script/dom/webidls/Window.webidl
+++ b/components/script/dom/webidls/Window.webidl
@@ -4,7 +4,7 @@
 
 // https://html.spec.whatwg.org/multipage/#window
 [PrimaryGlobal, Exposed=(Window,Worker)]
-/*sealed*/ interface Window : EventTarget {
+/*sealed*/ interface Window : GlobalScope {
   // the current browsing context
   [Unforgeable] readonly attribute WindowProxy window;
   [BinaryName="Self_", Replaceable] readonly attribute WindowProxy self;
diff --git a/components/script/dom/webidls/WorkerGlobalScope.webidl b/components/script/dom/webidls/WorkerGlobalScope.webidl
index 186e5cd7fee..dcdd2957d43 100644
--- a/components/script/dom/webidls/WorkerGlobalScope.webidl
+++ b/components/script/dom/webidls/WorkerGlobalScope.webidl
@@ -4,7 +4,7 @@
 
 // https://html.spec.whatwg.org/multipage/#workerglobalscope
 [Abstract, Exposed=Worker]
-interface WorkerGlobalScope : EventTarget {
+interface WorkerGlobalScope : GlobalScope {
   [BinaryName="Self_"] readonly attribute WorkerGlobalScope self;
   readonly attribute WorkerLocation location;