Index: Source/devtools/front_end/externs.js |
diff --git a/Source/devtools/front_end/externs.js b/Source/devtools/front_end/externs.js |
index 06af0e2d64d0b56223ebe8f4e00062c70ce754f0..402566258a8c5757073cdf606878c655c8118bae 100644 |
--- a/Source/devtools/front_end/externs.js |
+++ b/Source/devtools/front_end/externs.js |
@@ -472,5 +472,14 @@ CodeMirror.keyMap; |
/** @type {{scrollLeft: number, scrollTop: number}} */ |
CodeMirror.doc; |
+/** |
+ * @constructor |
+ * @extends {Event} |
+ */ |
+function ErrorEvent() {} |
+ |
+/** @type {string} */ |
+ErrorEvent.prototype.message; |
+ |
/** @type {boolean} */ |
window.dispatchStandaloneTestRunnerMessages; |