From eb6d101baecdcd4441ef051ec36d5f394a63afd3 Mon Sep 17 00:00:00 2001
From: Andreas Svensson <andreas@syranide.com>
Date: Fri, 18 Jul 2014 13:57:57 +0200
Subject: [PATCH] getModifierState should always return a boolean

(cherry picked from commit 030071dd8b1eedb796747e51faaaa2b05e9e3c2d)
---
 src/browser/ui/dom/getEventModifierState.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/browser/ui/dom/getEventModifierState.js b/src/browser/ui/dom/getEventModifierState.js
index 8ec8cad8da..e51850c2cd 100644
--- a/src/browser/ui/dom/getEventModifierState.js
+++ b/src/browser/ui/dom/getEventModifierState.js
@@ -42,7 +42,7 @@ function modifierStateGetter(keyArg) {
     return nativeEvent.getModifierState(keyArg);
   }
   var keyProp = modifierKeyToProp[keyArg];
-  return keyProp && nativeEvent[keyProp];
+  return keyProp ? !!nativeEvent[keyProp] : false;
 }
 
 function getEventModifierState(nativeEvent) {