From d57748f902d9647c3dcf2e3c4d60411766c1bd25 Mon Sep 17 00:00:00 2001
From: Stephen Blott
Date: Sun, 24 Aug 2014 11:49:01 +0100
Subject: Do not call handlers which do not exist.

---
 content_scripts/vimium_frontend.coffee | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'content_scripts')

diff --git a/content_scripts/vimium_frontend.coffee b/content_scripts/vimium_frontend.coffee
index d34ea761..3543f69c 100644
--- a/content_scripts/vimium_frontend.coffee
+++ b/content_scripts/vimium_frontend.coffee
@@ -127,7 +127,7 @@ initializePreDomReady = ->
     # from the former.
     return if sender.tab and not sender.tab.url.startsWith 'chrome-extension://'
     return unless isEnabledForUrl or request.name == 'getActiveState' or request.name == 'setState'
-    sendResponse requestHandlers[request.name](request, sender)
+    sendResponse(if requestHandlers[request.name] then requestHandlers[request.name](request, sender) else undefined)
     # Ensure the sendResponse callback is freed.
     false
 
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