From 4c6323dc6ebb38fe3ab9e635e74b6f0464abb6b5 Mon Sep 17 00:00:00 2001
From: Mayhem <stepien.nicolas@gmail.com>
Date: Tue, 13 Aug 2013 20:58:06 +0200
Subject: [PATCH] Fx <23 doesn't have HTMLCanvasElement?

---
 CHANGELOG.md        | 2 ++
 lib/polyfill.coffee | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3168af372..c60ac0cf0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,5 @@
+- Fixed an error for Firefox <23 users.
+
 ## 3.7.0 - *2013-08-13*
 
 - **Thread Watcher** improvements:
diff --git a/lib/polyfill.coffee b/lib/polyfill.coffee
index 3cec1905a..6bab699cb 100644
--- a/lib/polyfill.coffee
+++ b/lib/polyfill.coffee
@@ -1,7 +1,9 @@
 Polyfill =
   init: ->
+    <% if (type === 'crx') { %>
     Polyfill.toBlob()
     Polyfill.visibility()
+    <% } %>
   toBlob: ->
     HTMLCanvasElement::toBlob or= (cb) ->
       data = atob @toDataURL()[22..]