Add Utils.isFirefox

This also stops the content scripts from being injected into each frame
on reload (in Firefox only). They do not successfully connect to the
background page, and it causes considerable lag, so we lose nothing by
doing this.

1 files changed, 1 insertions, 0 deletions

diff --git a/lib/utils.coffee b/lib/utils.coffee
index 78eed12c..520d5b8c 100644
--- a/lib/utils.coffee
+++ b/lib/utils.coffee
@@ -7,6 +7,7 @@ window.forTrusted ?= (handler) -> (event) ->
     true
 
 Utils =
+  isFirefox: -> 0 <= navigator.userAgent.indexOf "Firefox"
   getCurrentVersion: ->
     chrome.runtime.getManifest().version