[rb] profile base64 string is no longer stored in 'zip' key

Author: lmtierney

rb/lib/selenium/webdriver/common/profile_helper.rb

@@ -61,7 +61,7 @@ def verify_model(model)
 
       module ClassMethods
         def from_json(json)
-          data = JSON.parse(json).fetch('zip')
+          data = JSON.parse(json)
 
           # can't use Tempfile here since it doesn't support File::BINARY mode on 1.8
           # can't use Dir.mktmpdir(&blk) because of http://jira.codehaus.org/browse/JRUBY-4082