Drop origin key from requests for Parity compatibility

CHANGELOG.md

@@ -5,6 +5,7 @@
 - Add a link to the transaction in history that goes to https://metamask.github.io/eth-tx-viz
 too help visualize transactions and to where they are going.
 - Show "Buy Ether" button and warning on tx confirmation when sender balance is insufficient
+- Change behavior that prevented Parity client compatibility, where we included a request site origin on rpc calls.
 
 ## 2.12.1 2016-09-14
 

app/scripts/metamask-controller.js

@@ -75,6 +75,10 @@ module.exports = class MetamaskController {
   }
 
   onRpcRequest (stream, originDomain, request) {
+
+    /* Commented out for Parity compliance
+     * Parity does not permit additional keys, like `origin`,
+     * and Infura is not currently filtering this key out.
     var payloads = Array.isArray(request) ? request : [request]
     payloads.forEach(function (payload) {
       // Append origin to rpc payload
@@ -86,6 +90,7 @@ module.exports = class MetamaskController {
         payload.params.push({ origin: originDomain })
       }
     })
+    */
 
     // handle rpc request
     this.provider.sendAsync(request, function onPayloadHandled (err, response) {