webchannel pairing button test

app/scripts/lib/app-start.js

@@ -430,6 +430,7 @@ Start.prototype = {
   },
 
   initializeNotificationChannel () {
+    console.log('initializeNotificationChannel')
     if (! this._notificationChannel) {
       this._notificationChannel =
             new WebChannel(Constants.ACCOUNT_UPDATES_WEBCHANNEL_ID);

app/scripts/lib/channels/web.js

@@ -39,6 +39,7 @@ const COMMANDS = {
   /*
     SYNC_PREFERENCES: 'fxaccounts:sync_preferences', // Removed in issue #4250
     */
+  PAIR_PREFERENCES: 'fxaccounts:pair_preferences',
   VERIFIED: 'fxaccounts:verified',
 };
 

app/scripts/models/auth_brokers/base.js

@@ -134,6 +134,11 @@ define(function (require, exports, module) {
       });
     },
 
+    brokerPairingStart () {
+      const channel = this._notificationChannel;
+      return channel.send(channel.COMMANDS.PAIR_PREFERENCES);
+    },
+
     /**
      * Request FXA_STATUS info from the UA.
      *

app/scripts/templates/sign_up.mustache

@@ -22,6 +22,7 @@
     <div class="error"></div>
     <div class="success"></div>
 
+    <button id="pair-btn">Pair Btn</button>
 
     <form novalidate>
       <div class="input-row">

app/scripts/views/sign_up.js

@@ -78,7 +78,12 @@ define(function (require, exports, module) {
     },
 
     events: {
-      'blur input.email': 'onEmailBlur'
+      'blur input.email': 'onEmailBlur',
+      'click #pair-btn': 'onPairClick',
+    },
+
+    onPairClick () {
+      this.broker.brokerPairingStart();
     },
 
     getPrefillEmail () {