Encrypt device name on account create, on first launch if needed

js/modules/web_api.js

@@ -325,6 +325,7 @@ function HTTPError(message, providedCode, response, stack) {
 
 const URL_CALLS = {
   accounts: 'v1/accounts',
+  updateDeviceName: 'v1/accounts/name',
   attachment: 'v1/attachments',
   deliveryCert: 'v1/certificate/delivery',
   supportUnauthenticatedDelivery: 'v1/devices/unauthenticated_delivery',
@@ -386,6 +387,7 @@ function initialize({ url, cdnUrl, certificateAuthority, proxyUrl }) {
       sendMessages,
       sendMessagesUnauth,
       setSignedPreKey,
+      updateDeviceName,
     };
 
     function _ajax(param) {
@@ -568,6 +570,16 @@ function initialize({ url, cdnUrl, certificateAuthority, proxyUrl }) {
       return response;
     }
 
+    function updateDeviceName(deviceName) {
+      return _ajax({
+        call: 'updateDeviceName',
+        httpType: 'PUT',
+        jsonData: {
+          deviceName,
+        },
+      });
+    }
+
     function getDevices() {
       return _ajax({
         call: 'devices',