Bug 1020108: use DOMTimestamp in MozCellBroadcastMessage. r=gene

dom/cellbroadcast/interfaces/nsIDOMMozCellBroadcastMessage.idl

@@ -2,6 +2,7 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
  * You can obtain one at http://mozilla.org/MPL/2.0/. */
 
+#include "domstubs.idl"
 #include "nsISupports.idl"
 
 interface nsIDOMMozCellBroadcastEtwsInfo;
@@ -10,7 +11,7 @@ interface nsIDOMMozCellBroadcastEtwsInfo;
  * MozCellBroadcastMessage encapsulates Cell Broadcast short message service
  * (CBS) messages.
  */
-[scriptable, uuid(6abe65de-6729-41f7-906a-3f3a2dbe30ae)]
+[scriptable, uuid(701e74a9-5fc4-4e2d-a324-9b7693395159)]
 interface nsIDOMMozCellBroadcastMessage : nsISupports
 {
   /**
@@ -53,7 +54,7 @@ interface nsIDOMMozCellBroadcastMessage : nsISupports
   /**
    * System time stamp at receival.
    */
-  readonly attribute jsval timestamp; // jsval is for Date.
+  readonly attribute DOMTimeStamp timestamp;
 
   /**
    * Additional ETWS-specific info.

dom/cellbroadcast/tests/marionette/test_cellbroadcast_etws.js

@@ -196,7 +196,7 @@ function testReceiving_ETWS_Timestamp() {
   doTestHelper(pdu, testReceiving_ETWS_WarningType, function(message) {
     // Cell Broadcast messages do not contain a timestamp field (however, ETWS
     // does). We only check the timestamp doesn't go too far (60 seconds) here.
-    let msMessage = message.timestamp.getTime();
+    let msMessage = message.timestamp;
     let msNow = Date.now();
     ok(Math.abs(msMessage - msNow) < (1000 * 60), "message.timestamp");
   });

dom/cellbroadcast/tests/marionette/test_cellbroadcast_gsm.js

@@ -361,7 +361,7 @@ function testReceiving_GSM_Timestamp() {
   doTestHelper(pdu, testReceiving_GSM_WarningType, function(message) {
     // Cell Broadcast messages do not contain a timestamp field (however, ETWS
     // does). We only check the timestamp doesn't go too far (60 seconds) here.
-    let msMessage = message.timestamp.getTime();
+    let msMessage = message.timestamp;
     let msNow = Date.now();
     ok(Math.abs(msMessage - msNow) < (1000 * 60), "message.timestamp");
   });

dom/system/gonk/RILContentHelper.js

@@ -312,7 +312,7 @@ function CellBroadcastMessage(pdu) {
   this.language = pdu.language;
   this.body = pdu.fullBody;
   this.messageClass = pdu.messageClass;
-  this.timestamp = new Date(pdu.timestamp);
+  this.timestamp = pdu.timestamp;
 
   if (pdu.etws != null) {
     this.etws = new CellBroadcastEtwsInfo(pdu.etws);