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Bug 1069416 - Part 8: Remove JS_HAS_SYMBOLS from Promise-backend.js. r=paolo

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This commit is contained in:
Tooru Fujisawa 2015-01-28 13:06:38 +09:00
parent 1a673bc891
commit 63d91ed309
1 changed files with 2 additions and 5 deletions
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7
toolkit/modules/Promise-backend.js
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@ -37,9 +37,6 @@ const STATUS_REJECTED = 2;
const salt = Math.floor(Math.random() * 100);
const N_INTERNALS = "{private:internals:" + salt + "}";
const JS_HAS_SYMBOLS = typeof Symbol === "function";
const ITERATOR_SYMBOL = JS_HAS_SYMBOLS ? Symbol.iterator : "@@iterator";
// We use DOM Promise for scheduling the walker loop.
const DOMPromise = Promise;
@ -517,7 +514,7 @@ Promise.reject = function (aReason)
*/
Promise.all = function (aValues)
{
if (aValues == null || typeof(aValues[ITERATOR_SYMBOL]) != "function") {
if (aValues == null || typeof(aValues[Symbol.iterator]) != "function") {
throw new Error("Promise.all() expects an iterable.");
}
@ -568,7 +565,7 @@ Promise.all = function (aValues)
*/
Promise.race = function (aValues)
{
if (aValues == null || typeof(aValues[ITERATOR_SYMBOL]) != "function") {
if (aValues == null || typeof(aValues[Symbol.iterator]) != "function") {
throw new Error("Promise.race() expects an iterable.");
}