DevTools: setImmediate polyfill should handle arguments

third_party/WebKit/Source/devtools/front_end/platform/utilities.js

Index: third_party/WebKit/Source/devtools/front_end/platform/utilities.js
diff --git a/third_party/WebKit/Source/devtools/front_end/platform/utilities.js b/third_party/WebKit/Source/devtools/front_end/platform/utilities.js
index 1edf9b970a48ff10343a6efb4712211a02eae093..9c1413b14de30afac067a9ccff5de744e3af35a2 100644
--- a/third_party/WebKit/Source/devtools/front_end/platform/utilities.js
+++ b/third_party/WebKit/Source/devtools/front_end/platform/utilities.js
@@ -1367,7 +1367,8 @@ function suppressUnused(value) {
  * @return {number}
  */
 self.setImmediate = function(callback) {

[PhistucK, 2017/01/07 11:29:29]

Why not callback, ...args?
It removes the need for slice afterwards.

-  Promise.resolve().then(callback);
+  const args = [...arguments].slice(1);
+  Promise.resolve().then(() => callback(...args));
   return 0;
 };