DevTools: use setImmediate instead of setTimeout for dispatching messages on devtools frontend in d…

Source/devtools/front_end/common/utilities.js

Index: Source/devtools/front_end/common/utilities.js
diff --git a/Source/devtools/front_end/common/utilities.js b/Source/devtools/front_end/common/utilities.js
index 85d5338e882fb3b6ae2962efab8a737808fa63bd..15af0cc7a6e335659517642ac8e5405ed27529d5 100644
--- a/Source/devtools/front_end/common/utilities.js
+++ b/Source/devtools/front_end/common/utilities.js
@@ -1747,3 +1747,19 @@ WeakReference.prototype = {
     }
 };
 
+/**
+ * @param {function()} callback
+ */
+self.setImmediate = (function() {

[pfeldman, 2014/09/26 09:42:20]

@vsevik, @dgozman: do you want to count the number of style violations in this
function declaration? I can see about a dozen.

+    var callbacks = [];
+    function run() {
+        var cbList = callbacks.slice();
+        callbacks.length = 0;
+        cbList.forEach(function(callback) { callback(); });
+    };
+    return function setImmediate(callback) {
+        if (!callbacks.length)
+            new Promise(function(resolve,reject){ resolve(null);}).then(run);

[pfeldman, 2014/09/26 09:42:20]

self.setImmediate = function(callback)
{
    Promise.resolve().then(callback).catch(function(e) { console.error(e); });
}

+        callbacks.push(callback);
+    };
+})();