Move _SynchronousQueue into another file

This commit does not build but exists so that the next commit shows
diffs better.

packages/meteor/fiber_stubs_client.js

@@ -6,71 +6,3 @@
 Meteor._noYieldsAllowed = function (f) {
   return f();
 };
-
-// An even simpler queue of tasks than the fiber-enabled one.  This one just
-// runs all the tasks when you call runTask or flush, synchronously.
-//
-Meteor._SynchronousQueue = function () {
-  var self = this;
-  self._tasks = [];
-  self._running = false;
-};
-
-_.extend(Meteor._SynchronousQueue.prototype, {
-  runTask: function (task) {
-    var self = this;
-    if (!self.safeToRunTask())
-      throw new Error("Could not synchronously run a task from a running task");
-    self._tasks.push(task);
-    var tasks = self._tasks;
-    self._tasks = [];
-    self._running = true;
-    try {
-      while (!_.isEmpty(tasks)) {
-        var t = tasks.shift();
-        try {
-          t();
-        } catch (e) {
-          if (_.isEmpty(tasks)) {
-            // this was the last task, that is, the one we're calling runTask
-            // for.
-            throw e;
-          } else {
-            Meteor._debug("Exception in queued task: " + e.stack);
-          }
-        }
-      }
-    } finally {
-      self._running = false;
-    }
-  },
-
-  queueTask: function (task) {
-    var self = this;
-    var wasEmpty = _.isEmpty(self._tasks);
-    self._tasks.push(task);
-    // Intentionally not using Meteor.setTimeout, because it doesn't like runing
-    // in stubs for now.
-    if (wasEmpty)
-      setTimeout(_.bind(self.flush, self), 0);
-  },
-
-  flush: function () {
-    var self = this;
-    self.runTask(function () {});
-  },
-
-  drain: function () {
-    var self = this;
-    if (!self.safeToRunTask())
-      return;
-    while (!_.isEmpty(self._tasks)) {
-      self.flush();
-    }
-  },
-
-  safeToRunTask: function () {
-    var self = this;
-    return !self._running;
-  }
-});

packages/meteor/unyielding_queue.js

@@ -0,0 +1,67 @@
+// An even simpler queue of tasks than the fiber-enabled one.  This one just
+// runs all the tasks when you call runTask or flush, synchronously.
+//
+Meteor._SynchronousQueue = function () {
+  var self = this;
+  self._tasks = [];
+  self._running = false;
+};
+
+_.extend(Meteor._SynchronousQueue.prototype, {
+  runTask: function (task) {
+    var self = this;
+    if (!self.safeToRunTask())
+      throw new Error("Could not synchronously run a task from a running task");
+    self._tasks.push(task);
+    var tasks = self._tasks;
+    self._tasks = [];
+    self._running = true;
+    try {
+      while (!_.isEmpty(tasks)) {
+        var t = tasks.shift();
+        try {
+          t();
+        } catch (e) {
+          if (_.isEmpty(tasks)) {
+            // this was the last task, that is, the one we're calling runTask
+            // for.
+            throw e;
+          } else {
+            Meteor._debug("Exception in queued task: " + e.stack);
+          }
+        }
+      }
+    } finally {
+      self._running = false;
+    }
+  },
+
+  queueTask: function (task) {
+    var self = this;
+    var wasEmpty = _.isEmpty(self._tasks);
+    self._tasks.push(task);
+    // Intentionally not using Meteor.setTimeout, because it doesn't like runing
+    // in stubs for now.
+    if (wasEmpty)
+      setTimeout(_.bind(self.flush, self), 0);
+  },
+
+  flush: function () {
+    var self = this;
+    self.runTask(function () {});
+  },
+
+  drain: function () {
+    var self = this;
+    if (!self.safeToRunTask())
+      return;
+    while (!_.isEmpty(self._tasks)) {
+      self.flush();
+    }
+  },
+
+  safeToRunTask: function () {
+    var self = this;
+    return !self._running;
+  }
+});