First pass on FontWorker

worker/console.js

@@ -0,0 +1,27 @@
+/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- /
+/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
+
+"use strict";
+
+var consoleTimer = {};
+var console = {
+  log: function log() {
+    var args = Array.prototype.slice.call(arguments);
+    postMessage({
+      action: "log",
+      data: args
+    });
+  },
+  
+  time: function(name) {
+    consoleTimer[name] = Date.now();
+  },
+  
+  timeEnd: function(name) {
+    var time = consoleTimer[name];
+    if (time == null) {
+      throw "Unkown timer name " + name;
+    }
+    this.log("Timer:", name, Date.now() - time);
+  }
+}