Move treestatus.js to a model class.

Tools/GardeningServer/model/tree-status.html

+<!--
+Copyright 2014 The Chromium Authors. All rights reserved.
+Use of this source code is governed by a BSD-style license that can be
+found in the LICENSE file.
+-->
+
+<script>
+function TreeStatus() {

[ojan, 2014/08/06 22:34:17]

Lets pass in the project name as a constructor on this element. That way
urlByName doesn't need to take it as an argument and can just be renamed to url,
which means ct-tree-status doesn't need to take a project attribute either.

[dsinclair, 2014/08/07 18:09:23]

Done.

+}
+
+TreeStatus.prototype.urlByName = function(name) {
+  if (name == 'blink')
+    return "http://blink-status.appspot.com/";
+  if (name == 'chromium')
+    return "http://chromium-status.appspot.com/";
+  return null;
+}
+
+TreeStatus.prototype.fetchTreeStatus = function(statusURL, resultSpan) {

[ojan, 2014/08/06 22:34:17]

This method appears to be unused. Delete it? I think it's just a leftover from
garden-o-matic I forgot to delete.

[dsinclair, 2014/08/07 18:09:23]

Done.

+  return net.json(statusURL).then(function(statusJSON) {
+    if (statusJSON.can_commit_freely)
+      resultSpan.textContent = "OPEN";
+    else
+      resultSpan.textContent = statusJSON.message + " by " + statusJSON.username;
+  });
+};
+</script>