MD History: Display synced tabs history.

chrome/browser/resources/md_history/side_bar.js

Index: chrome/browser/resources/md_history/side_bar.js
diff --git a/chrome/browser/resources/md_history/side_bar.js b/chrome/browser/resources/md_history/side_bar.js
new file mode 100644
index 0000000000000000000000000000000000000000..57323af2ebfbd08e9161d0d53b46232b4c86dd86
--- /dev/null
+++ b/chrome/browser/resources/md_history/side_bar.js
@@ -0,0 +1,13 @@
+// Copyright 2016 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.
+
+Polymer({
+  is: 'history-side-bar',
+
+  onSelect: function(e, details) {
+    console.log(details.item.id);
+    this.fire('switch-display', { display: details.item.id });
+  },
+
+});