Upstream about:welcome page for Android.

chrome/browser/resources/about_welcome_android/about_welcome_android.js

+// Copyright (c) 2012 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.
+
+// File Description:
+//     Contains all the necessary functions for rendering the Welcome page on
+//     Android.
+
+/*
+ * Handles initializing the UI when the page has finished loading.
+ */
+window.addEventListener('DOMContentLoaded', function(evt) {
+  var anchors = document.getElementsByTagName('a');
+  for (var i = 0; i < anchors.length; i++) {
+    anchors[i].oncontextmenu = function() { return false; };
+  }
+});