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diff --git a/contexts/data/lib/closure-library/third_party/closure/goog/silverlight/supporteduseragent.js b/contexts/data/lib/closure-library/third_party/closure/goog/silverlight/supporteduseragent.js
deleted file mode 100644
index e436d9b..0000000
--- a/contexts/data/lib/closure-library/third_party/closure/goog/silverlight/supporteduseragent.js
+++ /dev/null
@@ -1,138 +0,0 @@
-/**
- * @license
- * Portions of this code are from Silverlight.supportedUserAgent.js
- * under the Ms-PL license.
- *
- * Silverlight.supportedUserAgent.js version 4.0.50401.0
- *
- * This file is provided by Microsoft as a helper file for websites that
- * incorporate Silverlight Objects. This file is provided under the Microsoft
- * Public License available at
- * http://code.msdn.microsoft.com/SLsupportedUA/Project/License.aspx.
- * You may not use or distribute this file or the code in this file except as
- * expressly permitted under that license.
- *
- * Copyright (c) Microsoft Corporation. All rights reserved.
- */
-
-/**
- * @fileoverview Modified version of Silverlight.supportedUserAgent.js
- * to work with the compiler's advanced modes. The API should be the same,
- * except that they're namespaced under goog.silverlight
- * instead of Silverlight.
- *
- * @author nicksantos@google.com (Nick Santos) (ported to Closure)
- */
-
-goog.provide('goog.silverlight.supportedUserAgent');
-
-
-/**
- * NOTE: This function is strongly tied to current implementations of web
- * browsers. The implementation of this function will change over time to
- * account for new Web browser developments. Visit
- * http://code.msdn.microsoft.com/SLsupportedUA often to ensure that you have
- * the latest version.
- *
- * Determines if the client browser is supported by Silverlight.
- *
- * @param {string} version
- * determines if a particular version of Silverlight supports
- * this browser. Acceptable values are "1.0" and "2.0".
- * @param {string=} userAgent
- * optional. User Agent string to be analized. If null then the
- * current browsers user agent string will be used.
- *
- * @return {boolean} Whether the user agent is supported.
- */
-goog.silverlight.supportedUserAgent = function(version, userAgent) {
- try {
- var ua = null;
-
- if (userAgent) {
- ua = userAgent;
- } else {
- ua = window.navigator.userAgent;
- }
-
- var slua = {OS: 'Unsupported', Browser: 'Unsupported'};
-
- //Silverlight does not support pre-Windows NT platforms
- if (ua.indexOf('Windows NT') >= 0 ||
- ua.indexOf('Mozilla/4.0 (compatible; MSIE 6.0)') >= 0) {
- slua.OS = 'Windows';
- } else if (ua.indexOf('PPC Mac OS X') >= 0) {
- slua.OS = 'MacPPC';
- } else if (ua.indexOf('Intel Mac OS X') >= 0) {
- slua.OS = 'MacIntel';
- } else if (ua.indexOf('Linux') >= 0) {
- slua.OS = 'Linux';
- }
-
- if (slua.OS != 'Unsupported') {
- if (ua.indexOf('MSIE') >= 0) {
- if (navigator.userAgent.indexOf('Win64') == -1) {
- if (parseInt(ua.split('MSIE')[1], 10) >= 6) {
- slua.Browser = 'MSIE';
- }
- }
- } else if (ua.indexOf('Firefox') >= 0) {
- var versionArr = ua.split('Firefox/')[1].split('.');
- var major = parseInt(versionArr[0], 10);
- if (major >= 2) {
- slua.Browser = 'Firefox';
- } else {
- var minor = parseInt(versionArr[1], 10);
- if ((major == 1) && (minor >= 5)) {
- slua.Browser = 'Firefox';
- }
- }
- } else if (ua.indexOf('Chrome') >= 0) {
- slua.Browser = 'Chrome';
- } else if (ua.indexOf('Safari') >= 0) {
- slua.Browser = 'Safari';
- }
- }
-
- var sl_version = parseInt(version, 10);
-
- // detect all unsupported platform combinations (IE on Mac, Safari on Win)
- var supUA = (!(// Unsupported OS
- slua.OS == 'Unsupported' ||
- // Unsupported Browser
- slua.Browser == 'Unsupported' ||
- // Safari is not supported on Windows
- (slua.OS == 'Windows' && slua.Browser == 'Safari') ||
- // IE is not supported on Mac
- (slua.OS.indexOf('Mac') >= 0 && slua.Browser == 'MSIE') ||
- // Google Chrome is not supported on Mac
- (slua.OS.indexOf('Mac') >= 0 && slua.Browser == 'Chrome')));
-
- // Detection of specific platform/versions
-
- // Google Chrome only on Windows and only in SL4+
- if ((slua.OS.indexOf('Windows') >= 0 &&
- slua.Browser == 'Chrome' && sl_version < 4)) {
- return false;
- }
-
- // detect unsupported MacPPC platforms (basically anything but 1.0)
- if ((slua.OS == 'MacPPC') && (sl_version > 1)) {
- return ((supUA && (slua.OS != 'MacPPC')));
- }
-
- // detect unsupported Linux platforms per Moonlight
- if ((slua.OS == 'Linux') && (sl_version > 2)) {
- return ((supUA && (slua.OS != 'Linux')));
- }
-
- // detect other unsupported 1.0 platforms (win2k)
- if (version == '1.0') {
- return (supUA && (ua.indexOf('Windows NT 5.0') < 0));
- } else {
- return (supUA);
- }
- } catch (e) {
- return false;
- }
-};