Update third_party/document_image_extractor

third_party/document_image_extractor/third_party/closure-library/closure/goog/labs/useragent/engine.js

Index: third_party/document_image_extractor/third_party/closure-library/closure/goog/labs/useragent/engine.js
diff --git a/third_party/document_image_extractor/third_party/closure-library/closure/goog/labs/useragent/engine.js b/third_party/document_image_extractor/third_party/closure-library/closure/goog/labs/useragent/engine.js
deleted file mode 100644
index bea9b694da815f86312babdd9f4f88574cffe20f..0000000000000000000000000000000000000000
--- a/third_party/document_image_extractor/third_party/closure-library/closure/goog/labs/useragent/engine.js
+++ /dev/null
@@ -1,160 +0,0 @@
-// Copyright 2013 The Closure Library Authors. All Rights Reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS-IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-/**
- * @fileoverview Closure user agent detection.
- * @see http://en.wikipedia.org/wiki/User_agent
- * For more information on browser brand, platform, or device see the other
- * sub-namespaces in goog.labs.userAgent (browser, platform, and device).
- *
- */
-
-goog.provide('goog.labs.userAgent.engine');
-
-goog.require('goog.array');
-goog.require('goog.labs.userAgent.util');
-goog.require('goog.string');
-
-
-/**
- * @return {boolean} Whether the rendering engine is Presto.
- */
-goog.labs.userAgent.engine.isPresto = function() {
-  return goog.labs.userAgent.util.matchUserAgent('Presto');
-};
-
-
-/**
- * @return {boolean} Whether the rendering engine is Trident.
- */
-goog.labs.userAgent.engine.isTrident = function() {
-  // IE only started including the Trident token in IE8.
-  return goog.labs.userAgent.util.matchUserAgent('Trident') ||
-      goog.labs.userAgent.util.matchUserAgent('MSIE');
-};
-
-
-/**
- * @return {boolean} Whether the rendering engine is Edge.
- */
-goog.labs.userAgent.engine.isEdge = function() {
-  return goog.labs.userAgent.util.matchUserAgent('Edge');
-};
-
-
-/**
- * @return {boolean} Whether the rendering engine is WebKit.
- */
-goog.labs.userAgent.engine.isWebKit = function() {
-  return goog.labs.userAgent.util.matchUserAgentIgnoreCase('WebKit') &&
-      !goog.labs.userAgent.engine.isEdge();
-};
-
-
-/**
- * @return {boolean} Whether the rendering engine is Gecko.
- */
-goog.labs.userAgent.engine.isGecko = function() {
-  return goog.labs.userAgent.util.matchUserAgent('Gecko') &&
-      !goog.labs.userAgent.engine.isWebKit() &&
-      !goog.labs.userAgent.engine.isTrident() &&
-      !goog.labs.userAgent.engine.isEdge();
-};
-
-
-/**
- * @return {string} The rendering engine's version or empty string if version
- *     can't be determined.
- */
-goog.labs.userAgent.engine.getVersion = function() {
-  var userAgentString = goog.labs.userAgent.util.getUserAgent();
-  if (userAgentString) {
-    var tuples = goog.labs.userAgent.util.extractVersionTuples(
-        userAgentString);
-
-    var engineTuple = goog.labs.userAgent.engine.getEngineTuple_(tuples);
-    if (engineTuple) {
-      // In Gecko, the version string is either in the browser info or the
-      // Firefox version.  See Gecko user agent string reference:
-      // http://goo.gl/mULqa
-      if (engineTuple[0] == 'Gecko') {
-        return goog.labs.userAgent.engine.getVersionForKey_(
-            tuples, 'Firefox');
-      }
-
-      return engineTuple[1];
-    }
-
-    // MSIE has only one version identifier, and the Trident version is
-    // specified in the parenthetical. IE Edge is covered in the engine tuple
-    // detection.
-    var browserTuple = tuples[0];
-    var info;
-    if (browserTuple && (info = browserTuple[2])) {
-      var match = /Trident\/([^\s;]+)/.exec(info);
-      if (match) {
-        return match[1];
-      }
-    }
-  }
-  return '';
-};
-
-
-/**
- * @param {!Array.<!Array.<string>>} tuples Extracted version tuples.
- * @return {!Array.<string>|undefined} The engine tuple or undefined if not
- *     found.
- * @private
- */
-goog.labs.userAgent.engine.getEngineTuple_ = function(tuples) {
-  if (!goog.labs.userAgent.engine.isEdge()) {
-    return tuples[1];
-  }
-  for (var i = 0; i < tuples.length; i++) {
-    var tuple = tuples[i];
-    if (tuple[0] == 'Edge') {
-      return tuple;
-    }
-  }
-};
-
-
-/**
- * @param {string|number} version The version to check.
- * @return {boolean} Whether the rendering engine version is higher or the same
- *     as the given version.
- */
-goog.labs.userAgent.engine.isVersionOrHigher = function(version) {
-  return goog.string.compareVersions(goog.labs.userAgent.engine.getVersion(),
-                                     version) >= 0;
-};
-
-
-/**
- * @param {!Array<!Array<string>>} tuples Version tuples.
- * @param {string} key The key to look for.
- * @return {string} The version string of the given key, if present.
- *     Otherwise, the empty string.
- * @private
- */
-goog.labs.userAgent.engine.getVersionForKey_ = function(tuples, key) {
-  // TODO(nnaze): Move to util if useful elsewhere.
-
-  var pair = goog.array.find(tuples, function(pair) {
-    return key == pair[0];
-  });
-
-  return pair && pair[1] || '';
-};