Update third_party/document_image_extractor

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

Index: third_party/document_image_extractor/third_party/closure-library/closure/goog/useragent/useragent.js
diff --git a/third_party/document_image_extractor/third_party/closure-library/closure/goog/useragent/useragent.js b/third_party/document_image_extractor/third_party/closure-library/closure/goog/useragent/useragent.js
deleted file mode 100644
index c2ce867f5ee9fd59ae64544648f5a87dfadfe467..0000000000000000000000000000000000000000
--- a/third_party/document_image_extractor/third_party/closure-library/closure/goog/useragent/useragent.js
+++ /dev/null
@@ -1,538 +0,0 @@
-// Copyright 2006 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 Rendering engine detection.
- * @see <a href="http://www.useragentstring.com/">User agent strings</a>
- * For information on the browser brand (such as Safari versus Chrome), see
- * goog.userAgent.product.
- * @author arv@google.com (Erik Arvidsson)
- * @see ../demos/useragent.html
- */
-
-goog.provide('goog.userAgent');
-
-goog.require('goog.labs.userAgent.browser');
-goog.require('goog.labs.userAgent.engine');
-goog.require('goog.labs.userAgent.platform');
-goog.require('goog.labs.userAgent.util');
-goog.require('goog.string');
-
-
-/**
- * @define {boolean} Whether we know at compile-time that the browser is IE.
- */
-goog.define('goog.userAgent.ASSUME_IE', false);
-
-
-/**
- * @define {boolean} Whether we know at compile-time that the browser is GECKO.
- */
-goog.define('goog.userAgent.ASSUME_GECKO', false);
-
-
-/**
- * @define {boolean} Whether we know at compile-time that the browser is WEBKIT.
- */
-goog.define('goog.userAgent.ASSUME_WEBKIT', false);
-
-
-/**
- * @define {boolean} Whether we know at compile-time that the browser is a
- *     mobile device running WebKit e.g. iPhone or Android.
- */
-goog.define('goog.userAgent.ASSUME_MOBILE_WEBKIT', false);
-
-
-/**
- * @define {boolean} Whether we know at compile-time that the browser is OPERA.
- */
-goog.define('goog.userAgent.ASSUME_OPERA', false);
-
-
-/**
- * @define {boolean} Whether the
- *     {@code goog.userAgent.isVersionOrHigher}
- *     function will return true for any version.
- */
-goog.define('goog.userAgent.ASSUME_ANY_VERSION', false);
-
-
-/**
- * Whether we know the browser engine at compile-time.
- * @type {boolean}
- * @private
- */
-goog.userAgent.BROWSER_KNOWN_ =
-    goog.userAgent.ASSUME_IE ||
-    goog.userAgent.ASSUME_GECKO ||
-    goog.userAgent.ASSUME_MOBILE_WEBKIT ||
-    goog.userAgent.ASSUME_WEBKIT ||
-    goog.userAgent.ASSUME_OPERA;
-
-
-/**
- * Returns the userAgent string for the current browser.
- *
- * @return {string} The userAgent string.
- */
-goog.userAgent.getUserAgentString = function() {
-  return goog.labs.userAgent.util.getUserAgent();
-};
-
-
-/**
- * TODO(nnaze): Change type to "Navigator" and update compilation targets.
- * @return {Object} The native navigator object.
- */
-goog.userAgent.getNavigator = function() {
-  // Need a local navigator reference instead of using the global one,
-  // to avoid the rare case where they reference different objects.
-  // (in a WorkerPool, for example).
-  return goog.global['navigator'] || null;
-};
-
-
-/**
- * Whether the user agent is Opera.
- * @type {boolean}
- */
-goog.userAgent.OPERA = goog.userAgent.BROWSER_KNOWN_ ?
-    goog.userAgent.ASSUME_OPERA :
-    goog.labs.userAgent.browser.isOpera();
-
-
-/**
- * Whether the user agent is Internet Explorer.
- * @type {boolean}
- */
-goog.userAgent.IE = goog.userAgent.BROWSER_KNOWN_ ?
-    goog.userAgent.ASSUME_IE :
-    goog.labs.userAgent.browser.isIE();
-
-
-/**
- * Whether the user agent is Gecko. Gecko is the rendering engine used by
- * Mozilla, Firefox, and others.
- * @type {boolean}
- */
-goog.userAgent.GECKO = goog.userAgent.BROWSER_KNOWN_ ?
-    goog.userAgent.ASSUME_GECKO :
-    goog.labs.userAgent.engine.isGecko();
-
-
-/**
- * Whether the user agent is WebKit. WebKit is the rendering engine that
- * Safari, Android and others use.
- * @type {boolean}
- */
-goog.userAgent.WEBKIT = goog.userAgent.BROWSER_KNOWN_ ?
-    goog.userAgent.ASSUME_WEBKIT || goog.userAgent.ASSUME_MOBILE_WEBKIT :
-    goog.labs.userAgent.engine.isWebKit();
-
-
-/**
- * Whether the user agent is running on a mobile device.
- *
- * This is a separate function so that the logic can be tested.
- *
- * TODO(nnaze): Investigate swapping in goog.labs.userAgent.device.isMobile().
- *
- * @return {boolean} Whether the user agent is running on a mobile device.
- * @private
- */
-goog.userAgent.isMobile_ = function() {
-  return goog.userAgent.WEBKIT &&
-         goog.labs.userAgent.util.matchUserAgent('Mobile');
-};
-
-
-/**
- * Whether the user agent is running on a mobile device.
- *
- * TODO(nnaze): Consider deprecating MOBILE when labs.userAgent
- *   is promoted as the gecko/webkit logic is likely inaccurate.
- *
- * @type {boolean}
- */
-goog.userAgent.MOBILE = goog.userAgent.ASSUME_MOBILE_WEBKIT ||
-                        goog.userAgent.isMobile_();
-
-
-/**
- * Used while transitioning code to use WEBKIT instead.
- * @type {boolean}
- * @deprecated Use {@link goog.userAgent.product.SAFARI} instead.
- * TODO(nicksantos): Delete this from goog.userAgent.
- */
-goog.userAgent.SAFARI = goog.userAgent.WEBKIT;
-
-
-/**
- * @return {string} the platform (operating system) the user agent is running
- *     on. Default to empty string because navigator.platform may not be defined
- *     (on Rhino, for example).
- * @private
- */
-goog.userAgent.determinePlatform_ = function() {
-  var navigator = goog.userAgent.getNavigator();
-  return navigator && navigator.platform || '';
-};
-
-
-/**
- * The platform (operating system) the user agent is running on. Default to
- * empty string because navigator.platform may not be defined (on Rhino, for
- * example).
- * @type {string}
- */
-goog.userAgent.PLATFORM = goog.userAgent.determinePlatform_();
-
-
-/**
- * @define {boolean} Whether the user agent is running on a Macintosh operating
- *     system.
- */
-goog.define('goog.userAgent.ASSUME_MAC', false);
-
-
-/**
- * @define {boolean} Whether the user agent is running on a Windows operating
- *     system.
- */
-goog.define('goog.userAgent.ASSUME_WINDOWS', false);
-
-
-/**
- * @define {boolean} Whether the user agent is running on a Linux operating
- *     system.
- */
-goog.define('goog.userAgent.ASSUME_LINUX', false);
-
-
-/**
- * @define {boolean} Whether the user agent is running on a X11 windowing
- *     system.
- */
-goog.define('goog.userAgent.ASSUME_X11', false);
-
-
-/**
- * @define {boolean} Whether the user agent is running on Android.
- */
-goog.define('goog.userAgent.ASSUME_ANDROID', false);
-
-
-/**
- * @define {boolean} Whether the user agent is running on an iPhone.
- */
-goog.define('goog.userAgent.ASSUME_IPHONE', false);
-
-
-/**
- * @define {boolean} Whether the user agent is running on an iPad.
- */
-goog.define('goog.userAgent.ASSUME_IPAD', false);
-
-
-/**
- * @type {boolean}
- * @private
- */
-goog.userAgent.PLATFORM_KNOWN_ =
-    goog.userAgent.ASSUME_MAC ||
-    goog.userAgent.ASSUME_WINDOWS ||
-    goog.userAgent.ASSUME_LINUX ||
-    goog.userAgent.ASSUME_X11 ||
-    goog.userAgent.ASSUME_ANDROID ||
-    goog.userAgent.ASSUME_IPHONE ||
-    goog.userAgent.ASSUME_IPAD;
-
-
-/**
- * Whether the user agent is running on a Macintosh operating system.
- * @type {boolean}
- */
-goog.userAgent.MAC = goog.userAgent.PLATFORM_KNOWN_ ?
-    goog.userAgent.ASSUME_MAC : goog.labs.userAgent.platform.isMacintosh();
-
-
-/**
- * Whether the user agent is running on a Windows operating system.
- * @type {boolean}
- */
-goog.userAgent.WINDOWS = goog.userAgent.PLATFORM_KNOWN_ ?
-    goog.userAgent.ASSUME_WINDOWS :
-    goog.labs.userAgent.platform.isWindows();
-
-
-/**
- * Whether the user agent is Linux per the legacy behavior of
- * goog.userAgent.LINUX, which considered ChromeOS to also be
- * Linux.
- * @return {boolean}
- * @private
- */
-goog.userAgent.isLegacyLinux_ = function() {
-  return goog.labs.userAgent.platform.isLinux() ||
-      goog.labs.userAgent.platform.isChromeOS();
-};
-
-
-/**
- * Whether the user agent is running on a Linux operating system.
- *
- * Note that goog.userAgent.LINUX considers ChromeOS to be Linux,
- * while goog.labs.userAgent.platform considers ChromeOS and
- * Linux to be different OSes.
- *
- * @type {boolean}
- */
-goog.userAgent.LINUX = goog.userAgent.PLATFORM_KNOWN_ ?
-    goog.userAgent.ASSUME_LINUX :
-    goog.userAgent.isLegacyLinux_();
-
-
-/**
- * @return {boolean} Whether the user agent is an X11 windowing system.
- * @private
- */
-goog.userAgent.isX11_ = function() {
-  var navigator = goog.userAgent.getNavigator();
-  return !!navigator &&
-      goog.string.contains(navigator['appVersion'] || '', 'X11');
-};
-
-
-/**
- * Whether the user agent is running on a X11 windowing system.
- * @type {boolean}
- */
-goog.userAgent.X11 = goog.userAgent.PLATFORM_KNOWN_ ?
-    goog.userAgent.ASSUME_X11 :
-    goog.userAgent.isX11_();
-
-
-/**
- * Whether the user agent is running on Android.
- * @type {boolean}
- */
-goog.userAgent.ANDROID = goog.userAgent.PLATFORM_KNOWN_ ?
-    goog.userAgent.ASSUME_ANDROID :
-    goog.labs.userAgent.platform.isAndroid();
-
-
-/**
- * Whether the user agent is running on an iPhone.
- * @type {boolean}
- */
-goog.userAgent.IPHONE = goog.userAgent.PLATFORM_KNOWN_ ?
-    goog.userAgent.ASSUME_IPHONE :
-    goog.labs.userAgent.platform.isIphone();
-
-
-/**
- * Whether the user agent is running on an iPad.
- * @type {boolean}
- */
-goog.userAgent.IPAD = goog.userAgent.PLATFORM_KNOWN_ ?
-    goog.userAgent.ASSUME_IPAD :
-    goog.labs.userAgent.platform.isIpad();
-
-
-/**
- * @return {string} The string that describes the version number of the user
- *     agent.
- * @private
- */
-goog.userAgent.determineVersion_ = function() {
-  // All browsers have different ways to detect the version and they all have
-  // different naming schemes.
-
-  if (goog.userAgent.OPERA && goog.global['opera']) {
-    var operaVersion = goog.global['opera'].version;
-    return goog.isFunction(operaVersion) ? operaVersion() : operaVersion;
-  }
-
-  // version is a string rather than a number because it may contain 'b', 'a',
-  // and so on.
-  var version = '';
-  var arr = goog.userAgent.getVersionRegexResult_();
-  if (arr) {
-    version = arr ? arr[1] : '';
-  }
-
-  if (goog.userAgent.IE && !goog.labs.userAgent.engine.isEdge()) {
-    // IE9 can be in document mode 9 but be reporting an inconsistent user agent
-    // version.  If it is identifying as a version lower than 9 we take the
-    // documentMode as the version instead.  IE8 has similar behavior.
-    // It is recommended to set the X-UA-Compatible header to ensure that IE9
-    // uses documentMode 9.
-    var docMode = goog.userAgent.getDocumentMode_();
-    if (docMode > parseFloat(version)) {
-      return String(docMode);
-    }
-  }
-
-  return version;
-};
-
-
-/**
- * @return {Array|undefined} The version regex matches from parsing the user
- *     agent string. These regex statements must be executed inline so they can
- *     be compiled out by the closure compiler with the rest of the useragent
- *     detection logic when ASSUME_* is specified.
- * @private
- */
-goog.userAgent.getVersionRegexResult_ = function() {
-  var userAgent = goog.userAgent.getUserAgentString();
-  if (goog.userAgent.GECKO) {
-    return /rv\:([^\);]+)(\)|;)/.exec(userAgent);
-  }
-  if (goog.userAgent.IE && goog.labs.userAgent.engine.isEdge()) {
-    return /Edge\/([\d\.]+)/.exec(userAgent);
-  }
-  if (goog.userAgent.IE) {
-    return /\b(?:MSIE|rv)[: ]([^\);]+)(\)|;)/.exec(userAgent);
-  }
-  if (goog.userAgent.WEBKIT) {
-    // WebKit/125.4
-    return /WebKit\/(\S+)/.exec(userAgent);
-  }
-};
-
-
-/**
- * @return {number|undefined} Returns the document mode (for testing).
- * @private
- */
-goog.userAgent.getDocumentMode_ = function() {
-  // NOTE(user): goog.userAgent may be used in context where there is no DOM.
-  var doc = goog.global['document'];
-  return doc ? doc['documentMode'] : undefined;
-};
-
-
-/**
- * The version of the user agent. This is a string because it might contain
- * 'b' (as in beta) as well as multiple dots.
- * @type {string}
- */
-goog.userAgent.VERSION = goog.userAgent.determineVersion_();
-
-
-/**
- * Compares two version numbers.
- *
- * @param {string} v1 Version of first item.
- * @param {string} v2 Version of second item.
- *
- * @return {number}  1 if first argument is higher
- *                   0 if arguments are equal
- *                  -1 if second argument is higher.
- * @deprecated Use goog.string.compareVersions.
- */
-goog.userAgent.compare = function(v1, v2) {
-  return goog.string.compareVersions(v1, v2);
-};
-
-
-/**
- * Cache for {@link goog.userAgent.isVersionOrHigher}.
- * Calls to compareVersions are surprisingly expensive and, as a browser's
- * version number is unlikely to change during a session, we cache the results.
- * @const
- * @private
- */
-goog.userAgent.isVersionOrHigherCache_ = {};
-
-
-/**
- * Whether the user agent version is higher or the same as the given version.
- * NOTE: When checking the version numbers for Firefox and Safari, be sure to
- * use the engine's version, not the browser's version number.  For example,
- * Firefox 3.0 corresponds to Gecko 1.9 and Safari 3.0 to Webkit 522.11.
- * Opera and Internet Explorer versions match the product release number.<br>
- * @see <a href="http://en.wikipedia.org/wiki/Safari_version_history">
- *     Webkit</a>
- * @see <a href="http://en.wikipedia.org/wiki/Gecko_engine">Gecko</a>
- *
- * @param {string|number} version The version to check.
- * @return {boolean} Whether the user agent version is higher or the same as
- *     the given version.
- */
-goog.userAgent.isVersionOrHigher = function(version) {
-  return goog.userAgent.ASSUME_ANY_VERSION ||
-      goog.userAgent.isVersionOrHigherCache_[version] ||
-      (goog.userAgent.isVersionOrHigherCache_[version] =
-          goog.string.compareVersions(goog.userAgent.VERSION, version) >= 0);
-};
-
-
-/**
- * Deprecated alias to {@code goog.userAgent.isVersionOrHigher}.
- * @param {string|number} version The version to check.
- * @return {boolean} Whether the user agent version is higher or the same as
- *     the given version.
- * @deprecated Use goog.userAgent.isVersionOrHigher().
- */
-goog.userAgent.isVersion = goog.userAgent.isVersionOrHigher;
-
-
-/**
- * Whether the IE effective document mode is higher or the same as the given
- * document mode version. Because document modes were deprecated with the launch
- * of IE's new Edge engine, Edge browsers will always return true for this
- * function.
- * NOTE: Only for IE, return false for another browser.
- *
- * @param {number} documentMode The document mode version to check.
- * @return {boolean} Whether the IE effective document mode is higher or the
- *     same as the given version.
- */
-goog.userAgent.isDocumentModeOrHigher = function(documentMode) {
-  return goog.userAgent.IE && (goog.labs.userAgent.engine.isEdge() ||
-      goog.userAgent.DOCUMENT_MODE >= documentMode);
-};
-
-
-/**
- * Deprecated alias to {@code goog.userAgent.isDocumentModeOrHigher}.
- * @param {number} version The version to check.
- * @return {boolean} Whether the IE effective document mode is higher or the
- *      same as the given version.
- * @deprecated Use goog.userAgent.isDocumentModeOrHigher().
- */
-goog.userAgent.isDocumentMode = goog.userAgent.isDocumentModeOrHigher;
-
-
-/**
- * For IE version < 7 and IE Edge browsers, documentMode is undefined. For
- * non-Edge browsers attempt to use the CSS1Compat property to see if we are in
- * standards mode. If we are in standards mode, treat the browser version as the
- * document mode. Otherwise, IE is emulating version 5.
- * @type {number|undefined}
- * @const
- */
-goog.userAgent.DOCUMENT_MODE = (function() {
-  var doc = goog.global['document'];
-  var mode = goog.userAgent.getDocumentMode_();
-  if (!doc || !goog.userAgent.IE ||
-      (!mode && goog.labs.userAgent.engine.isEdge())) {
-    return undefined;
-  }
-  return mode || (doc['compatMode'] == 'CSS1Compat' ?
-      parseInt(goog.userAgent.VERSION, 10) : 5);
-})();