Remove Chrome Frame code and resources.

chrome_frame/CFInstall.js

Index: chrome_frame/CFInstall.js
diff --git a/chrome_frame/CFInstall.js b/chrome_frame/CFInstall.js
deleted file mode 100644
index 98c70f44bf7a0b7eeb13252873e94a27d39ffcba..0000000000000000000000000000000000000000
--- a/chrome_frame/CFInstall.js
+++ /dev/null
@@ -1,357 +0,0 @@
-// Copyright (c) 2009 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.
-
-/**
- * @fileoverview CFInstall.js provides a set of utilities for managing
- * the Chrome Frame detection and installation process.
- * @author slightlyoff@google.com (Alex Russell)
- */
-
-(function(scope) {
-  // bail if we'd be over-writing an existing CFInstall object
-  if (scope['CFInstall']) {
-    return;
-  }
-
-  /**
-   * returns an item based on DOM ID. Optionally a document may be provided to
-   * specify the scope to search in. If a node is passed, it's returned as-is.
-   * @param {string|Node} id The ID of the node to be located or a node
-   * @param {Node} doc Optional A document to search for id.
-   * @return {Node}
-   */
-  var byId = function(id, doc) {
-    return (typeof id == 'string') ? (doc || document).getElementById(id) : id;
-  };
-
-  /////////////////////////////////////////////////////////////////////////////
-  // Plugin Detection
-  /////////////////////////////////////////////////////////////////////////////
-
-  /**
-   * Checks to find out if ChromeFrame is available as a plugin
-   * @return {Boolean}
-   */
-  var isAvailable = function() {
-    // For testing purposes.
-    if (scope.CFInstall._force) {
-      return scope.CFInstall._forceValue;
-    }
-
-    // Look for CF in the User Agent before trying more expensive checks
-    var ua = navigator.userAgent.toLowerCase();
-    if (ua.indexOf("chromeframe") >= 0) {
-      return true;
-    }
-
-    if (typeof window['ActiveXObject'] != 'undefined') {
-      try {
-        var obj = new ActiveXObject('ChromeTab.ChromeFrame');
-        if (obj) {
-          obj.registerBhoIfNeeded();
-          return true;
-        }
-      } catch(e) {
-        // squelch
-      }
-    }
-    return false;
-  };
-
-  /**
-   * Creates a style sheet in the document containing the passed rules.
-   */
-  var injectStyleSheet = function(rules) {
-    try {
-      var ss = document.createElement('style');
-      ss.setAttribute('type', 'text/css');
-      if (ss.styleSheet) {
-        ss.styleSheet.cssText = rules;
-      } else {
-        ss.appendChild(document.createTextNode(rules));
-      }
-      var h = document.getElementsByTagName('head')[0];
-      var firstChild = h.firstChild;
-      h.insertBefore(ss, firstChild);
-    } catch (e) {
-      // squelch
-    }
-  };
-
-  /** @type {boolean} */
-  var cfStyleTagInjected = false;
-  /** @type {boolean} */
-  var cfHiddenInjected = false;
-
-  /**
-   * Injects style rules into the document to handle formatting of Chrome Frame
-   * prompt. Multiple calls have no effect.
-   */
-  var injectCFStyleTag = function() {
-    if (cfStyleTagInjected) {
-      // Once and only once
-      return;
-    }
-    var rules = '.chromeFrameInstallDefaultStyle {' +
-                   'width: 800px;' +
-                   'height: 600px;' +
-                   'position: absolute;' +
-                   'left: 50%;' +
-                   'top: 50%;' +
-                   'margin-left: -400px;' +
-                   'margin-top: -300px;' +
-                 '}' +
-                 '.chromeFrameOverlayContent {' +
-                   'position: absolute;' +
-                   'margin-left: -400px;' +
-                   'margin-top: -300px;' +
-                   'left: 50%;' +
-                   'top: 50%;' +
-                   'border: 1px solid #93B4D9;' +
-                   'background-color: white;' +
-                   'z-index: 2001;' +
-                 '}' +
-                 '.chromeFrameOverlayContent iframe {' +
-                   'width: 800px;' +
-                   'height: 600px;' +
-                   'border: none;' +
-                 '}' +
-                 '.chromeFrameOverlayCloseBar {' +
-                   'height: 1em;' +
-                   'text-align: right;' +
-                   'background-color: #CADEF4;' +
-                 '}' +
-                 '.chromeFrameOverlayUnderlay {' +
-                   'position: absolute;' +
-                   'width: 100%;' +
-                   'height: 100%;' +
-                   'background-color: white;' +
-                   'opacity: 0.5;' +
-                   '-moz-opacity: 0.5;' +
-                   '-webkit-opacity: 0.5;' +
-                   '-ms-filter: ' +
-                      '"progid:DXImageTransform.Microsoft.Alpha(Opacity=50)";' +
-                   'filter: alpha(opacity=50);' +
-                   'z-index: 2000;' +
-                 '}';
-    injectStyleSheet(rules);
-    cfStyleTagInjected = true;
-  };
-
-  /**
-   * Injects style rules to hide the overlay version of the GCF prompt.
-   * Multiple calls have no effect.
-   */
-  var closeOverlay = function() {
-    // IE has a limit to the # of <style> tags allowed, so we avoid
-    // tempting the fates.
-    if (cfHiddenInjected) {
-      return;
-    }
-    var rules = '.chromeFrameOverlayContent { display: none; }' +
-                '.chromeFrameOverlayUnderlay { display: none; }';
-    injectStyleSheet(rules);
-    // Hide the dialog for a year (or until cookies are deleted).
-    var age = 365 * 24 * 60 * 60 * 1000;
-    document.cookie = "disableGCFCheck=1;path=/;max-age="+age;
-    cfHiddenInjected = true;
-  };
-
-  /**
-   * Plucks properties from the passed arguments and sets them on the passed
-   * DOM node
-   * @param {Node} node The node to set properties on
-   * @param {Object} args A map of user-specified properties to set
-   */
-  var setProperties = function(node, args) {
-
-    var srcNode = byId(args['node']);
-
-    node.id = args['id'] || (srcNode ? srcNode['id'] || getUid(srcNode) : '');
-
-    // TODO(slightlyoff): Opera compat? need to test there
-    var cssText = args['cssText'] || '';
-    node.style.cssText = ' ' + cssText;
-
-    var classText = args['className'] || '';
-    node.className = classText;
-
-    // default if the browser doesn't so we don't show sad-tab
-    var src = args['src'] || 'about:blank';
-
-    node.src = src;
-
-    if (srcNode) {
-      srcNode.parentNode.replaceChild(node, srcNode);
-    }
-  };
-
-  /**
-   * Creates an iframe.
-   * @param {Object} args A bag of configuration properties, including values
-   *    like 'node', 'cssText', 'className', 'id', 'src', etc.
-   * @return {Node}
-   */
-  var makeIframe = function(args) {
-    var el = document.createElement('iframe');
-    el.setAttribute('frameborder', '0');
-    el.setAttribute('border', '0');
-    setProperties(el, args);
-    return el;
-  };
-
-  /**
-   * Adds an unadorned iframe into the page, taking arguments to customize it.
-   * @param {Object} args A map of user-specified properties to set
-   */
-  var makeInlinePrompt = function(args) {
-    args.className = 'chromeFrameInstallDefaultStyle ' +
-                        (args.className || '');
-    var ifr = makeIframe(args);
-    // TODO(slightlyoff): handle placement more elegantly!
-    if (!ifr.parentNode) {
-      var firstChild = document.body.firstChild;
-      document.body.insertBefore(ifr, firstChild);
-    }
-  };
-
-  /**
-   * Adds a styled, closable iframe into the page with a background that
-   * emulates a modal dialog.
-   * @param {Object} args A map of user-specified properties to set
-   */
-  var makeOverlayPrompt = function(args) {
-    if (byId('chromeFrameOverlayContent')) {
-      return; // Was previously created. Bail.
-    }
-
-    var n = document.createElement('span');
-    n.innerHTML = '<div class="chromeFrameOverlayUnderlay"></div>' +
-      '<table class="chromeFrameOverlayContent"' +
-             'id="chromeFrameOverlayContent"' +
-             'cellpadding="0" cellspacing="0">' +
-        '<tr class="chromeFrameOverlayCloseBar">' +
-          '<td>' +
-            // TODO(slightlyoff): i18n
-            '<button id="chromeFrameCloseButton">close</button>' +
-          '</td>' +
-        '</tr>' +
-        '<tr>' +
-          '<td id="chromeFrameIframeHolder"></td>' +
-        '</tr>' +
-      '</table>';
-
-    var b = document.body;
-    // Insert underlay nodes into the document in the right order.
-    while (n.firstChild) {
-      b.insertBefore(n.lastChild, b.firstChild);
-    }
-    var ifr = makeIframe(args);
-    byId('chromeFrameIframeHolder').appendChild(ifr);
-    byId('chromeFrameCloseButton').onclick = closeOverlay;
-  };
-
-  var CFInstall = {};
-
-  /**
-   * Checks to see if Chrome Frame is available, if not, prompts the user to
-   * install. Once installation is begun, a background timer starts,
-   * checkinging for a successful install every 2 seconds. Upon detection of
-   * successful installation, the current page is reloaded, or if a
-   * 'destination' parameter is passed, the page navigates there instead.
-   * @param {Object} args A bag of configuration properties. Respected
-   *    properties are: 'mode', 'url', 'destination', 'node', 'onmissing',
-   *    'preventPrompt', 'oninstall', 'preventInstallDetection', 'cssText', and
-   *    'className'.
-   * @public
-   */
-  CFInstall.check = function(args) {
-    args = args || {};
-
-    // We currently only support CF in IE
-    // TODO(slightlyoff): Update this should we support other browsers!
-    var ua = navigator.userAgent;
-    var ieRe = /MSIE (\S+); Windows NT/;
-    var bail = false;
-    if (ieRe.test(ua)) {
-      // We also only support Win2003/XPSP2 or better. See:
-      //  http://msdn.microsoft.com/en-us/library/ms537503%28VS.85%29.aspx
-      if (parseFloat(ieRe.exec(ua)[1]) < 6 &&
-          // 'SV1' indicates SP2, only bail if not SP2 or Win2K3
-          ua.indexOf('SV1') < 0) {
-        bail = true;
-      }
-    } else {
-      // Not IE
-      bail = true;
-    }
-    if (bail) {
-      return;
-    }
-
-    // Inject the default styles
-    injectCFStyleTag();
-
-    if (document.cookie.indexOf("disableGCFCheck=1") >=0) {
-      // If we're supposed to hide the overlay prompt, add the rules to do it.
-      closeOverlay();
-    }
-
-    // When loaded in an alternate protocol (e.g., "file:"), still call out to
-    // the right location.
-    var currentProtocol = document.location.protocol;
-    var protocol = (currentProtocol == 'https:') ? 'https:' : 'http:';
-    // TODO(slightlyoff): Update this URL when a mini-installer page is
-    //   available.
-    var installUrl = protocol + '//www.google.com/chromeframe';
-    if (!isAvailable()) {
-      if (args.onmissing) {
-        args.onmissing();
-      }
-
-      args.src = args.url || installUrl;
-      var mode = args.mode || 'inline';
-      var preventPrompt = args.preventPrompt || false;
-
-      if (!preventPrompt) {
-        if (mode == 'inline') {
-          makeInlinePrompt(args);
-        } else if (mode == 'overlay') {
-          makeOverlayPrompt(args);
-        } else {
-          window.open(args.src);
-        }
-      }
-
-      if (args.preventInstallDetection) {
-        return;
-      }
-
-      // Begin polling for install success.
-      var installTimer = setInterval(function() {
-          // every 2 seconds, look to see if CF is available, if so, proceed on
-          // to our destination
-          if (isAvailable()) {
-            if (args.oninstall) {
-              args.oninstall();
-            }
-
-            clearInterval(installTimer);
-            // TODO(slightlyoff): add a way to prevent navigation or make it
-            //    contingent on oninstall?
-            window.location = args.destination || window.location;
-          }
-      }, 2000);
-    }
-  };
-
-  CFInstall._force = false;
-  CFInstall._forceValue = false;
-  CFInstall.isAvailable = isAvailable;
-
-  // expose CFInstall to the external scope. We've already checked to make
-  // sure we're not going to blow existing objects away.
-  scope.CFInstall = CFInstall;
-
-})(this['ChromeFrameInstallScope'] || this);