Generalize data directory

1 files changed, 0 insertions, 779 deletions

diff --git a/helpers/DATA/firefox/gnu/extensions/spyblock@gnu.org/lib/contentPolicy.js b/helpers/DATA/firefox/gnu/extensions/spyblock@gnu.org/lib/contentPolicy.js
deleted file mode 100644
index 084ebc5..0000000
--- a/helpers/DATA/firefox/gnu/extensions/spyblock@gnu.org/lib/contentPolicy.js
+++ /dev/null
@@ -1,779 +0,0 @@
-/*
- * This file is part of Adblock Plus <http://adblockplus.org/>,
- * Copyright (C) 2006-2014 Eyeo GmbH
- *
- * Adblock Plus is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 3 as
- * published by the Free Software Foundation.
- *
- * Adblock Plus is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-/**
- * @fileOverview Content policy implementation, responsible for blocking things.
- */
-
-Cu.import("resource://gre/modules/XPCOMUtils.jsm");
-Cu.import("resource://gre/modules/Services.jsm");
-
-let {TimeLine} = require("timeline");
-let {Utils} = require("utils");
-let {Prefs} = require("prefs");
-let {FilterStorage} = require("filterStorage");
-let {BlockingFilter, WhitelistFilter} = require("filterClasses");
-let {defaultMatcher} = require("matcher");
-let {objectMouseEventHander} = require("objectTabs");
-let {RequestNotifier} = require("requestNotifier");
-let {ElemHide} = require("elemHide");
-
-/**
- * List of explicitly supported content types
- * @type Array of String
- */
-let contentTypes = ["OTHER", "SCRIPT", "IMAGE", "STYLESHEET", "OBJECT", "SUBDOCUMENT", "DOCUMENT", "XMLHTTPREQUEST", "OBJECT_SUBREQUEST", "FONT", "MEDIA"];
-
-/**
- * List of content types that aren't associated with a visual document area
- * @type Array of String
- */
-let nonVisualTypes = ["SCRIPT", "STYLESHEET", "XMLHTTPREQUEST", "OBJECT_SUBREQUEST", "FONT"];
-
-/**
- * Randomly generated class name, to be applied to collapsed nodes.
- */
-let collapsedClass = "";
-
-/**
- * Public policy checking functions and auxiliary objects
- * @class
- */
-let Policy = exports.Policy =
-{
-  /**
-   * Map of content type identifiers by their name.
-   * @type Object
-   */
-  type: {},
-
-  /**
-   * Map of content type names by their identifiers (reverse of type map).
-   * @type Object
-   */
-  typeDescr: {},
-
-  /**
-   * Map of localized content type names by their identifiers.
-   * @type Object
-   */
-  localizedDescr: {},
-
-  /**
-   * Lists the non-visual content types.
-   * @type Object
-   */
-  nonVisual: {},
-
-  /**
-   * Map containing all schemes that should be ignored by content policy.
-   * @type Object
-   */
-  whitelistSchemes: {},
-
-  /**
-   * Called on module startup, initializes various exported properties.
-   */
-  init: function()
-  {
-    TimeLine.enter("Entered content policy initialization");
-
-    // type constant by type description and type description by type constant
-    let iface = Ci.nsIContentPolicy;
-    for (let typeName of contentTypes)
-    {
-      if ("TYPE_" + typeName in iface)
-      {
-        let id = iface["TYPE_" + typeName];
-        this.type[typeName] = id;
-        this.typeDescr[id] = typeName;
-        this.localizedDescr[id] = Utils.getString("type_label_" + typeName.toLowerCase());
-      }
-    }
-
-    this.type.ELEMHIDE = 0xFFFD;
-    this.typeDescr[0xFFFD] = "ELEMHIDE";
-    this.localizedDescr[0xFFFD] = Utils.getString("type_label_elemhide");
-
-    this.type.POPUP = 0xFFFE;
-    this.typeDescr[0xFFFE] = "POPUP";
-    this.localizedDescr[0xFFFE] = Utils.getString("type_label_popup");
-
-    for (let type of nonVisualTypes)
-      this.nonVisual[this.type[type]] = true;
-
-    // whitelisted URL schemes
-    for (let scheme of Prefs.whitelistschemes.toLowerCase().split(" "))
-      this.whitelistSchemes[scheme] = true;
-
-    TimeLine.log("done initializing types");
-
-    // Generate class identifier used to collapse node and register corresponding
-    // stylesheet.
-    TimeLine.log("registering global stylesheet");
-
-    let offset = "a".charCodeAt(0);
-    for (let i = 0; i < 20; i++)
-      collapsedClass +=  String.fromCharCode(offset + Math.random() * 26);
-
-    let collapseStyle = Services.io.newURI("data:text/css," +
-        encodeURIComponent("." + collapsedClass +
-        "{-moz-binding: url(chrome://global/content/bindings/general.xml#foobarbazdummy) !important;}"), null, null);
-    Utils.styleService.loadAndRegisterSheet(collapseStyle, Ci.nsIStyleSheetService.USER_SHEET);
-    onShutdown.add(function()
-    {
-      Utils.styleService.unregisterSheet(collapseStyle, Ci.nsIStyleSheetService.USER_SHEET);
-    })
-    TimeLine.log("done registering stylesheet");
-
-    TimeLine.leave("Done initializing content policy");
-  },
-
-  /**
-   * Checks whether a node should be blocked, hides it if necessary
-   * @param wnd {nsIDOMWindow}
-   * @param node {nsIDOMElement}
-   * @param contentType {String}
-   * @param location {nsIURI}
-   * @param collapse {Boolean} true to force hiding of the node
-   * @return {Boolean} false if the node should be blocked
-   */
-  processNode: function(wnd, node, contentType, location, collapse)
-  {
-    let topWnd = wnd.top;
-    if (!topWnd || !topWnd.location || !topWnd.location.href)
-      return true;
-
-    let privatenode=false;
-    Components.utils.import("resource://gre/modules/PrivateBrowsingUtils.jsm");
-    if (PrivateBrowsingUtils.isWindowPrivate(wnd))
-      privatenode=true;
-
-    let originWindow = Utils.getOriginWindow(wnd);
-    let wndLocation = originWindow.location.href;
-    let docDomain = getHostname(wndLocation);
-    let match = null;
-    if (!match && Prefs.enabled)
-    {
-      let testWnd = wnd;
-      let parentWndLocation = getWindowLocation(testWnd);
-      while (true)
-      {
-        let testWndLocation = parentWndLocation;
-        parentWndLocation = (testWnd == testWnd.parent ? testWndLocation : getWindowLocation(testWnd.parent));
-        match = Policy.isWhitelisted(testWndLocation, parentWndLocation);
-
-        if (!(match instanceof WhitelistFilter))
-        {
-          let keydata = (testWnd.document && testWnd.document.documentElement ? testWnd.document.documentElement.getAttribute("data-adblockkey") : null);
-          if (keydata && keydata.indexOf("_") >= 0)
-          {
-            let [key, signature] = keydata.split("_", 2);
-            let keyMatch = defaultMatcher.matchesByKey(testWndLocation, key.replace(/=/g, ""), docDomain);
-            if (keyMatch && Utils.crypto)
-            {
-              // Website specifies a key that we know but is the signature valid?
-              let uri = Services.io.newURI(testWndLocation, null, null);
-              let params = [
-                uri.path.replace(/#.*/, ""),  // REQUEST_URI
-                uri.asciiHost,                // HTTP_HOST
-                Utils.httpProtocol.userAgent  // HTTP_USER_AGENT
-              ];
-              if (Utils.verifySignature(key, signature, params.join("\0")))
-                match = keyMatch;
-            }
-          }
-        }
-
-        if (match instanceof WhitelistFilter)
-        {
-          FilterStorage.increaseHitCount(match, wnd);
-          RequestNotifier.addNodeData(testWnd.document, topWnd, Policy.type.DOCUMENT, getHostname(parentWndLocation), false, testWndLocation, match);
-          return true;
-        }
-
-        if (testWnd.parent == testWnd)
-          break;
-        else
-          testWnd = testWnd.parent;
-      }
-    }
-
-    // Data loaded by plugins should be attached to the document
-    if (contentType == Policy.type.OBJECT_SUBREQUEST && node instanceof Ci.nsIDOMElement)
-      node = node.ownerDocument;
-
-    // Fix type for objects misrepresented as frames or images
-    if (contentType != Policy.type.OBJECT && (node instanceof Ci.nsIDOMHTMLObjectElement || node instanceof Ci.nsIDOMHTMLEmbedElement))
-      contentType = Policy.type.OBJECT;
-
-    let locationText = location.spec;
-    if (!match && contentType == Policy.type.ELEMHIDE)
-    {
-      let testWnd = wnd;
-      let parentWndLocation = getWindowLocation(testWnd);
-      while (true)
-      {
-        let testWndLocation = parentWndLocation;
-        parentWndLocation = (testWnd == testWnd.parent ? testWndLocation : getWindowLocation(testWnd.parent));
-        let parentDocDomain = getHostname(parentWndLocation);
-        match = defaultMatcher.matchesAny(testWndLocation, "ELEMHIDE", parentDocDomain, false);
-        if (match instanceof WhitelistFilter)
-        {
-          FilterStorage.increaseHitCount(match, wnd);
-          RequestNotifier.addNodeData(testWnd.document, topWnd, contentType, parentDocDomain, false, testWndLocation, match);
-          return true;
-        }
-
-        if (testWnd.parent == testWnd)
-          break;
-        else
-          testWnd = testWnd.parent;
-      }
-
-      match = location;
-      locationText = match.text.replace(/^.*?#/, '#');
-      location = locationText;
-
-      if (!match.isActiveOnDomain(docDomain))
-        return true;
-
-      let exception = ElemHide.getException(match, docDomain);
-      if (exception)
-      {
-        FilterStorage.increaseHitCount(exception, wnd);
-        RequestNotifier.addNodeData(node, topWnd, contentType, docDomain, thirdParty, locationText, exception);
-        return true;
-      }
-    }
-
-    let thirdParty = (contentType == Policy.type.ELEMHIDE ? false : isThirdParty(location, docDomain));
-
-    if (!match && Prefs.enabled)
-    {
-      match = defaultMatcher.matchesAny(locationText, Policy.typeDescr[contentType] || "", docDomain, thirdParty, privatenode);
-      if (match instanceof BlockingFilter && node.ownerDocument && !(contentType in Policy.nonVisual))
-      {
-        let prefCollapse = (match.collapse != null ? match.collapse : !Prefs.fastcollapse);
-        if (collapse || prefCollapse)
-          schedulePostProcess(node);
-      }
-
-      // Track mouse events for objects
-      if (!match && contentType == Policy.type.OBJECT && node.nodeType == Ci.nsIDOMNode.ELEMENT_NODE)
-      {
-        node.addEventListener("mouseover", objectMouseEventHander, true);
-        node.addEventListener("mouseout", objectMouseEventHander, true);
-      }
-    }
-
-    // Store node data
-    RequestNotifier.addNodeData(node, topWnd, contentType, docDomain, thirdParty, locationText, match);
-    if (match)
-      FilterStorage.increaseHitCount(match, wnd);
-
-    return !match || match instanceof WhitelistFilter;
-  },
-
-  /**
-   * Checks whether the location's scheme is blockable.
-   * @param location  {nsIURI}
-   * @return {Boolean}
-   */
-  isBlockableScheme: function(location)
-  {
-    return !(location.scheme in Policy.whitelistSchemes);
-  },
-
-  /**
-   * Checks whether a page is whitelisted.
-   * @param {String} url
-   * @param {String} [parentUrl] location of the parent page
-   * @return {Filter} filter that matched the URL or null if not whitelisted
-   */
-  isWhitelisted: function(url, parentUrl)
-  {
-    if (!url)
-      return null;
-
-    // Do not apply exception rules to schemes on our whitelistschemes list.
-    let match = /^([\w\-]+):/.exec(url);
-    if (match && match[1] in Policy.whitelistSchemes)
-      return null;
-
-    if (!parentUrl)
-      parentUrl = url;
-
-    // Ignore fragment identifier
-    let index = url.indexOf("#");
-    if (index >= 0)
-      url = url.substring(0, index);
-
-    let result = defaultMatcher.matchesAny(url, "DOCUMENT", getHostname(parentUrl), false);
-    return (result instanceof WhitelistFilter ? result : null);
-  },
-
-  /**
-   * Checks whether the page loaded in a window is whitelisted.
-   * @param wnd {nsIDOMWindow}
-   * @return {Filter} matching exception rule or null if not whitelisted
-   */
-  isWindowWhitelisted: function(wnd)
-  {
-    return Policy.isWhitelisted(getWindowLocation(wnd));
-  },
-
-
-  /**
-   * Asynchronously re-checks filters for given nodes.
-   */
-  refilterNodes: function(/**Node[]*/ nodes, /**RequestEntry*/ entry)
-  {
-    // Ignore nodes that have been blocked already
-    if (entry.filter && !(entry.filter instanceof WhitelistFilter))
-      return;
-
-    for (let node of nodes)
-      Utils.runAsync(refilterNode, this, node, entry);
-  }
-};
-Policy.init();
-
-/**
- * Actual nsIContentPolicy and nsIChannelEventSink implementation
- * @class
- */
-let PolicyImplementation =
-{
-  classDescription: "Adblock Plus content policy",
-  classID: Components.ID("cfeaabe6-1dd1-11b2-a0c6-cb5c268894c9"),
-  contractID: "@adblockplus.org/abp/policy;1",
-  xpcom_categories: ["content-policy", "net-channel-event-sinks"],
-
-  /**
-   * Registers the content policy on startup.
-   */
-  init: function()
-  {
-    let registrar = Components.manager.QueryInterface(Ci.nsIComponentRegistrar);
-    try
-    {
-      registrar.registerFactory(this.classID, this.classDescription, this.contractID, this);
-    }
-    catch (e if e.result == Cr.NS_ERROR_FACTORY_EXISTS)
-    {
-      // See bug 924340 - it might be too early to init now, the old version
-      // we are replacing didn't finish removing itself yet.
-      Utils.runAsync(this.init.bind(this));
-      return;
-    }
-
-    let catMan = Utils.categoryManager;
-    for (let category of this.xpcom_categories)
-      catMan.addCategoryEntry(category, this.contractID, this.contractID, false, true);
-
-    // http-on-opening-request is new in Gecko 18, http-on-modify-request can
-    // be used in earlier releases.
-    let httpTopic = "http-on-opening-request";
-    if (Services.vc.compare(Utils.platformVersion, "18.0") < 0)
-      httpTopic = "http-on-modify-request";
-
-    Services.obs.addObserver(this, httpTopic, true);
-    Services.obs.addObserver(this, "content-document-global-created", true);
-    Services.obs.addObserver(this, "xpcom-category-entry-removed", true);
-    Services.obs.addObserver(this, "xpcom-category-cleared", true);
-
-    onShutdown.add(function()
-    {
-      // Our category observers should be removed before changing category
-      // memberships, just in case.
-      Services.obs.removeObserver(this, httpTopic);
-      Services.obs.removeObserver(this, "content-document-global-created");
-      Services.obs.removeObserver(this, "xpcom-category-entry-removed");
-      Services.obs.removeObserver(this, "xpcom-category-cleared");
-
-      for (let category of this.xpcom_categories)
-        catMan.deleteCategoryEntry(category, this.contractID, false);
-
-      // This needs to run asynchronously, see bug 753687
-      Utils.runAsync(function()
-      {
-        registrar.unregisterFactory(this.classID, this);
-      }.bind(this));
-
-      this.previousRequest = null;
-    }.bind(this));
-  },
-
-  //
-  // nsISupports interface implementation
-  //
-
-  QueryInterface: XPCOMUtils.generateQI([Ci.nsIContentPolicy, Ci.nsIObserver,
-    Ci.nsIChannelEventSink, Ci.nsIFactory, Ci.nsISupportsWeakReference]),
-
-  //
-  // nsIContentPolicy interface implementation
-  //
-
-  shouldLoad: function(contentType, contentLocation, requestOrigin, node, mimeTypeGuess, extra)
-  {
-    // Ignore requests without context and top-level documents
-    if (!node || contentType == Policy.type.DOCUMENT)
-      return Ci.nsIContentPolicy.ACCEPT;
-
-    // Ignore standalone objects
-    if (contentType == Policy.type.OBJECT && node.ownerDocument && !/^text\/|[+\/]xml$/.test(node.ownerDocument.contentType))
-      return Ci.nsIContentPolicy.ACCEPT;
-
-    let wnd = Utils.getWindow(node);
-    if (!wnd)
-      return Ci.nsIContentPolicy.ACCEPT;
-
-    // Ignore whitelisted schemes
-    let location = Utils.unwrapURL(contentLocation);
-    if (!Policy.isBlockableScheme(location))
-      return Ci.nsIContentPolicy.ACCEPT;
-
-    // Interpret unknown types as "other"
-    if (!(contentType in Policy.typeDescr))
-      contentType = Policy.type.OTHER;
-
-    let result = Policy.processNode(wnd, node, contentType, location, false);
-    if (result)
-    {
-      // We didn't block this request so we will probably see it again in
-      // http-on-opening-request. Keep it so that we can associate it with the
-      // channel there - will be needed in case of redirect.
-      this.previousRequest = [location, contentType];
-    }
-    return (result ? Ci.nsIContentPolicy.ACCEPT : Ci.nsIContentPolicy.REJECT_REQUEST);
-  },
-
-  shouldProcess: function(contentType, contentLocation, requestOrigin, insecNode, mimeType, extra)
-  {
-    return Ci.nsIContentPolicy.ACCEPT;
-  },
-
-  //
-  // nsIObserver interface implementation
-  //
-  observe: function(subject, topic, data, additional)
-  {
-    switch (topic)
-    {
-      case "content-document-global-created":
-      {
-        if (!(subject instanceof Ci.nsIDOMWindow) || !subject.opener)
-          return;
-
-        let uri = additional || Utils.makeURI(subject.location.href);
-        if (!Policy.processNode(subject.opener, subject.opener.document, Policy.type.POPUP, uri, false))
-        {
-          subject.stop();
-          Utils.runAsync(subject.close, subject);
-        }
-        else if (uri.spec == "about:blank")
-        {
-          // An about:blank pop-up most likely means that a load will be
-          // initiated synchronously. Set a flag for our "http-on-opening-request"
-          // handler.
-          this.expectingPopupLoad = true;
-          Utils.runAsync(function()
-          {
-            this.expectingPopupLoad = false;
-          });
-        }
-        break;
-      }
-      case "http-on-opening-request":
-      case "http-on-modify-request":
-      {
-        if (!(subject instanceof Ci.nsIHttpChannel))
-          return;
-
-        if (this.previousRequest && subject.URI == this.previousRequest[0] &&
-            subject instanceof Ci.nsIWritablePropertyBag)
-        {
-          // We just handled a content policy call for this request - associate
-          // the data with the channel so that we can find it in case of a redirect.
-          subject.setProperty("abpRequestType", this.previousRequest[1]);
-          this.previousRequest = null;
-        }
-
-        if (this.expectingPopupLoad)
-        {
-          let wnd = Utils.getRequestWindow(subject);
-          if (wnd && wnd.opener && wnd.location.href == "about:blank")
-          {
-            this.observe(wnd, "content-document-global-created", null, subject.URI);
-            if (subject instanceof Ci.nsIWritablePropertyBag)
-              subject.setProperty("abpRequestType", Policy.type.POPUP);
-          }
-        }
-
-        break;
-      }
-      case "xpcom-category-entry-removed":
-      case "xpcom-category-cleared":
-      {
-        let category = data;
-        if (this.xpcom_categories.indexOf(category) < 0)
-          return;
-
-        if (topic == "xpcom-category-entry-removed" &&
-            subject instanceof Ci.nsISupportsCString &&
-            subject.data != this.contractID)
-        {
-          return;
-        }
-
-        // Our category entry was removed, make sure to add it back
-        let catMan = Utils.categoryManager;
-        catMan.addCategoryEntry(category, this.contractID, this.contractID, false, true);
-        break;
-      }
-    }
-  },
-
-  //
-  // nsIChannelEventSink interface implementation
-  //
-
-  asyncOnChannelRedirect: function(oldChannel, newChannel, flags, callback)
-  {
-    let result = Cr.NS_OK;
-    try
-    {
-      // Try to retrieve previously stored request data from the channel
-      let contentType;
-      if (oldChannel instanceof Ci.nsIWritablePropertyBag)
-      {
-        try
-        {
-          contentType = oldChannel.getProperty("abpRequestType");
-        }
-        catch(e)
-        {
-          // No data attached, ignore this redirect
-          return;
-        }
-      }
-
-      let newLocation = null;
-      try
-      {
-        newLocation = newChannel.URI;
-      } catch(e2) {}
-      if (!newLocation)
-        return;
-
-      let wnd = Utils.getRequestWindow(newChannel);
-      if (!wnd)
-        return;
-
-      if (contentType == Policy.type.SUBDOCUMENT && wnd.parent == wnd.top && wnd.opener)
-      {
-        // This is a window opened in a new tab miscategorized as frame load,
-        // see bug 467514. Get the frame as context to be at least consistent.
-        wnd = wnd.opener;
-      }
-
-      if (contentType == Policy.type.POPUP && wnd.opener)
-      {
-        // Popups are initiated by their opener, not their own window.
-        wnd = wnd.opener;
-      }
-
-      if (!Policy.processNode(wnd, wnd.document, contentType, newLocation, false))
-        result = Cr.NS_BINDING_ABORTED;
-    }
-    catch (e)
-    {
-      // We shouldn't throw exceptions here - this will prevent the redirect.
-      Cu.reportError(e);
-    }
-    finally
-    {
-      callback.onRedirectVerifyCallback(result);
-    }
-  },
-
-  //
-  // nsIFactory interface implementation
-  //
-
-  createInstance: function(outer, iid)
-  {
-    if (outer)
-      throw Cr.NS_ERROR_NO_AGGREGATION;
-    return this.QueryInterface(iid);
-  }
-};
-PolicyImplementation.init();
-
-/**
- * Nodes scheduled for post-processing (might be null).
- * @type Array of Node
- */
-let scheduledNodes = null;
-
-/**
- * Schedules a node for post-processing.
- */
-function schedulePostProcess(/**Element*/ node)
-{
-  if (scheduledNodes)
-    scheduledNodes.push(node);
-  else
-  {
-    scheduledNodes = [node];
-    Utils.runAsync(postProcessNodes);
-  }
-}
-
-/**
- * Processes nodes scheduled for post-processing (typically hides them).
- */
-function postProcessNodes()
-{
-  let nodes = scheduledNodes;
-  scheduledNodes = null;
-
-  for (let node of nodes)
-  {
-    // adjust frameset's cols/rows for frames
-    let parentNode = node.parentNode;
-    if (parentNode && parentNode instanceof Ci.nsIDOMHTMLFrameSetElement)
-    {
-      let hasCols = (parentNode.cols && parentNode.cols.indexOf(",") > 0);
-      let hasRows = (parentNode.rows && parentNode.rows.indexOf(",") > 0);
-      if ((hasCols || hasRows) && !(hasCols && hasRows))
-      {
-        let index = -1;
-        for (let frame = node; frame; frame = frame.previousSibling)
-          if (frame instanceof Ci.nsIDOMHTMLFrameElement || frame instanceof Ci.nsIDOMHTMLFrameSetElement)
-            index++;
-
-        let property = (hasCols ? "cols" : "rows");
-        let weights = parentNode[property].split(",");
-        weights[index] = "0";
-        parentNode[property] = weights.join(",");
-      }
-    }
-    else
-      node.classList.add(collapsedClass);
-  }
-}
-
-/**
- * Extracts the hostname from a URL (might return null).
- */
-function getHostname(/**String*/ url) /**String*/
-{
-  try
-  {
-    return Utils.unwrapURL(url).host;
-  }
-  catch(e)
-  {
-    return null;
-  }
-}
-
-/**
- * Retrieves the location of a window.
- * @param wnd {nsIDOMWindow}
- * @return {String} window location or null on failure
- */
-function getWindowLocation(wnd)
-{
-  if ("name" in wnd && wnd.name == "messagepane")
-  {
-    // Thunderbird branch
-    try
-    {
-      let mailWnd = wnd.QueryInterface(Ci.nsIInterfaceRequestor)
-                       .getInterface(Ci.nsIWebNavigation)
-                       .QueryInterface(Ci.nsIDocShellTreeItem)
-                       .rootTreeItem
-                       .QueryInterface(Ci.nsIInterfaceRequestor)
-                       .getInterface(Ci.nsIDOMWindow);
-
-      // Typically we get a wrapped mail window here, need to unwrap
-      try
-      {
-        mailWnd = mailWnd.wrappedJSObject;
-      } catch(e) {}
-
-      if ("currentHeaderData" in mailWnd && "content-base" in mailWnd.currentHeaderData)
-      {
-        return mailWnd.currentHeaderData["content-base"].headerValue;
-      }
-      else if ("currentHeaderData" in mailWnd && "from" in mailWnd.currentHeaderData)
-      {
-        let emailAddress = Utils.headerParser.extractHeaderAddressMailboxes(mailWnd.currentHeaderData.from.headerValue);
-        if (emailAddress)
-          return 'mailto:' + emailAddress.replace(/^[\s"]+/, "").replace(/[\s"]+$/, "").replace(/\s/g, '%20');
-      }
-    } catch(e) {}
-  }
-
-  // Firefox branch
-  return wnd.location.href;
-}
-
-/**
- * Checks whether the location's origin is different from document's origin.
- */
-function isThirdParty(/**nsIURI*/location, /**String*/ docDomain) /**Boolean*/
-{
-  if (!location || !docDomain)
-    return true;
-
-  try
-  {
-    return Utils.effectiveTLD.getBaseDomain(location) != Utils.effectiveTLD.getBaseDomainFromHost(docDomain);
-  }
-  catch (e)
-  {
-    // EffectiveTLDService throws on IP addresses, just compare the host name
-    let host = "";
-    try
-    {
-      host = location.host;
-    } catch (e) {}
-    return host != docDomain;
-  }
-}
-
-/**
- * Re-checks filters on an element.
- */
-function refilterNode(/**Node*/ node, /**RequestEntry*/ entry)
-{
-  let wnd = Utils.getWindow(node);
-  if (!wnd || wnd.closed)
-    return;
-
-  if (entry.type == Policy.type.OBJECT)
-  {
-    node.removeEventListener("mouseover", objectMouseEventHander, true);
-    node.removeEventListener("mouseout", objectMouseEventHander, true);
-  }
-  Policy.processNode(wnd, node, entry.type, Utils.makeURI(entry.location), true);
-}