1 files changed, 0 insertions, 147 deletions
diff --git a/browser/modules/ContentLinkHandler.jsm b/browser/modules/ContentLinkHandler.jsm
deleted file mode 100644
index 443cae2da..000000000
--- a/browser/modules/ContentLinkHandler.jsm
+++ /dev/null
@@ -1,147 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-"use strict";
-
-var Cc = Components.classes;
-var Ci = Components.interfaces;
-var Cu = Components.utils;
-
-this.EXPORTED_SYMBOLS = [ "ContentLinkHandler" ];
-
-Cu.import("resource://gre/modules/XPCOMUtils.jsm");
-Cu.import("resource://gre/modules/Services.jsm");
-Cu.import("resource://gre/modules/NetUtil.jsm");
-
-XPCOMUtils.defineLazyModuleGetter(this, "Feeds",
-  "resource:///modules/Feeds.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "BrowserUtils",
-  "resource://gre/modules/BrowserUtils.jsm");
-
-const SIZES_TELEMETRY_ENUM = {
-  NO_SIZES: 0,
-  ANY: 1,
-  DIMENSION: 2,
-  INVALID: 3,
-};
-
-this.ContentLinkHandler = {
-  init: function(chromeGlobal) {
-    chromeGlobal.addEventListener("DOMLinkAdded", (event) => {
-      this.onLinkEvent(event, chromeGlobal);
-    }, false);
-    chromeGlobal.addEventListener("DOMLinkChanged", (event) => {
-      this.onLinkEvent(event, chromeGlobal);
-    }, false);
-  },
-
-  onLinkEvent: function(event, chromeGlobal) {
-    var link = event.originalTarget;
-    var rel = link.rel && link.rel.toLowerCase();
-    if (!link || !link.ownerDocument || !rel || !link.href)
-      return;
-
-    // Ignore sub-frames (bugs 305472, 479408).
-    let window = link.ownerGlobal;
-    if (window != window.top)
-      return;
-
-    var feedAdded = false;
-    var iconAdded = false;
-    var searchAdded = false;
-    var rels = {};
-    for (let relString of rel.split(/\s+/))
-      rels[relString] = true;
-
-    for (let relVal in rels) {
-      switch (relVal) {
-        case "feed":
-        case "alternate":
-          if (!feedAdded && event.type == "DOMLinkAdded") {
-            if (!rels.feed && rels.alternate && rels.stylesheet)
-              break;
-
-            if (Feeds.isValidFeed(link, link.ownerDocument.nodePrincipal, "feed" in rels)) {
-              chromeGlobal.sendAsyncMessage("Link:AddFeed",
-                                            {type: link.type,
-                                             href: link.href,
-                                             title: link.title});
-              feedAdded = true;
-            }
-          }
-          break;
-        case "icon":
-          if (iconAdded || !Services.prefs.getBoolPref("browser.chrome.site_icons"))
-            break;
-
-          var uri = this.getLinkIconURI(link);
-          if (!uri)
-            break;
-
-          // Telemetry probes for measuring the sizes attribute
-          // usage and available dimensions.
-          let sizeHistogramTypes = Services.telemetry.
-                                   getHistogramById("LINK_ICON_SIZES_ATTR_USAGE");
-          let sizeHistogramDimension = Services.telemetry.
-                                       getHistogramById("LINK_ICON_SIZES_ATTR_DIMENSION");
-          let sizesType;
-          if (link.sizes.length) {
-            for (let size of link.sizes) {
-              if (size.toLowerCase() == "any") {
-                sizesType = SIZES_TELEMETRY_ENUM.ANY;
-                break;
-              } else {
-                let re = /^([1-9][0-9]*)x[1-9][0-9]*$/i;
-                let values = re.exec(size);
-                if (values && values.length > 1) {
-                  sizesType = SIZES_TELEMETRY_ENUM.DIMENSION;
-                  sizeHistogramDimension.add(parseInt(values[1]));
-                } else {
-                  sizesType = SIZES_TELEMETRY_ENUM.INVALID;
-                  break;
-                }
-              }
-            }
-          } else {
-            sizesType = SIZES_TELEMETRY_ENUM.NO_SIZES;
-          }
-          sizeHistogramTypes.add(sizesType);
-
-          chromeGlobal.sendAsyncMessage(
-            "Link:SetIcon",
-            {url: uri.spec, loadingPrincipal: link.ownerDocument.nodePrincipal});
-          iconAdded = true;
-          break;
-        case "search":
-          if (!searchAdded && event.type == "DOMLinkAdded") {
-            var type = link.type && link.type.toLowerCase();
-            type = type.replace(/^\s+|\s*(?:;.*)?$/g, "");
-
-            let re = /^(?:https?|ftp):/i;
-            if (type == "application/opensearchdescription+xml" && link.title &&
-                re.test(link.href))
-            {
-              let engine = { title: link.title, href: link.href };
-              chromeGlobal.sendAsyncMessage("Link:AddSearch",
-                                            {engine: engine,
-                                             url: link.ownerDocument.documentURI});
-              searchAdded = true;
-            }
-          }
-          break;
-      }
-    }
-  },
-
-  getLinkIconURI: function(aLink) {
-    let targetDoc = aLink.ownerDocument;
-    var uri = BrowserUtils.makeURI(aLink.href, targetDoc.characterSet);
-    try {
-      uri.userPass = "";
-    } catch (e) {
-      // some URIs are immutable
-    }
-    return uri;
-  },
-};