1 files changed, 0 insertions, 86 deletions
diff --git a/browser/modules/HiddenFrame.jsm b/browser/modules/HiddenFrame.jsm
deleted file mode 100644
index 7676ae189..000000000
--- a/browser/modules/HiddenFrame.jsm
+++ /dev/null
@@ -1,86 +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";
-
-this.EXPORTED_SYMBOLS = ["HiddenFrame"];
-
-const { classes: Cc, interfaces: Ci, utils: Cu } = Components;
-
-Cu.import("resource://gre/modules/PromiseUtils.jsm");
-Cu.import("resource://gre/modules/Services.jsm");
-Cu.import("resource://gre/modules/Timer.jsm");
-
-const HTML_NS = "http://www.w3.org/1999/xhtml";
-const XUL_PAGE = "data:application/vnd.mozilla.xul+xml;charset=utf-8,<window%20id='win'/>";
-
-/**
- * An hidden frame object. It takes care of creating an IFRAME and attaching it the
- * |hiddenDOMWindow|.
- */
-function HiddenFrame() {}
-
-HiddenFrame.prototype = {
-  _frame: null,
-  _deferred: null,
-  _retryTimerId: null,
-
-  get hiddenDOMDocument() {
-    return Services.appShell.hiddenDOMWindow.document;
-  },
-
-  get isReady() {
-    return this.hiddenDOMDocument.readyState === "complete";
-  },
-
-  /**
-   * Gets the |contentWindow| of the hidden frame. Creates the frame if needed.
-   * @returns Promise Returns a promise which is resolved when the hidden frame has finished
-   *          loading.
-   */
-  get: function () {
-    if (!this._deferred) {
-      this._deferred = PromiseUtils.defer();
-      this._create();
-    }
-
-    return this._deferred.promise;
-  },
-
-  destroy: function () {
-    clearTimeout(this._retryTimerId);
-
-    if (this._frame) {
-      if (!Cu.isDeadWrapper(this._frame)) {
-        this._frame.removeEventListener("load", this, true);
-        this._frame.remove();
-      }
-
-      this._frame = null;
-      this._deferred = null;
-    }
-  },
-
-  handleEvent: function () {
-    let contentWindow = this._frame.contentWindow;
-    if (contentWindow.location.href === XUL_PAGE) {
-      this._frame.removeEventListener("load", this, true);
-      this._deferred.resolve(contentWindow);
-    } else {
-      contentWindow.location = XUL_PAGE;
-    }
-  },
-
-  _create: function () {
-    if (this.isReady) {
-      let doc = this.hiddenDOMDocument;
-      this._frame = doc.createElementNS(HTML_NS, "iframe");
-      this._frame.addEventListener("load", this, true);
-      doc.documentElement.appendChild(this._frame);
-    } else {
-      // Check again if |hiddenDOMDocument| is ready as soon as possible.
-      this._retryTimerId = setTimeout(this._create.bind(this), 0);
-    }
-  }
-};