1 files changed, 0 insertions, 184 deletions
diff --git a/application/basilisk/components/sessionstore/TabStateFlusher.jsm b/application/basilisk/components/sessionstore/TabStateFlusher.jsm
deleted file mode 100644
index 6397efe9d..000000000
--- a/application/basilisk/components/sessionstore/TabStateFlusher.jsm
+++ /dev/null
@@ -1,184 +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 = ["TabStateFlusher"];
-
-const Cu = Components.utils;
-
-Cu.import("resource://gre/modules/Promise.jsm", this);
-
-/**
- * A module that enables async flushes. Updates from frame scripts are
- * throttled to be sent only once per second. If an action wants a tab's latest
- * state without waiting for a second then it can request an async flush and
- * wait until the frame scripts reported back. At this point the parent has the
- * latest data and the action can continue.
- */
-this.TabStateFlusher = Object.freeze({
-  /**
-   * Requests an async flush for the given browser. Returns a promise that will
-   * resolve when we heard back from the content process and the parent has
-   * all the latest data.
-   */
-  flush(browser) {
-    return TabStateFlusherInternal.flush(browser);
-  },
-
-  /**
-   * Requests an async flush for all browsers of a given window. Returns a Promise
-   * that will resolve when we've heard back from all browsers.
-   */
-  flushWindow(window) {
-    return TabStateFlusherInternal.flushWindow(window);
-  },
-
-  /**
-   * Resolves the flush request with the given flush ID.
-   *
-   * @param browser (<xul:browser>)
-   *        The browser for which the flush is being resolved.
-   * @param flushID (int)
-   *        The ID of the flush that was sent to the browser.
-   * @param success (bool, optional)
-   *        Whether or not the flush succeeded.
-   * @param message (string, optional)
-   *        An error message that will be sent to the Console in the
-   *        event that a flush failed.
-   */
-  resolve(browser, flushID, success=true, message="") {
-    TabStateFlusherInternal.resolve(browser, flushID, success, message);
-  },
-
-  /**
-   * Resolves all active flush requests for a given browser. This should be
-   * used when the content process crashed or the final update message was
-   * seen. In those cases we can't guarantee to ever hear back from the frame
-   * script so we just resolve all requests instead of discarding them.
-   *
-   * @param browser (<xul:browser>)
-   *        The browser for which all flushes are being resolved.
-   * @param success (bool, optional)
-   *        Whether or not the flushes succeeded.
-   * @param message (string, optional)
-   *        An error message that will be sent to the Console in the
-   *        event that the flushes failed.
-   */
-  resolveAll(browser, success=true, message="") {
-    TabStateFlusherInternal.resolveAll(browser, success, message);
-  }
-});
-
-var TabStateFlusherInternal = {
-  // Stores the last request ID.
-  _lastRequestID: 0,
-
-  // A map storing all active requests per browser.
-  _requests: new WeakMap(),
-
-  /**
-   * Requests an async flush for the given browser. Returns a promise that will
-   * resolve when we heard back from the content process and the parent has
-   * all the latest data.
-   */
-  flush(browser) {
-    let id = ++this._lastRequestID;
-    let mm = browser.messageManager;
-    mm.sendAsyncMessage("SessionStore:flush", {id});
-
-    // Retrieve active requests for given browser.
-    let permanentKey = browser.permanentKey;
-    let perBrowserRequests = this._requests.get(permanentKey) || new Map();
-
-    return new Promise(resolve => {
-      // Store resolve() so that we can resolve the promise later.
-      perBrowserRequests.set(id, resolve);
-
-      // Update the flush requests stored per browser.
-      this._requests.set(permanentKey, perBrowserRequests);
-    });
-  },
-
-  /**
-   * Requests an async flush for all browsers of a given window. Returns a Promise
-   * that will resolve when we've heard back from all browsers.
-   */
-  flushWindow(window) {
-    let browsers = window.gBrowser.browsers;
-    let promises = browsers.map((browser) => this.flush(browser));
-    return Promise.all(promises);
-  },
-
-  /**
-   * Resolves the flush request with the given flush ID.
-   *
-   * @param browser (<xul:browser>)
-   *        The browser for which the flush is being resolved.
-   * @param flushID (int)
-   *        The ID of the flush that was sent to the browser.
-   * @param success (bool, optional)
-   *        Whether or not the flush succeeded.
-   * @param message (string, optional)
-   *        An error message that will be sent to the Console in the
-   *        event that a flush failed.
-   */
-  resolve(browser, flushID, success=true, message="") {
-    // Nothing to do if there are no pending flushes for the given browser.
-    if (!this._requests.has(browser.permanentKey)) {
-      return;
-    }
-
-    // Retrieve active requests for given browser.
-    let perBrowserRequests = this._requests.get(browser.permanentKey);
-    if (!perBrowserRequests.has(flushID)) {
-      return;
-    }
-
-    if (!success) {
-      Cu.reportError("Failed to flush browser: " + message);
-    }
-
-    // Resolve the request with the given id.
-    let resolve = perBrowserRequests.get(flushID);
-    perBrowserRequests.delete(flushID);
-    resolve(success);
-  },
-
-  /**
-   * Resolves all active flush requests for a given browser. This should be
-   * used when the content process crashed or the final update message was
-   * seen. In those cases we can't guarantee to ever hear back from the frame
-   * script so we just resolve all requests instead of discarding them.
-   *
-   * @param browser (<xul:browser>)
-   *        The browser for which all flushes are being resolved.
-   * @param success (bool, optional)
-   *        Whether or not the flushes succeeded.
-   * @param message (string, optional)
-   *        An error message that will be sent to the Console in the
-   *        event that the flushes failed.
-   */
-  resolveAll(browser, success=true, message="") {
-    // Nothing to do if there are no pending flushes for the given browser.
-    if (!this._requests.has(browser.permanentKey)) {
-      return;
-    }
-
-    // Retrieve active requests for given browser.
-    let perBrowserRequests = this._requests.get(browser.permanentKey);
-
-    if (!success) {
-      Cu.reportError("Failed to flush browser: " + message);
-    }
-
-    // Resolve all requests.
-    for (let resolve of perBrowserRequests.values()) {
-      resolve(success);
-    }
-
-    // Clear active requests.
-    perBrowserRequests.clear();
-  }
-};