1 files changed, 0 insertions, 174 deletions
diff --git a/devtools/shared/worker/worker.js b/devtools/shared/worker/worker.js
deleted file mode 100644
index f9e5c7f4f0..0000000000
--- a/devtools/shared/worker/worker.js
+++ /dev/null
@@ -1,174 +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";
-
-/* global ChromeWorker */
-
-(function (factory) {
-  if (this.module && module.id.includes("worker")) {
-    // require
-    const dumpn = require("devtools/shared/DevToolsUtils").dumpn;
-    factory.call(this, require, exports, module, ChromeWorker, dumpn);
-  } else {
-    // Cu.import
-    const { require } = ChromeUtils.importESModule(
-      "resource://devtools/shared/loader/Loader.sys.mjs"
-    );
-    this.isWorker = false;
-    this.console = console;
-    factory.call(this, require, this, { exports: this }, ChromeWorker, null);
-    this.EXPORTED_SYMBOLS = ["DevToolsWorker", "workerify"];
-  }
-}).call(this, function (require, exports, module, ChromeWorker, dumpn) {
-  let MESSAGE_COUNTER = 0;
-
-  /**
-   * Creates a wrapper around a ChromeWorker, providing easy
-   * communication to offload demanding tasks. The corresponding URL
-   * must implement the interface provided by `devtools/shared/worker/helper`.
-   *
-   * @param {string} url
-   *        The URL of the worker.
-   * @param Object opts
-   *        An option with the following optional fields:
-   *        - name: a name that will be printed with logs
-   *        - verbose: log incoming and outgoing messages
-   */
-  function DevToolsWorker(url, opts) {
-    opts = opts || {};
-    this._worker = new ChromeWorker(url);
-    this._verbose = opts.verbose;
-    this._name = opts.name;
-
-    this._worker.addEventListener("error", this.onError);
-  }
-  exports.DevToolsWorker = DevToolsWorker;
-
-  /**
-   * Performs the given task in a chrome worker, passing in data.
-   * Returns a promise that resolves when the task is completed, resulting in
-   * the return value of the task.
-   *
-   * @param {string} task
-   *        The name of the task to execute in the worker.
-   * @param {any} data
-   *        Data to be passed into the task implemented by the worker.
-   * @param {undefined|Array} transfer
-   *        Optional array of transferable objects to transfer ownership of.
-   * @return {Promise}
-   */
-  DevToolsWorker.prototype.performTask = function (task, data, transfer) {
-    if (this._destroyed) {
-      return Promise.reject(
-        "Cannot call performTask on a destroyed DevToolsWorker"
-      );
-    }
-    const worker = this._worker;
-    const id = ++MESSAGE_COUNTER;
-    const payload = { task, id, data };
-
-    if (this._verbose && dumpn) {
-      dumpn(
-        "Sending message to worker" +
-          (this._name ? " (" + this._name + ")" : "") +
-          ": " +
-          JSON.stringify(payload, null, 2)
-      );
-    }
-    worker.postMessage(payload, transfer);
-
-    return new Promise((resolve, reject) => {
-      const listener = ({ data: result }) => {
-        if (this._verbose && dumpn) {
-          dumpn(
-            "Received message from worker" +
-              (this._name ? " (" + this._name + ")" : "") +
-              ": " +
-              JSON.stringify(result, null, 2)
-          );
-        }
-
-        if (result.id !== id) {
-          return;
-        }
-        worker.removeEventListener("message", listener);
-        if (result.error) {
-          reject(result.error);
-        } else {
-          resolve(result.response);
-        }
-      };
-
-      worker.addEventListener("message", listener);
-    });
-  };
-
-  /**
-   * Terminates the underlying worker. Use when no longer needing the worker.
-   */
-  DevToolsWorker.prototype.destroy = function () {
-    this._worker.terminate();
-    this._worker = null;
-    this._destroyed = true;
-  };
-
-  DevToolsWorker.prototype.onError = function ({ message, filename, lineno }) {
-    dump(new Error(message + " @ " + filename + ":" + lineno) + "\n");
-  };
-
-  /**
-   * Takes a function and returns a Worker-wrapped version of the same function.
-   * Returns a promise upon resolution.
-   * @see `./devtools/shared/shared/tests/browser/browser_devtools-worker-03.js
-   *
-   * ⚠ This should only be used for tests or A/B testing performance ⚠
-   *
-   * The original function must:
-   *
-   * Be a pure function, that is, not use any variables not declared within the
-   * function, or its arguments.
-   *
-   * Return a value or a promise.
-   *
-   * Note any state change in the worker will not affect the callee's context.
-   *
-   * @param {function} fn
-   * @return {function}
-   */
-  function workerify(fn) {
-    console.warn(
-      "`workerify` should only be used in tests or measuring performance. " +
-        "This creates an object URL on the browser window, and should not be " +
-        "used in production."
-    );
-    // Fetch modules here as we don't want to include it normally.
-    const { URL, Blob } = Services.wm.getMostRecentWindow("navigator:browser");
-    const stringifiedFn = createWorkerString(fn);
-    const blob = new Blob([stringifiedFn]);
-    const url = URL.createObjectURL(blob);
-    const worker = new DevToolsWorker(url);
-
-    const wrapperFn = (data, transfer) =>
-      worker.performTask("workerifiedTask", data, transfer);
-
-    wrapperFn.destroy = function () {
-      URL.revokeObjectURL(url);
-      worker.destroy();
-    };
-
-    return wrapperFn;
-  }
-  exports.workerify = workerify;
-
-  /**
-   * Takes a function, and stringifies it, attaching the worker-helper.js
-   * boilerplate hooks.
-   */
-  function createWorkerString(fn) {
-    return `importScripts("resource://gre/modules/workers/require.js");
-            const { createTask } = require("resource://devtools/shared/worker/helper.js");
-            createTask(self, "workerifiedTask", ${fn.toString()});`;
-  }
-});