11 files changed, 0 insertions, 1242 deletions
diff --git a/addon-sdk/source/lib/sdk/system/child_process.js b/addon-sdk/source/lib/sdk/system/child_process.js
deleted file mode 100644
index 8ea1f4f80..000000000
--- a/addon-sdk/source/lib/sdk/system/child_process.js
+++ /dev/null
@@ -1,332 +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';
-
-module.metadata = {
-  'stability': 'experimental'
-};
-
-var { Ci } = require('chrome');
-var subprocess = require('./child_process/subprocess');
-var { EventTarget } = require('../event/target');
-var { Stream } = require('../io/stream');
-var { on, emit, off } = require('../event/core');
-var { Class } = require('../core/heritage');
-var { platform } = require('../system');
-var { isFunction, isArray } = require('../lang/type');
-var { delay } = require('../lang/functional');
-var { merge } = require('../util/object');
-var { setTimeout, clearTimeout } = require('../timers');
-var isWindows = platform.indexOf('win') === 0;
-
-var processes = new WeakMap();
-
-
-/**
- * The `Child` class wraps a subprocess command, exposes
- * the stdio streams, and methods to manipulate the subprocess
- */
-var Child = Class({
-  implements: [EventTarget],
-  initialize: function initialize (options) {
-    let child = this;
-    let proc;
-
-    this.killed = false;
-    this.exitCode = undefined;
-    this.signalCode = undefined;
-
-    this.stdin = Stream();
-    this.stdout = Stream();
-    this.stderr = Stream();
-
-    try {
-      proc = subprocess.call({
-        command: options.file,
-        arguments: options.cmdArgs,
-        environment: serializeEnv(options.env),
-        workdir: options.cwd,
-        charset: options.encoding,
-        stdout: data => emit(child.stdout, 'data', data),
-        stderr: data => emit(child.stderr, 'data', data),
-        stdin: stream => {
-          child.stdin.on('data', pumpStdin);
-          child.stdin.on('end', function closeStdin () {
-            child.stdin.off('data', pumpStdin);
-            child.stdin.off('end', closeStdin);
-            stream.close();
-          });
-          function pumpStdin (data) {
-            stream.write(data);
-          }
-        },
-        done: function (result, error) {
-          if (error)
-            return handleError(error);
-
-          // Only emit if child is not killed; otherwise,
-          // the `kill` method will handle this
-          if (!child.killed) {
-            child.exitCode = result.exitCode;
-            child.signalCode = null;
-
-            // If process exits with < 0, there was an error
-            if (child.exitCode < 0) {
-              handleError(new Error('Process exited with exit code ' + child.exitCode));
-            }
-            else {
-              // Also do 'exit' event as there's not much of
-              // a difference in our implementation as we're not using
-              // node streams
-              emit(child, 'exit', child.exitCode, child.signalCode);
-            }
-
-            // Emit 'close' event with exit code and signal,
-            // which is `null`, as it was not a killed process
-            emit(child, 'close', child.exitCode, child.signalCode);
-          }
-        }
-      });
-      processes.set(child, proc);
-    } catch (e) {
-      // Delay the error handling so an error handler can be set
-      // during the same tick that the Child was created
-      delay(() => handleError(e));
-    }
-
-    // `handleError` is called when process could not even
-    // be spawned
-    function handleError (e) {
-      // If error is an nsIObject, make a fresh error object
-      // so we're not exposing nsIObjects, and we can modify it
-      // with additional process information, like node
-      let error = e;
-      if (e instanceof Ci.nsISupports) {
-        error = new Error(e.message, e.filename, e.lineNumber);
-      }
-      emit(child, 'error', error);
-      child.exitCode = -1;
-      child.signalCode = null;
-      emit(child, 'close', child.exitCode, child.signalCode);
-    }
-  },
-  kill: function kill (signal) {
-    let proc = processes.get(this);
-    proc.kill(signal);
-    this.killed = true;
-    this.exitCode = null;
-    this.signalCode = signal;
-    emit(this, 'exit', this.exitCode, this.signalCode);
-    emit(this, 'close', this.exitCode, this.signalCode);
-  },
-  get pid() { return processes.get(this, {}).pid || -1; }
-});
-
-function spawn (file, ...args) {
-  let cmdArgs = [];
-  // Default options
-  let options = {
-    cwd: null,
-    env: null,
-    encoding: 'UTF-8'
-  };
-
-  if (args[1]) {
-    merge(options, args[1]);
-    cmdArgs = args[0];
-  }
-  else {
-    if (isArray(args[0]))
-      cmdArgs = args[0];
-    else
-      merge(options, args[0]);
-  }
-
-  if ('gid' in options)
-    console.warn('`gid` option is not yet supported for `child_process`');
-  if ('uid' in options)
-    console.warn('`uid` option is not yet supported for `child_process`');
-  if ('detached' in options)
-    console.warn('`detached` option is not yet supported for `child_process`');
-
-  options.file = file;
-  options.cmdArgs = cmdArgs;
-
-  return Child(options);
-}
-
-exports.spawn = spawn;
-
-/**
- * exec(command, options, callback)
- */
-function exec (cmd, ...args) {
-  let file, cmdArgs, callback, options = {};
-
-  if (isFunction(args[0]))
-    callback = args[0];
-  else {
-    merge(options, args[0]);
-    callback = args[1];
-  }
-
-  if (isWindows) {
-    file = 'C:\\Windows\\System32\\cmd.exe';
-    cmdArgs = ['/S/C', cmd || ''];
-  }
-  else {
-    file = '/bin/sh';
-    cmdArgs = ['-c', cmd];
-  }
-
-  // Undocumented option from node being able to specify shell
-  if (options && options.shell)
-    file = options.shell;
-
-  return execFile(file, cmdArgs, options, callback);
-}
-exports.exec = exec;
-/**
- * execFile (file, args, options, callback)
- */
-function execFile (file, ...args) {
-  let cmdArgs = [], callback;
-  // Default options
-  let options = {
-    cwd: null,
-    env: null,
-    encoding: 'utf8',
-    timeout: 0,
-    maxBuffer: 204800,    //200 KB (200*1024 bytes)
-    killSignal: 'SIGTERM'
-  };
-
-  if (isFunction(args[args.length - 1]))
-    callback = args[args.length - 1];
-
-  if (isArray(args[0])) {
-    cmdArgs = args[0];
-    merge(options, args[1]);
-  } else if (!isFunction(args[0]))
-    merge(options, args[0]);
-
-  let child = spawn(file, cmdArgs, options);
-  let exited = false;
-  let stdout = '';
-  let stderr = '';
-  let error = null;
-  let timeoutId = null;
-
-  child.stdout.setEncoding(options.encoding);
-  child.stderr.setEncoding(options.encoding);
-
-  on(child.stdout, 'data', pumpStdout);
-  on(child.stderr, 'data', pumpStderr);
-  on(child, 'close', exitHandler);
-  on(child, 'error', errorHandler);
-
-  if (options.timeout > 0) {
-    setTimeout(() => {
-      kill();
-      timeoutId = null;
-    }, options.timeout);
-  }
-
-  function exitHandler (code, signal) {
-
-    // Return if exitHandler called previously, occurs
-    // when multiple maxBuffer errors thrown and attempt to kill multiple
-    // times
-    if (exited) return;
-    exited = true;
-
-    if (!isFunction(callback)) return;
-
-    if (timeoutId) {
-      clearTimeout(timeoutId);
-      timeoutId = null;
-    }
-
-    if (!error && (code !== 0 || signal !== null))
-      error = createProcessError(new Error('Command failed: ' + stderr), {
-        code: code,
-        signal: signal,
-        killed: !!child.killed
-      });
-
-    callback(error, stdout, stderr);
-
-    off(child.stdout, 'data', pumpStdout);
-    off(child.stderr, 'data', pumpStderr);
-    off(child, 'close', exitHandler);
-    off(child, 'error', errorHandler);
-  }
-
-  function errorHandler (e) {
-    error = e;
-    exitHandler();
-  }
-
-  function kill () {
-    try {
-      child.kill(options.killSignal);
-    } catch (e) {
-      // In the scenario where the kill signal happens when
-      // the process is already closing, just abort the kill fail
-      if (/library is not open/.test(e))
-        return;
-      error = e;
-      exitHandler(-1, options.killSignal);
-    }
-  }
-
-  function pumpStdout (data) {
-    stdout += data;
-    if (stdout.length > options.maxBuffer) {
-      error = new Error('stdout maxBuffer exceeded');
-      kill();
-    }
-  }
-
-  function pumpStderr (data) {
-    stderr += data;
-    if (stderr.length > options.maxBuffer) {
-      error = new Error('stderr maxBuffer exceeded');
-      kill();
-    }
-  }
-
-  return child;
-}
-exports.execFile = execFile;
-
-exports.fork = function fork () {
-  throw new Error("child_process#fork is not currently supported");
-};
-
-function serializeEnv (obj) {
-  return Object.keys(obj || {}).map(prop => prop + '=' + obj[prop]);
-}
-
-function createProcessError (err, options = {}) {
-  // If code and signal look OK, this was probably a failure
-  // attempting to spawn the process (like ENOENT in node) -- use
-  // the code from the error message
-  if (!options.code && !options.signal) {
-    let match = err.message.match(/(NS_ERROR_\w*)/);
-    if (match && match.length > 1)
-      err.code = match[1];
-    else {
-      // If no good error message found, use the passed in exit code;
-      // this occurs when killing a process that's already closing,
-      // where we want both a valid exit code (0) and the error
-      err.code = options.code != null ? options.code : null;
-    }
-  }
-  else
-    err.code = options.code != null ? options.code : null;
-  err.signal = options.signal || null;
-  err.killed = options.killed || false;
-  return err;
-}
diff --git a/addon-sdk/source/lib/sdk/system/child_process/subprocess.js b/addon-sdk/source/lib/sdk/system/child_process/subprocess.js
deleted file mode 100644
index e3454e95b..000000000
--- a/addon-sdk/source/lib/sdk/system/child_process/subprocess.js
+++ /dev/null
@@ -1,186 +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';
-
-const { Ci, Cu } = require("chrome");
-
-Cu.import("resource://gre/modules/Services.jsm");
-Cu.import("resource://gre/modules/Subprocess.jsm");
-Cu.import("resource://gre/modules/Task.jsm");
-
-const Runtime = require("sdk/system/runtime");
-const Environment = require("sdk/system/environment").env;
-const DEFAULT_ENVIRONMENT = [];
-if (Runtime.OS == "Linux" && "DISPLAY" in Environment) {
-  DEFAULT_ENVIRONMENT.push("DISPLAY=" + Environment.DISPLAY);
-}
-
-function awaitPromise(promise) {
-  let value;
-  let resolved = null;
-  promise.then(val => {
-    resolved = true;
-    value = val;
-  }, val => {
-    resolved = false;
-    value = val;
-  });
-
-  while (resolved === null)
-    Services.tm.mainThread.processNextEvent(true);
-
-  if (resolved === true)
-    return value;
-  throw value;
-}
-
-let readAllData = Task.async(function* (pipe, read, callback) {
-  let string;
-  while (string = yield read(pipe))
-    callback(string);
-});
-
-let write = (pipe, data) => {
-  let buffer = new Uint8Array(Array.from(data, c => c.charCodeAt(0)));
-  return pipe.write(data);
-};
-
-var subprocess = {
-  call: function(options) {
-    var result;
-
-    let procPromise = Task.spawn(function*() {
-      let opts = {};
-
-      if (options.mergeStderr) {
-        opts.stderr = "stdout"
-      } else if (options.stderr) {
-        opts.stderr = "pipe";
-      }
-
-      if (options.command instanceof Ci.nsIFile) {
-        opts.command = options.command.path;
-      } else {
-        opts.command = yield Subprocess.pathSearch(options.command);
-      }
-
-      if (options.workdir) {
-        opts.workdir = options.workdir;
-      }
-
-      opts.arguments = options.arguments || [];
-
-
-      // Set up environment
-
-      let envVars = options.environment || DEFAULT_ENVIRONMENT;
-      if (envVars.length) {
-        let environment = {};
-        for (let val of envVars) {
-          let idx = val.indexOf("=");
-          if (idx >= 0)
-            environment[val.slice(0, idx)] = val.slice(idx + 1);
-        }
-
-        opts.environment = environment;
-      }
-
-
-      let proc = yield Subprocess.call(opts);
-
-      Object.defineProperty(result, "pid", {
-        value: proc.pid,
-        enumerable: true,
-        configurable: true,
-      });
-
-
-      let promises = [];
-
-      // Set up IO handlers.
-
-      let read = pipe => pipe.readString();
-      if (options.charset === null) {
-        read = pipe => {
-          return pipe.read().then(buffer => {
-            return String.fromCharCode(...buffer);
-          });
-        };
-      }
-
-      if (options.stdout)
-        promises.push(readAllData(proc.stdout, read, options.stdout));
-
-      if (options.stderr && proc.stderr)
-        promises.push(readAllData(proc.stderr, read, options.stderr));
-
-      // Process stdin
-
-      if (typeof options.stdin === "string") {
-        write(proc.stdin, options.stdin);
-        proc.stdin.close();
-      }
-
-
-      // Handle process completion
-
-      if (options.done)
-        Promise.all(promises)
-          .then(() => proc.wait())
-          .then(options.done);
-
-      return proc;
-    });
-
-    procPromise.catch(e => {
-      if (options.done)
-        options.done({exitCode: -1}, e);
-      else
-        Cu.reportError(e instanceof Error ? e : e.message || e);
-    });
-
-    if (typeof options.stdin === "function") {
-      // Unfortunately, some callers (child_process.js) depend on this
-      // being called synchronously.
-      options.stdin({
-        write(val) {
-          procPromise.then(proc => {
-            write(proc.stdin, val);
-          });
-        },
-
-        close() {
-          procPromise.then(proc => {
-            proc.stdin.close();
-          });
-        },
-      });
-    }
-
-    result = {
-      get pid() {
-        return awaitPromise(procPromise.then(proc => {
-          return proc.pid;
-        }));
-      },
-
-      wait() {
-        return awaitPromise(procPromise.then(proc => {
-          return proc.wait().then(({exitCode}) => exitCode);
-        }));
-      },
-
-      kill(hard = false) {
-        procPromise.then(proc => {
-          proc.kill(hard ? 0 : undefined);
-        });
-      },
-    };
-
-    return result;
-  },
-};
-
-module.exports = subprocess;
diff --git a/addon-sdk/source/lib/sdk/system/environment.js b/addon-sdk/source/lib/sdk/system/environment.js
deleted file mode 100644
index 13621a696..000000000
--- a/addon-sdk/source/lib/sdk/system/environment.js
+++ /dev/null
@@ -1,33 +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';
-
-module.metadata = {
-  "stability": "stable"
-};
-
-const { Cc, Ci } = require('chrome');
-const { get, set, exists } = Cc['@mozilla.org/process/environment;1'].
-                             getService(Ci.nsIEnvironment);
-
-exports.env = new Proxy({}, {
-  deleteProperty(target, property) {
-    set(property, null);
-    return true;
-  },
-
-  get(target, property, receiver) {
-    return get(property) || undefined;
-  },
-
-  has(target, property) {
-    return exists(property);
-  },
-
-  set(target, property, value, receiver) {
-    set(property, value);
-    return true;
-  }
-});
diff --git a/addon-sdk/source/lib/sdk/system/events-shimmed.js b/addon-sdk/source/lib/sdk/system/events-shimmed.js
deleted file mode 100644
index 14496f1f0..000000000
--- a/addon-sdk/source/lib/sdk/system/events-shimmed.js
+++ /dev/null
@@ -1,16 +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';
-
-module.metadata = {
-  'stability': 'unstable'
-};
-
-const events = require('./events.js');
-
-exports.emit = (type, event) => events.emit(type, event, true);
-exports.on = (type, listener, strong) => events.on(type, listener, strong, true);
-exports.once = (type, listener) => events.once(type, listener, true);
-exports.off = (type, listener) => events.off(type, listener, true);
diff --git a/addon-sdk/source/lib/sdk/system/events.js b/addon-sdk/source/lib/sdk/system/events.js
deleted file mode 100644
index 0cf525aa1..000000000
--- a/addon-sdk/source/lib/sdk/system/events.js
+++ /dev/null
@@ -1,181 +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';
-
-module.metadata = {
-  'stability': 'unstable'
-};
-
-const { Cc, Ci, Cu } = require('chrome');
-const { Unknown } = require('../platform/xpcom');
-const { Class } = require('../core/heritage');
-const { ns } = require('../core/namespace');
-const observerService =
-  Cc['@mozilla.org/observer-service;1'].getService(Ci.nsIObserverService);
-const { addObserver, removeObserver, notifyObservers } = observerService;
-const { ShimWaiver } = Cu.import("resource://gre/modules/ShimWaiver.jsm");
-const addObserverNoShim = ShimWaiver.getProperty(observerService, "addObserver");
-const removeObserverNoShim = ShimWaiver.getProperty(observerService, "removeObserver");
-const notifyObserversNoShim = ShimWaiver.getProperty(observerService, "notifyObservers");
-const unloadSubject = require('@loader/unload');
-
-const Subject = Class({
-  extends: Unknown,
-  initialize: function initialize(object) {
-    // Double-wrap the object and set a property identifying the
-    // wrappedJSObject as one of our wrappers to distinguish between
-    // subjects that are one of our wrappers (which we should unwrap
-    // when notifying our observers) and those that are real JS XPCOM
-    // components (which we should pass through unaltered).
-    this.wrappedJSObject = {
-      observersModuleSubjectWrapper: true,
-      object: object
-    };
-  },
-  getScriptableHelper: function() {},
-  getInterfaces: function() {}
-});
-
-function emit(type, event, shimmed = false) {
-  // From bug 910599
-  // We must test to see if 'subject' or 'data' is a defined property
-  // of the event object, but also allow primitives to be passed in,
-  // which the `in` operator breaks, yet `null` is an object, hence
-  // the long conditional
-  let subject = event && typeof event === 'object' && 'subject' in event ?
-    Subject(event.subject) :
-    null;
-  let data = event && typeof event === 'object' ?
-    // An object either returns its `data` property or null
-    ('data' in event ? event.data : null) :
-    // All other types return themselves (and cast to strings/null
-    // via observer service)
-    event;
-  if (shimmed) {
-    notifyObservers(subject, type, data);
-  } else {
-    notifyObserversNoShim(subject, type, data);
-  }
-}
-exports.emit = emit;
-
-const Observer = Class({
-  extends: Unknown,
-  initialize: function initialize(listener) {
-    this.listener = listener;
-  },
-  interfaces: [ 'nsIObserver', 'nsISupportsWeakReference' ],
-  observe: function(subject, topic, data) {
-    // Extract the wrapped object for subjects that are one of our
-    // wrappers around a JS object.  This way we support both wrapped
-    // subjects created using this module and those that are real
-    // XPCOM components.
-    if (subject && typeof(subject) == 'object' &&
-        ('wrappedJSObject' in subject) &&
-        ('observersModuleSubjectWrapper' in subject.wrappedJSObject))
-      subject = subject.wrappedJSObject.object;
-
-    try {
-      this.listener({
-        type: topic,
-        subject: subject,
-        data: data
-      });
-    }
-    catch (error) {
-      console.exception(error);
-    }
-  }
-});
-
-const subscribers = ns();
-
-function on(type, listener, strong, shimmed = false) {
-  // Unless last optional argument is `true` we use a weak reference to a
-  // listener.
-  let weak = !strong;
-  // Take list of observers associated with given `listener` function.
-  let observers = subscribers(listener);
-  // If `observer` for the given `type` is not registered yet, then
-  // associate an `observer` and register it.
-  if (!(type in observers)) {
-    let observer = Observer(listener);
-    observers[type] = observer;
-    if (shimmed) {
-      addObserver(observer, type, weak);
-    } else {
-      addObserverNoShim(observer, type, weak);
-    }
-    // WeakRef gymnastics to remove all alive observers on unload
-    let ref = Cu.getWeakReference(observer);
-    weakRefs.set(observer, ref);
-    stillAlive.set(ref, type);
-    wasShimmed.set(ref, shimmed);
-  }
-}
-exports.on = on;
-
-function once(type, listener, shimmed = false) {
-  // Note: this code assumes order in which listeners are called, which is fine
-  // as long as dispatch happens in same order as listener registration which
-  // is the case now. That being said we should be aware that this may break
-  // in a future if order will change.
-  on(type, listener, shimmed);
-  on(type, function cleanup() {
-    off(type, listener, shimmed);
-    off(type, cleanup, shimmed);
-  }, true, shimmed);
-}
-exports.once = once;
-
-function off(type, listener, shimmed = false) {
-  // Take list of observers as with the given `listener`.
-  let observers = subscribers(listener);
-  // If `observer` for the given `type` is registered, then
-  // remove it & unregister.
-  if (type in observers) {
-    let observer = observers[type];
-    delete observers[type];
-    if (shimmed) {
-      removeObserver(observer, type);
-    } else {
-      removeObserverNoShim(observer, type);
-    }
-    stillAlive.delete(weakRefs.get(observer));
-    wasShimmed.delete(weakRefs.get(observer));
-  }
-}
-exports.off = off;
-
-// must use WeakMap to keep reference to all the WeakRefs (!), see bug 986115
-var weakRefs = new WeakMap();
-
-// and we're out of beta, we're releasing on time!
-var stillAlive = new Map();
-
-var wasShimmed = new Map();
-
-on('sdk:loader:destroy', function onunload({ subject, data: reason }) {
-  // using logic from ./unload, to avoid a circular module reference
-  if (subject.wrappedJSObject === unloadSubject) {
-    off('sdk:loader:destroy', onunload, false);
-
-    // don't bother
-    if (reason === 'shutdown') 
-      return;
-
-    stillAlive.forEach( (type, ref) => {
-      let observer = ref.get();
-      if (observer) {
-        if (wasShimmed.get(ref)) {
-          removeObserver(observer, type);
-        } else {
-          removeObserverNoShim(observer, type);
-        }
-      }
-    })
-  }
-  // a strong reference
-}, true, false);
diff --git a/addon-sdk/source/lib/sdk/system/globals.js b/addon-sdk/source/lib/sdk/system/globals.js
deleted file mode 100644
index a1a6cf9a2..000000000
--- a/addon-sdk/source/lib/sdk/system/globals.js
+++ /dev/null
@@ -1,46 +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";
-
-module.metadata = {
-  "stability": "unstable"
-};
-
-var { Cc, Ci, CC } = require('chrome');
-var { PlainTextConsole } = require('../console/plain-text');
-var { stdout } = require('../system');
-var ScriptError = CC('@mozilla.org/scripterror;1', 'nsIScriptError');
-var consoleService = Cc['@mozilla.org/consoleservice;1'].getService(Ci.nsIConsoleService);
-
-// On windows dump does not writes into stdout so cfx can't read thous dumps.
-// To workaround this issue we write to a special file from which cfx will
-// read and print to the console.
-// For more details see: bug-673383
-exports.dump = stdout.write;
-
-exports.console = new PlainTextConsole();
-
-// Provide CommonJS `define` to allow authoring modules in a format that can be
-// loaded both into jetpack and into browser via AMD loaders.
-Object.defineProperty(exports, 'define', {
-  // `define` is provided as a lazy getter that binds below defined `define`
-  // function to the module scope, so that require, exports and module
-  // variables remain accessible.
-  configurable: true,
-  get: function() {
-    let sandbox = this;
-    return function define(factory) {
-      factory = Array.slice(arguments).pop();
-      factory.call(sandbox, sandbox.require, sandbox.exports, sandbox.module);
-    }
-  },
-  set: function(value) {
-    Object.defineProperty(this, 'define', {
-      configurable: true,
-      enumerable: true,
-      value,
-    });
-  },
-});
diff --git a/addon-sdk/source/lib/sdk/system/process.js b/addon-sdk/source/lib/sdk/system/process.js
deleted file mode 100644
index f44a36658..000000000
--- a/addon-sdk/source/lib/sdk/system/process.js
+++ /dev/null
@@ -1,62 +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";
-
-module.metadata = {
-  "stability": "unstable"
-};
-
-const {
-  exit, version, stdout, stderr, platform, architecture
-} = require("../system");
-
-/**
- * Supported
- */
-
-exports.stdout = stdout;
-exports.stderr = stderr;
-exports.version = version;
-exports.versions = {};
-exports.config = {};
-exports.arch = architecture;
-exports.platform = platform;
-exports.exit = exit;
-
-/**
- * Partial support
- */
-
-// An alias to `setTimeout(fn, 0)`, which isn't the same as node's `nextTick`,
-// but atleast ensures it'll occur asynchronously
-exports.nextTick = (callback) => setTimeout(callback, 0);
-
-/**
- * Unsupported
- */
-
-exports.maxTickDepth = 1000;
-exports.pid = 0;
-exports.title = "";
-exports.stdin = {};
-exports.argv = [];
-exports.execPath = "";
-exports.execArgv = [];
-exports.abort = function () {};
-exports.chdir = function () {};
-exports.cwd = function () {};
-exports.env = {};
-exports.getgid = function () {};
-exports.setgid = function () {};
-exports.getuid = function () {};
-exports.setuid = function () {};
-exports.getgroups = function () {};
-exports.setgroups = function () {};
-exports.initgroups = function () {};
-exports.kill = function () {};
-exports.memoryUsage = function () {};
-exports.umask = function () {};
-exports.uptime = function () {};
-exports.hrtime = function () {};
diff --git a/addon-sdk/source/lib/sdk/system/runtime.js b/addon-sdk/source/lib/sdk/system/runtime.js
deleted file mode 100644
index 9a70f142d..000000000
--- a/addon-sdk/source/lib/sdk/system/runtime.js
+++ /dev/null
@@ -1,28 +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";
-
-module.metadata = {
-  "stability": "unstable"
-};
-
-const { Cc, Ci } = require("chrome");
-const runtime = Cc["@mozilla.org/xre/app-info;1"].getService(Ci.nsIXULRuntime);
-
-exports.inSafeMode = runtime.inSafeMode;
-exports.OS = runtime.OS;
-exports.processType = runtime.processType;
-exports.widgetToolkit = runtime.widgetToolkit;
-exports.processID = runtime.processID;
-
-// Attempt to access `XPCOMABI` may throw exception, in which case exported
-// `XPCOMABI` will be set to `null`.
-// https://mxr.mozilla.org/mozilla-central/source/toolkit/xre/nsAppRunner.cpp#732
-try {
-  exports.XPCOMABI = runtime.XPCOMABI;
-}
-catch (error) {
-  exports.XPCOMABI = null;
-}
diff --git a/addon-sdk/source/lib/sdk/system/unload.js b/addon-sdk/source/lib/sdk/system/unload.js
deleted file mode 100644
index 98ab5f8f3..000000000
--- a/addon-sdk/source/lib/sdk/system/unload.js
+++ /dev/null
@@ -1,104 +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/. */
-
-// Parts of this module were taken from narwhal:
-//
-// http://narwhaljs.org
-
-module.metadata = {
-  "stability": "experimental"
-};
-
-const { Cu } = require('chrome');
-const { on, off } = require('./events');
-const unloadSubject = require('@loader/unload');
-
-const observers = [];
-const unloaders = [];
-
-function WeakObserver(inner) {
-  this._inner = Cu.getWeakReference(inner);
-}
-
-Object.defineProperty(WeakObserver.prototype, 'value', {
-  get: function() { this._inner.get() }
-});
-
-var when = exports.when = function when(observer, opts) {
-  opts = opts || {};
-  for (var i = 0; i < observers.length; ++i) {
-    if (observers[i] === observer || observers[i].value === observer) {
-      return;
-    }
-  }
-  if (opts.weak) {
-    observers.unshift(new WeakObserver(observer));
-  } else {
-    observers.unshift(observer);
-  }
-};
-
-var ensure = exports.ensure = function ensure(obj, destructorName) {
-  if (!destructorName)
-    destructorName = "unload";
-  if (!(destructorName in obj))
-    throw new Error("object has no '" + destructorName + "' property");
-
-  let called = false;
-  let originalDestructor = obj[destructorName];
-
-  function unloadWrapper(reason) {
-    if (!called) {
-      called = true;
-      let index = unloaders.indexOf(unloadWrapper);
-      if (index == -1)
-        throw new Error("internal error: unloader not found");
-      unloaders.splice(index, 1);
-      originalDestructor.call(obj, reason);
-      originalDestructor = null;
-      destructorName = null;
-      obj = null;
-    }
-  };
-
-  // TODO: Find out why the order is inverted here. It seems that
-  // it may be causing issues!
-  unloaders.push(unloadWrapper);
-
-  obj[destructorName] = unloadWrapper;
-};
-
-function unload(reason) {
-  observers.forEach(function(observer) {
-    try {
-      if (observer instanceof WeakObserver) {
-        observer = observer.value;
-      }
-      if (typeof observer === 'function') {
-        observer(reason);
-      }
-    }
-    catch (error) {
-      console.exception(error);
-    }
-  });
-}
-
-when(function(reason) {
-  unloaders.slice().forEach(function(unloadWrapper) {
-    unloadWrapper(reason);
-  });
-});
-
-on('sdk:loader:destroy', function onunload({ subject, data: reason }) {
-  // If this loader is unload then `subject.wrappedJSObject` will be
-  // `destructor`.
-  if (subject.wrappedJSObject === unloadSubject) {
-    off('sdk:loader:destroy', onunload);
-    unload(reason);
-  }
-// Note that we use strong reference to listener here to make sure it's not
-// GC-ed, which may happen otherwise since nothing keeps reference to `onunolad`
-// function.
-}, true);
diff --git a/addon-sdk/source/lib/sdk/system/xul-app.js b/addon-sdk/source/lib/sdk/system/xul-app.js
deleted file mode 100644
index 612386f77..000000000
--- a/addon-sdk/source/lib/sdk/system/xul-app.js
+++ /dev/null
@@ -1,12 +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";
-
-module.metadata = {
-  "stability": "experimental"
-};
-
-const { XulApp } = require("./xul-app.jsm");
-
-Object.keys(XulApp).forEach(k => exports[k] = XulApp[k]);
diff --git a/addon-sdk/source/lib/sdk/system/xul-app.jsm b/addon-sdk/source/lib/sdk/system/xul-app.jsm
deleted file mode 100644
index 90681bb1b..000000000
--- a/addon-sdk/source/lib/sdk/system/xul-app.jsm
+++ /dev/null
@@ -1,242 +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 = [ "XulApp" ];
-
-var { classes: Cc, interfaces: Ci } = Components;
-
-var exports = {};
-this.XulApp = exports;
-
-var appInfo;
-
-// NOTE: below is required to avoid failing xpcshell tests,
-//       which do not implement nsIXULAppInfo
-// See Bug 1114752 https://bugzilla.mozilla.org/show_bug.cgi?id=1114752
-try {
- appInfo = Cc["@mozilla.org/xre/app-info;1"]
-              .getService(Ci.nsIXULAppInfo);
-}
-catch (e) {
-  // xpcshell test case
-  appInfo = {};
-}
-var vc = Cc["@mozilla.org/xpcom/version-comparator;1"]
-         .getService(Ci.nsIVersionComparator);
-
-var ID = exports.ID = appInfo.ID;
-var name = exports.name = appInfo.name;
-var version = exports.version = appInfo.version;
-var platformVersion = exports.platformVersion = appInfo.platformVersion;
-
-// The following mapping of application names to GUIDs was taken from:
-//
-//   https://addons.mozilla.org/en-US/firefox/pages/appversions
-//
-// Using the GUID instead of the app's name is preferable because sometimes
-// re-branded versions of a product have different names: for instance,
-// Firefox, Minefield, Iceweasel, and Shiretoko all have the same
-// GUID.
-
-var ids = exports.ids = {
-  Firefox: "{ec8030f7-c20a-464f-9b0e-13a3a9e97384}",
-  Mozilla: "{86c18b42-e466-45a9-ae7a-9b95ba6f5640}",
-  SeaMonkey: "{92650c4d-4b8e-4d2a-b7eb-24ecf4f6b63a}",
-  Fennec: "{aa3c5121-dab2-40e2-81ca-7ea25febc110}",
-  Thunderbird: "{3550f703-e582-4d05-9a08-453d09bdfdc6}",
-  Instantbird: "{33cb9019-c295-46dd-be21-8c4936574bee}"
-};
-
-function is(name) {
-  if (!(name in ids))
-    throw new Error("Unkown Mozilla Application: " + name);
-  return ID == ids[name];
-};
-exports.is = is;
-
-function isOneOf(names) {
-  for (var i = 0; i < names.length; i++)
-    if (is(names[i]))
-      return true;
-  return false;
-};
-exports.isOneOf = isOneOf;
-
-/**
- * Use this to check whether the given version (e.g. xulApp.platformVersion)
- * is in the given range. Versions must be in version comparator-compatible
- * format. See MDC for details:
- * https://developer.mozilla.org/en/XPCOM_Interface_Reference/nsIVersionComparator
- */
-var versionInRange = exports.versionInRange =
-function versionInRange(version, lowInclusive, highExclusive) {
-  return (vc.compare(version, lowInclusive) >= 0) &&
-         (vc.compare(version, highExclusive) < 0);
-}
-
-const reVersionRange = /^((?:<|>)?=?)?\s*((?:\d+[\S]*)|\*)(?:\s+((?:<|>)=?)?(\d+[\S]+))?$/;
-const reOnlyInifinity = /^[<>]?=?\s*[*x]$/;
-const reSubInfinity = /\.[*x]/g;
-const reHyphenRange = /^(\d+.*?)\s*-\s*(\d+.*?)$/;
-const reRangeSeparator = /\s*\|\|\s*/;
-
-const compares = {
-  "=": function (c) { return c === 0 },
-  ">=": function (c) { return c >= 0 },
-  "<=": function (c) { return c <= 0},
-  "<": function (c) { return c < 0 },
-  ">": function (c) { return c > 0 }
-}
-
-function normalizeRange(range) {
-    return range
-        .replace(reOnlyInifinity, "")
-        .replace(reSubInfinity, ".*")
-        .replace(reHyphenRange, ">=$1 <=$2")
-}
-
-/**
- * Compare the versions given, using the comparison operator provided.
- * Internal use only.
- *
- * @example
- *  compareVersion("1.2", "<=", "1.*") // true
- *
- * @param {String} version
- *  A version to compare
- *
- * @param {String} comparison
- *  The comparison operator
- *
- * @param {String} compareVersion
- *  A version to compare
- */
-function compareVersion(version, comparison, compareVersion) {
-  let hasWildcard = compareVersion.indexOf("*") !== -1;
-
-  comparison = comparison || "=";
-
-  if (hasWildcard) {
-    switch (comparison) {
-      case "=":
-        let zeroVersion = compareVersion.replace(reSubInfinity, ".0");
-        return versionInRange(version, zeroVersion, compareVersion);
-      case ">=":
-        compareVersion = compareVersion.replace(reSubInfinity, ".0");
-        break;
-    }
-  }
-
-  let compare = compares[comparison];
-
-  return typeof compare === "function" && compare(vc.compare(version, compareVersion));
-}
-
-/**
- * Returns `true` if `version` satisfies the `versionRange` given.
- * If only an argument is passed, is used as `versionRange` and compared against
- * `xulApp.platformVersion`.
- *
- * `versionRange` is either a string which has one or more space-separated
- * descriptors, or a range like "fromVersion - toVersion".
- * Version range descriptors may be any of the following styles:
- *
- * - "version" Must match `version` exactly
- * - "=version" Same as just `version`
- * - ">version" Must be greater than `version`
- * - ">=version" Must be greater or equal than `version`
- * - "<version" Must be less than `version`
- * - "<=version" Must be less or equal than `version`
- * - "1.2.x" or "1.2.*" See 'X version ranges' below
- * - "*" or "" (just an empty string) Matches any version
- * - "version1 - version2" Same as ">=version1 <=version2"
- * - "range1 || range2" Passes if either `range1` or `range2` are satisfied
- *
- * For example, these are all valid:
- * - "1.0.0 - 2.9999.9999"
- * - ">=1.0.2 <2.1.2"
- * - ">1.0.2 <=2.3.4"
- * - "2.0.1"
- * - "<1.0.0 || >=2.3.1 <2.4.5 || >=2.5.2 <3.0.0"
- * - "2.x" (equivalent to "2.*")
- * - "1.2.x" (equivalent to "1.2.*" and ">=1.2.0 <1.3.0")
- */
-function satisfiesVersion(version, versionRange) {
-  if (arguments.length === 1) {
-    versionRange = version;
-    version = appInfo.version;
-  }
-
-  let ranges = versionRange.trim().split(reRangeSeparator);
-
-  return ranges.some(function(range) {
-    range = normalizeRange(range);
-
-    // No versions' range specified means that any version satisfies the
-    // requirements.
-    if (range === "")
-      return true;
-
-    let matches = range.match(reVersionRange);
-
-    if (!matches)
-      return false;
-
-    let [, lowMod, lowVer, highMod, highVer] = matches;
-
-    return compareVersion(version, lowMod, lowVer) && (highVer !== undefined
-      ? compareVersion(version, highMod, highVer)
-      : true);
-  });
-}
-exports.satisfiesVersion = satisfiesVersion;
-
-/**
- * Ensure the current application satisfied the requirements specified in the
- * module given. If not, an exception related to the incompatibility is
- * returned; `null` otherwise.
- *
- * @param {Object} module
- *  The module to check
- * @returns {Error}
- */
-function incompatibility(module) {
-  let { metadata, id } = module;
-
-  // if metadata or engines are not specified we assume compatibility is not
-  // an issue.
-  if (!metadata || !("engines" in metadata))
-    return null;
-
-  let { engines } = metadata;
-
-  if (engines === null || typeof(engines) !== "object")
-    return new Error("Malformed engines' property in metadata");
-
-  let applications = Object.keys(engines);
-
-  let versionRange;
-  applications.forEach(function(name) {
-    if (is(name)) {
-      versionRange = engines[name];
-      // Continue iteration. We want to ensure the module doesn't
-      // contain a typo in the applications' name or some unknown
-      // application - `is` function throws an exception in that case.
-    }
-  });
-
-  if (typeof(versionRange) === "string") {
-    if (satisfiesVersion(versionRange))
-      return null;
-
-    return new Error("Unsupported Application version: The module " + id +
-            " currently supports only version " + versionRange + " of " +
-            name + ".");
-  }
-
-  return new Error("Unsupported Application: The module " + id +
-            " currently supports only " + applications.join(", ") + ".")
-}
-exports.incompatibility = incompatibility;