Bug 1381542 - renamed "devtools/shared/event-emitter" in "devtools/shared/old-event-emitter"; r=ochameau

MozReview-Commit-ID: GkF8HcUg5u8


--HG--
rename : devtools/shared/event-emitter.js => devtools/shared/old-event-emitter.js

devtools/client/animationinspector/animation-controller.js

@@ -18,7 +18,7 @@ var { loader, require } = Cu.import("resource://devtools/shared/Loader.jsm", {})
 var { Task } = require("devtools/shared/task");
 
 loader.lazyRequireGetter(this, "promise");
-loader.lazyRequireGetter(this, "EventEmitter", "devtools/shared/event-emitter");
+loader.lazyRequireGetter(this, "EventEmitter", "devtools/shared/old-event-emitter");
 loader.lazyRequireGetter(this, "AnimationsFront", "devtools/shared/fronts/animation", true);
 
 const { LocalizationHelper } = require("devtools/shared/l10n");

devtools/client/animationinspector/components/animation-details.js

@@ -7,7 +7,7 @@
 "use strict";
 
 const {Task} = require("devtools/shared/task");
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const {createNode, getCssPropertyName} =
   require("devtools/client/animationinspector/utils");
 const {Keyframes} = require("devtools/client/animationinspector/components/keyframes");

devtools/client/animationinspector/components/animation-target-node.js

@@ -7,7 +7,7 @@
 "use strict";
 
 const {Task} = require("devtools/shared/task");
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const {DomNodePreview} = require("devtools/client/inspector/shared/dom-node-preview");
 
 // Map dom node fronts by animation fronts so we don't have to get them from the

devtools/client/animationinspector/components/animation-time-block.js

@@ -6,7 +6,7 @@
 
 "use strict";
 
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const {createNode, createSVGNode, TimeScale, getFormattedAnimationTitle} =
   require("devtools/client/animationinspector/utils");
 const {SummaryGraphHelper, getPreferredKeyframesProgressThreshold,

devtools/client/animationinspector/components/animation-timeline.js

@@ -7,7 +7,7 @@
 "use strict";
 
 const {Task} = require("devtools/shared/task");
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const {
   createNode,
   findOptimalTimeInterval,

devtools/client/animationinspector/components/keyframes.js

@@ -6,7 +6,7 @@
 
 "use strict";
 
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const {createNode, createSVGNode} =
   require("devtools/client/animationinspector/utils");
 const {ProgressGraphHelper, getPreferredKeyframesProgressThreshold} =

devtools/client/animationinspector/components/rate-selector.js

@@ -6,7 +6,7 @@
 
 "use strict";
 
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const {createNode} = require("devtools/client/animationinspector/utils");
 const { LocalizationHelper } = require("devtools/shared/l10n");
 const L10N =

devtools/client/animationinspector/utils.js

@@ -6,7 +6,7 @@
 
 "use strict";
 
-loader.lazyRequireGetter(this, "EventEmitter", "devtools/shared/event-emitter");
+loader.lazyRequireGetter(this, "EventEmitter", "devtools/shared/old-event-emitter");
 
 const { LocalizationHelper } = require("devtools/shared/l10n");
 const L10N =

devtools/client/canvasdebugger/canvasdebugger.js

@@ -10,7 +10,7 @@ const { XPCOMUtils } = require("resource://gre/modules/XPCOMUtils.jsm");
 const { SideMenuWidget } = require("resource://devtools/client/shared/widgets/SideMenuWidget.jsm");
 const promise = require("promise");
 const Services = require("Services");
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const { CallWatcherFront } = require("devtools/shared/fronts/call-watcher");
 const { CanvasFront } = require("devtools/shared/fronts/canvas");
 const DevToolsUtils = require("devtools/shared/DevToolsUtils");

devtools/client/canvasdebugger/panel.js

@@ -7,7 +7,7 @@
 
 const { Cc, Ci, Cu, Cr } = require("chrome");
 const promise = require("promise");
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const { CanvasFront } = require("devtools/shared/fronts/canvas");
 const DevToolsUtils = require("devtools/shared/DevToolsUtils");
 

devtools/client/debugger/debugger-controller.js

@@ -108,7 +108,7 @@ const { BreadcrumbsWidget } = require("resource://devtools/client/shared/widgets
 const { SideMenuWidget } = require("resource://devtools/client/shared/widgets/SideMenuWidget.jsm");
 const { VariablesView } = require("resource://devtools/client/shared/widgets/VariablesView.jsm");
 const { VariablesViewController, StackFrameUtils } = require("resource://devtools/client/shared/widgets/VariablesViewController.jsm");
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const { gDevTools } = require("devtools/client/framework/devtools");
 const { ViewHelpers, Heritage, WidgetMethods, setNamedTimeout,
         clearNamedTimeout } = require("devtools/client/shared/widgets/view-helpers");

devtools/client/debugger/panel.js

@@ -7,7 +7,7 @@
 
 const { Cc, Ci, Cu, Cr } = require("chrome");
 const promise = require("promise");
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const DevToolsUtils = require("devtools/shared/DevToolsUtils");
 
 function DebuggerPanel(iframeWindow, toolbox) {

devtools/client/debugger/test/mochitest/head.js

@@ -18,7 +18,7 @@ var { BrowserToolboxProcess } = Cu.import("resource://devtools/client/framework/
 var { DebuggerServer } = require("devtools/server/main");
 var { DebuggerClient, ObjectClient } = require("devtools/shared/client/main");
 var { AddonManager } = Cu.import("resource://gre/modules/AddonManager.jsm", {});
-var EventEmitter = require("devtools/shared/event-emitter");
+var EventEmitter = require("devtools/shared/old-event-emitter");
 var { Toolbox } = require("devtools/client/framework/toolbox");
 
 const chromeRegistry = Cc["@mozilla.org/chrome/chrome-registry;1"].getService(Ci.nsIChromeRegistry);

devtools/client/dom/dom-panel.js

@@ -9,7 +9,7 @@ const { Cu } = require("chrome");
 const { ObjectClient } = require("devtools/shared/client/main");
 
 const defer = require("devtools/shared/defer");
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const { Task } = require("devtools/shared/task");
 
 /**

devtools/client/framework/ToolboxProcess.jsm

@@ -19,7 +19,7 @@ XPCOMUtils.defineLazyGetter(this, "Telemetry", function () {
   return require("devtools/client/shared/telemetry");
 });
 XPCOMUtils.defineLazyGetter(this, "EventEmitter", function () {
-  return require("devtools/shared/event-emitter");
+  return require("devtools/shared/old-event-emitter");
 });
 const promise = require("promise");
 const Services = require("Services");

devtools/client/framework/devtools.js

@@ -23,7 +23,7 @@ loader.lazyImporter(this, "BrowserToolboxProcess", "resource://devtools/client/f
 
 const {defaultTools: DefaultTools, defaultThemes: DefaultThemes} =
   require("devtools/client/definitions");
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const AboutDevTools = require("devtools/client/framework/about-devtools-toolbox");
 const {Task} = require("devtools/shared/task");
 const {getTheme, setTheme, addThemeObserver, removeThemeObserver} =

devtools/client/framework/menu.js

@@ -6,7 +6,7 @@
 
 "use strict";
 
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 
 /**
  * A partial implementation of the Menu API provided by electron:

devtools/client/framework/selection.js

@@ -7,7 +7,7 @@
 "use strict";
 
 const nodeConstants = require("devtools/shared/dom-node-constants");
-var EventEmitter = require("devtools/shared/event-emitter");
+var EventEmitter = require("devtools/shared/old-event-emitter");
 
 /**
  * API

devtools/client/framework/sidebar.js

@@ -6,7 +6,7 @@
 
 var Services = require("Services");
 var {Task} = require("devtools/shared/task");
-var EventEmitter = require("devtools/shared/event-emitter");
+var EventEmitter = require("devtools/shared/old-event-emitter");
 var Telemetry = require("devtools/client/shared/telemetry");
 
 const {LocalizationHelper} = require("devtools/shared/l10n");

devtools/client/framework/target.js

@@ -6,7 +6,7 @@
 
 const { Ci } = require("chrome");
 const defer = require("devtools/shared/defer");
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const Services = require("Services");
 const { XPCOMUtils } = require("resource://gre/modules/XPCOMUtils.jsm");
 

devtools/client/framework/test/head.js

@@ -8,7 +8,7 @@
 // shared-head.js handles imports, constants, and utility functions
 Services.scriptloader.loadSubScript("chrome://mochitests/content/browser/devtools/client/framework/test/shared-head.js", this);
 
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 
 function toggleAllTools(state) {
   for (let [, tool] of gDevTools._tools) {

devtools/client/framework/toolbox-hosts.js

@@ -6,7 +6,7 @@
 
 "use strict";
 
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const promise = require("promise");
 const defer = require("devtools/shared/defer");
 const Services = require("Services");

devtools/client/framework/toolbox-options.js

@@ -71,7 +71,7 @@ function OptionsPanel(iframeWindow, toolbox) {
 
   this._addListeners();
 
-  const EventEmitter = require("devtools/shared/event-emitter");
+  const EventEmitter = require("devtools/shared/old-event-emitter");
   EventEmitter.decorate(this);
 }
 

devtools/client/framework/toolbox.js

@@ -20,7 +20,7 @@ var defer = require("devtools/shared/defer");
 var Services = require("Services");
 var {Task} = require("devtools/shared/task");
 var {gDevTools} = require("devtools/client/framework/devtools");
-var EventEmitter = require("devtools/shared/event-emitter");
+var EventEmitter = require("devtools/shared/old-event-emitter");
 var Telemetry = require("devtools/client/shared/telemetry");
 var { attachThread, detachThread } = require("./attach-thread");
 var Menu = require("devtools/client/framework/menu");

devtools/client/inspector/breadcrumbs.js

@@ -15,7 +15,7 @@ const MAX_LABEL_LENGTH = 40;
 const NS_XHTML = "http://www.w3.org/1999/xhtml";
 const SCROLL_REPEAT_MS = 100;
 
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const KeyShortcuts = require("devtools/client/shared/key-shortcuts");
 
 // Some margin may be required for visible element detection.

devtools/client/inspector/inspector-search.js

@@ -8,7 +8,7 @@ const promise = require("promise");
 const {Task} = require("devtools/shared/task");
 const {KeyCodes} = require("devtools/client/shared/keycodes");
 
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const AutocompletePopup = require("devtools/client/shared/autocomplete-popup");
 const Services = require("Services");
 

devtools/client/inspector/inspector.js

@@ -10,7 +10,7 @@
 
 var Services = require("Services");
 var promise = require("promise");
-var EventEmitter = require("devtools/shared/event-emitter");
+var EventEmitter = require("devtools/shared/old-event-emitter");
 const {executeSoon} = require("devtools/shared/DevToolsUtils");
 var KeyShortcuts = require("devtools/client/shared/key-shortcuts");
 var {Task} = require("devtools/shared/task");

devtools/client/inspector/markup/markup.js

@@ -9,7 +9,7 @@ const Services = require("Services");
 const {Task} = require("devtools/shared/task");
 const nodeConstants = require("devtools/shared/dom-node-constants");
 const nodeFilterConstants = require("devtools/shared/dom-node-filter-constants");
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const {LocalizationHelper} = require("devtools/shared/l10n");
 const {PluralForm} = require("devtools/shared/plural-form");
 const AutocompletePopup = require("devtools/client/shared/autocomplete-popup");

devtools/client/inspector/markup/views/html-editor.js

@@ -6,7 +6,7 @@
 
 const Editor = require("devtools/client/sourceeditor/editor");
 const Services = require("Services");
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 
 /**
  * A wrapper around the Editor component, that allows editing of HTML.

devtools/client/inspector/rules/rules.js

@@ -31,7 +31,7 @@ const {
 const StyleInspectorMenu = require("devtools/client/inspector/shared/style-inspector-menu");
 const TooltipsOverlay = require("devtools/client/inspector/shared/tooltips-overlay");
 const {createChild, promiseWarn, debounce} = require("devtools/client/inspector/shared/utils");
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const KeyShortcuts = require("devtools/client/shared/key-shortcuts");
 const clipboardHelper = require("devtools/shared/platform/clipboard");
 const AutocompletePopup = require("devtools/client/shared/autocomplete-popup");

devtools/client/inspector/rules/views/class-list-previewer.js

@@ -4,7 +4,7 @@
 
 "use strict";
 
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const {LocalizationHelper} = require("devtools/shared/l10n");
 
 const L10N = new LocalizationHelper("devtools/client/locales/inspector.properties");

devtools/client/inspector/rules/views/rule-editor.js

@@ -25,7 +25,7 @@ const {
 } = require("devtools/shared/css/parsing-utils");
 const promise = require("promise");
 const Services = require("Services");
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const {Task} = require("devtools/shared/task");
 
 const STYLE_INSPECTOR_PROPERTIES = "devtools/shared/locales/styleinspector.properties";

devtools/client/inspector/shared/dom-node-preview.js

@@ -4,7 +4,7 @@
 "use strict";
 
 const {Task} = require("devtools/shared/task");
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const {createNode} = require("devtools/client/animationinspector/utils");
 const { LocalizationHelper } = require("devtools/shared/l10n");
 

devtools/client/inspector/shared/highlighters-overlay.js

@@ -8,7 +8,7 @@
 
 const Services = require("Services");
 const {Task} = require("devtools/shared/task");
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const {
   VIEW_NODE_VALUE_TYPE,
   VIEW_NODE_SHAPE_POINT_TYPE

devtools/client/inspector/toolsidebar.js

@@ -6,7 +6,7 @@
 
 "use strict";
 
-var EventEmitter = require("devtools/shared/event-emitter");
+var EventEmitter = require("devtools/shared/old-event-emitter");
 var Telemetry = require("devtools/client/shared/telemetry");
 var { Task } = require("devtools/shared/task");
 

devtools/client/memory/components/tree-map/canvas-utils.js

@@ -16,7 +16,7 @@
  * in view of the tree map.
  */
 const { debounce } = require("devtools/shared/debounce");
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 
 const HTML_NS = "http://www.w3.org/1999/xhtml";
 const FULLSCREEN_STYLE = {

devtools/client/memory/components/tree-map/drag-zoom.js

@@ -6,7 +6,7 @@
 
 const { debounce } = require("devtools/shared/debounce");
 const { lerp } = require("devtools/client/memory/utils");
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 
 const LERP_SPEED = 0.5;
 const ZOOM_SPEED = 0.01;

devtools/client/memory/panel.js

@@ -5,7 +5,7 @@
 "use strict";
 
 const { Task } = require("devtools/shared/task");
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const { MemoryFront } = require("devtools/shared/fronts/memory");
 const HeapAnalysesClient = require("devtools/shared/heapsnapshot/HeapAnalysesClient");
 

devtools/client/netmonitor/index.html

@@ -20,7 +20,7 @@
         window,
       }).require;
 
-      const EventEmitter = require("devtools/shared/event-emitter");
+      const EventEmitter = require("devtools/shared/old-event-emitter");
       const { createFactory } = require("devtools/client/shared/vendor/react");
       const { render, unmountComponentAtNode } = require("devtools/client/shared/vendor/react-dom");
       const Provider = createFactory(require("devtools/client/shared/vendor/react-redux").Provider);

devtools/client/netmonitor/webpack.config.js

@@ -74,7 +74,7 @@ let webpackConfig = {
       "devtools/client/sourceeditor/editor": "devtools-source-editor/src/source-editor",
       "devtools/shared/async-utils": path.join(__dirname, "../../shared/async-utils"),
       "devtools/shared/defer": path.join(__dirname, "../../shared/defer"),
-      "devtools/shared/event-emitter": "devtools-modules/src/utils/event-emitter",
+      "devtools/shared/old-event-emitter": "devtools-modules/src/utils/event-emitter",
       "devtools/shared/fronts/timeline": path.join(__dirname, "../../shared/shims/fronts/timeline"),
       "devtools/shared/l10n": path.join(__dirname, "../../shared/l10n"),
       "devtools/shared/locales": path.join(__dirname, "../../shared/locales/en-US"),

devtools/client/performance/modules/widgets/graphs.js

@@ -14,7 +14,7 @@ const MountainGraphWidget = require("devtools/client/shared/widgets/MountainGrap
 const { CanvasGraphUtils } = require("devtools/client/shared/widgets/Graphs");
 
 const defer = require("devtools/shared/defer");
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 
 const { colorUtils } = require("devtools/shared/css/color");
 const { getColor } = require("devtools/client/shared/theme");

devtools/client/performance/modules/widgets/marker-details.js

@@ -7,7 +7,7 @@
  * This file contains the rendering code for the marker sidebar.
  */
 
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const { MarkerDOMUtils } = require("devtools/client/performance/modules/marker-dom-utils");
 
 /**

devtools/client/performance/panel.js

@@ -9,7 +9,7 @@ const { Task } = require("devtools/shared/task");
 const defer = require("devtools/shared/defer");
 
 loader.lazyRequireGetter(this, "EventEmitter",
-  "devtools/shared/event-emitter");
+  "devtools/shared/old-event-emitter");
 
 function PerformancePanel(iframeWindow, toolbox) {
   this.panelWin = iframeWindow;

devtools/client/performance/performance-controller.js

@@ -41,7 +41,7 @@ var RecordingListItem = React.createFactory(require("devtools/client/performance
 var Services = require("Services");
 var promise = require("promise");
 const defer = require("devtools/shared/defer");
-var EventEmitter = require("devtools/shared/event-emitter");
+var EventEmitter = require("devtools/shared/old-event-emitter");
 var DevToolsUtils = require("devtools/shared/DevToolsUtils");
 var flags = require("devtools/shared/flags");
 var system = require("devtools/shared/system");

devtools/client/responsive.html/manager.js

@@ -7,7 +7,7 @@
 const { Ci } = require("chrome");
 const promise = require("promise");
 const { Task } = require("devtools/shared/task");
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const { startup } = require("./utils/window");
 const message = require("./utils/message");
 const { swapToInnerBrowser } = require("./browser/swap");

devtools/client/responsivedesign/responsivedesign.jsm

@@ -10,7 +10,7 @@ const { loader, require } = Cu.import("resource://devtools/shared/Loader.jsm", {
 const { LocalizationHelper } = require("devtools/shared/l10n");
 const { Task } = require("devtools/shared/task");
 const Services = require("Services");
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 
 loader.lazyImporter(this, "SystemAppProxy",
                     "resource://gre/modules/SystemAppProxy.jsm");

devtools/client/scratchpad/scratchpad-panel.js

@@ -6,7 +6,7 @@
 "use strict";
 
 const {Cu} = require("chrome");
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const promise = require("promise");
 const defer = require("devtools/shared/defer");
 

devtools/client/scratchpad/scratchpad.js

@@ -47,7 +47,7 @@ const {require, loader} = Cu.import("resource://devtools/shared/Loader.jsm", {})
 
 const Editor = require("devtools/client/sourceeditor/editor");
 const TargetFactory = require("devtools/client/framework/target").TargetFactory;
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const {DevToolsWorker} = require("devtools/shared/worker/worker");
 const DevToolsUtils = require("devtools/shared/DevToolsUtils");
 const flags = require("devtools/shared/flags");

devtools/client/shadereditor/panel.js

@@ -7,7 +7,7 @@
 
 const { Cc, Ci, Cu, Cr } = require("chrome");
 const promise = require("promise");
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const { WebGLFront } = require("devtools/shared/fronts/webgl");
 const DevToolsUtils = require("devtools/shared/DevToolsUtils");
 

devtools/client/shadereditor/shadereditor.js

@@ -11,7 +11,7 @@ const {SideMenuWidget} = require("resource://devtools/client/shared/widgets/Side
 const promise = require("promise");
 const defer = require("devtools/shared/defer");
 const Services = require("Services");
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const Tooltip = require("devtools/client/shared/widgets/tooltip/Tooltip");
 const Editor = require("devtools/client/sourceeditor/editor");
 const {LocalizationHelper} = require("devtools/shared/l10n");

devtools/client/shared/autocomplete-popup.js

@@ -8,7 +8,7 @@
 const HTML_NS = "http://www.w3.org/1999/xhtml";
 const Services = require("Services");
 const {HTMLTooltip} = require("devtools/client/shared/widgets/tooltip/HTMLTooltip");
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const {PrefObserver} = require("devtools/client/shared/prefs");
 
 let itemIdCounter = 0;

devtools/client/shared/developer-toolbar.js

@@ -29,7 +29,7 @@ loader.lazyRequireGetter(this, "ConsoleServiceListener", "devtools/server/actors
 loader.lazyRequireGetter(this, "gDevTools", "devtools/client/framework/devtools", true);
 loader.lazyRequireGetter(this, "gDevToolsBrowser", "devtools/client/framework/devtools-browser", true);
 loader.lazyRequireGetter(this, "nodeConstants", "devtools/shared/dom-node-constants");
-loader.lazyRequireGetter(this, "EventEmitter", "devtools/shared/event-emitter");
+loader.lazyRequireGetter(this, "EventEmitter", "devtools/shared/old-event-emitter");
 
 /**
  * A collection of utilities to help working with commands

devtools/client/shared/devtools-file-watcher.js

@@ -5,7 +5,7 @@
 
 const { Ci } = require("chrome");
 const Services = require("Services");
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 
 loader.lazyImporter(this, "OS", "resource://gre/modules/osfile.jsm");
 

devtools/client/shared/inplace-editor.js

@@ -42,7 +42,7 @@ const MAX_POPUP_ENTRIES = 500;
 const FOCUS_FORWARD = focusManager.MOVEFOCUS_FORWARD;
 const FOCUS_BACKWARD = focusManager.MOVEFOCUS_BACKWARD;
 
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const { findMostRelevantCssPropertyIndex } = require("./suggestion-picker");
 
 /**

devtools/client/shared/key-shortcuts.js

@@ -5,7 +5,7 @@
 "use strict";
 
 const Services = require("Services");
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const isOSX = Services.appinfo.OS === "Darwin";
 const {KeyCodes} = require("devtools/client/shared/keycodes");
 

devtools/client/shared/options-view.js

@@ -1,6 +1,6 @@
 "use strict";
 
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const Services = require("Services");
 const { Preferences } = require("resource://gre/modules/Preferences.jsm");
 const OPTIONS_SHOWN_EVENT = "options-shown";

devtools/client/shared/output-parser.js

@@ -7,7 +7,7 @@
 const {angleUtils} = require("devtools/client/shared/css-angle");
 const {colorUtils} = require("devtools/shared/css/color");
 const {getCSSLexer} = require("devtools/shared/css/lexer");
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const {
   ANGLE_TAKING_FUNCTIONS,
   BASIC_SHAPE_FUNCTIONS,

devtools/client/shared/prefs.js

@@ -4,7 +4,7 @@
 "use strict";
 
 const Services = require("Services");
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 
 /**
  * Shortcuts for lazily accessing and setting various preferences.

devtools/client/shared/widgets/AbstractTreeItem.jsm

@@ -12,7 +12,7 @@ const { XPCOMUtils } = require("resource://gre/modules/XPCOMUtils.jsm");
 const { ViewHelpers } = require("devtools/client/shared/widgets/view-helpers");
 const { KeyCodes } = require("devtools/client/shared/keycodes");
 
-loader.lazyRequireGetter(this, "EventEmitter", "devtools/shared/event-emitter");
+loader.lazyRequireGetter(this, "EventEmitter", "devtools/shared/old-event-emitter");
 
 XPCOMUtils.defineLazyModuleGetter(this, "console",
   "resource://gre/modules/Console.jsm");

devtools/client/shared/widgets/BreadcrumbsWidget.jsm

@@ -11,7 +11,7 @@ const ENSURE_SELECTION_VISIBLE_DELAY = 50; // ms
 
 const { require } = Cu.import("resource://devtools/shared/Loader.jsm", {});
 const { ViewHelpers, setNamedTimeout } = require("devtools/client/shared/widgets/view-helpers");
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 
 this.EXPORTED_SYMBOLS = ["BreadcrumbsWidget"];
 

devtools/client/shared/widgets/Chart.js

@@ -12,7 +12,7 @@ const NAMED_SLICE_MIN_ANGLE = TAU / 8;
 const NAMED_SLICE_TEXT_DISTANCE_RATIO = 1.9;
 const HOVERED_SLICE_TRANSLATE_DISTANCE_RATIO = 20;
 
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const { LocalizationHelper } = require("devtools/shared/l10n");
 const L10N = new LocalizationHelper(NET_STRINGS_URI);
 

devtools/client/shared/widgets/ColorWidget.js

@@ -10,7 +10,7 @@
 "use strict";
 
 const {Task} = require("devtools/shared/task");
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const {colorUtils} = require("devtools/shared/css/color");
 const {LocalizationHelper} = require("devtools/shared/l10n");
 const L10N = new LocalizationHelper("devtools/client/locales/inspector.properties");

devtools/client/shared/widgets/CubicBezierWidget.js

@@ -25,7 +25,7 @@
 
 "use strict";
 
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const {
   PREDEFINED,
   PRESETS,

devtools/client/shared/widgets/FastListWidget.js

@@ -5,7 +5,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 "use strict";
 
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const { ViewHelpers } = require("devtools/client/shared/widgets/view-helpers");
 
 /**

devtools/client/shared/widgets/FilterWidget.js

@@ -9,7 +9,7 @@
   * for Rule View's filter swatches
   */
 
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const { Cc, Ci } = require("chrome");
 const XHTML_NS = "http://www.w3.org/1999/xhtml";
 

devtools/client/shared/widgets/FlameGraph.js

@@ -9,7 +9,7 @@ const { ELLIPSIS } = require("devtools/shared/l10n");
 
 loader.lazyRequireGetter(this, "defer", "devtools/shared/defer");
 loader.lazyRequireGetter(this, "EventEmitter",
-  "devtools/shared/event-emitter");
+  "devtools/shared/old-event-emitter");
 
 loader.lazyRequireGetter(this, "getColor",
   "devtools/client/shared/theme", true);

devtools/client/shared/widgets/Graphs.js

@@ -9,7 +9,7 @@ const { getCurrentZoom } = require("devtools/shared/layout/utils");
 
 loader.lazyRequireGetter(this, "defer", "devtools/shared/defer");
 loader.lazyRequireGetter(this, "EventEmitter",
-  "devtools/shared/event-emitter");
+  "devtools/shared/old-event-emitter");
 
 loader.lazyImporter(this, "DevToolsWorker",
   "resource://devtools/shared/worker/worker.js");

devtools/client/shared/widgets/MdnDocsWidget.js

@@ -27,7 +27,7 @@
 const Services = require("Services");
 const defer = require("devtools/shared/defer");
 const {getCSSLexer} = require("devtools/shared/css/lexer");
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const {gDevTools} = require("devtools/client/framework/devtools");
 
 const {LocalizationHelper} = require("devtools/shared/l10n");

devtools/client/shared/widgets/SideMenuWidget.jsm

@@ -11,7 +11,7 @@ const Cu = Components.utils;
 const SHARED_STRINGS_URI = "devtools/client/locales/shared.properties";
 
 const { require } = Cu.import("resource://devtools/shared/Loader.jsm", {});
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const { LocalizationHelper } = require("devtools/shared/l10n");
 const { ViewHelpers } = require("devtools/client/shared/widgets/view-helpers");
 

devtools/client/shared/widgets/Spectrum.js

@@ -4,7 +4,7 @@
 
 "use strict";
 
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const XHTML_NS = "http://www.w3.org/1999/xhtml";
 
 /**

devtools/client/shared/widgets/TableWidget.js

@@ -3,7 +3,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 "use strict";
 
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 loader.lazyRequireGetter(this, "setNamedTimeout",
   "devtools/client/shared/widgets/view-helpers", true);
 loader.lazyRequireGetter(this, "clearNamedTimeout",

devtools/client/shared/widgets/TreeWidget.js

@@ -7,7 +7,7 @@
 
 const HTML_NS = "http://www.w3.org/1999/xhtml";
 
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const {KeyCodes} = require("devtools/client/shared/keycodes");
 
 /**

devtools/client/shared/widgets/VariablesView.jsm

@@ -18,7 +18,7 @@ const ITEM_FLASH_DURATION = 300; // ms
 
 const { require } = Cu.import("resource://devtools/shared/Loader.jsm", {});
 const {XPCOMUtils} = require("resource://gre/modules/XPCOMUtils.jsm");
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const DevToolsUtils = require("devtools/shared/DevToolsUtils");
 const Services = require("Services");
 const { getSourceNames } = require("devtools/client/shared/source-utils");

devtools/client/shared/widgets/tooltip/HTMLTooltip.js

@@ -6,7 +6,7 @@
 
 "use strict";
 
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const {TooltipToggle} = require("devtools/client/shared/widgets/tooltip/TooltipToggle");
 const {listenOnce} = require("devtools/shared/async-utils");
 const {Task} = require("devtools/shared/task");

devtools/client/shared/widgets/tooltip/InlineTooltip.js

@@ -4,7 +4,7 @@
 
 "use strict";
 
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 
 /**
  * The InlineTooltip can display widgets for the CSS Rules view in an

devtools/client/shared/widgets/tooltip/SwatchBasedEditorTooltip.js

@@ -4,7 +4,7 @@
 
 "use strict";
 
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const KeyShortcuts = require("devtools/client/shared/key-shortcuts");
 const {HTMLTooltip} = require("devtools/client/shared/widgets/tooltip/HTMLTooltip");
 const InlineTooltip = require("devtools/client/shared/widgets/tooltip/InlineTooltip");

devtools/client/shared/widgets/tooltip/Tooltip.js

@@ -5,7 +5,7 @@
 "use strict";
 
 const defer = require("devtools/shared/defer");
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const {KeyCodes} = require("devtools/client/shared/keycodes");
 const {TooltipToggle} = require("devtools/client/shared/widgets/tooltip/TooltipToggle");
 

devtools/client/sourceeditor/editor.js

@@ -30,7 +30,7 @@ const RE_SCRATCHPAD_ERROR = /(?:@Scratchpad\/\d+:|\()(\d+):?(\d+)?(?:\)|\n)/;
 const RE_JUMP_TO_LINE = /^(\d+):?(\d+)?/;
 
 const Services = require("Services");
-const events = require("devtools/shared/event-emitter");
+const events = require("devtools/shared/old-event-emitter");
 const { PrefObserver } = require("devtools/client/shared/prefs");
 const { getClientCssProperties } = require("devtools/shared/fronts/css-properties");
 const KeyShortcuts = require("devtools/client/shared/key-shortcuts");

devtools/client/storage/panel.js

@@ -6,7 +6,7 @@
 
 "use strict";
 
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 
 loader.lazyRequireGetter(this, "StorageFront",
                          "devtools/shared/fronts/storage", true);

devtools/client/storage/ui.js

@@ -6,7 +6,7 @@
 "use strict";
 
 const {Task} = require("devtools/shared/task");
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const {LocalizationHelper, ELLIPSIS} = require("devtools/shared/l10n");
 const KeyShortcuts = require("devtools/client/shared/key-shortcuts");
 const JSOL = require("devtools/client/shared/vendor/jsol");

devtools/client/styleeditor/StyleEditorUI.jsm

@@ -15,7 +15,7 @@ const Services = require("Services");
 const {NetUtil} = require("resource://gre/modules/NetUtil.jsm");
 const {OS} = require("resource://gre/modules/osfile.jsm");
 const {Task} = require("devtools/shared/task");
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const {gDevTools} = require("devtools/client/framework/devtools");
 const {
   getString,

devtools/client/styleeditor/StyleSheetEditor.jsm

@@ -17,7 +17,7 @@ const promise = require("promise");
 const {shortSource, prettifyCSS} = require("devtools/shared/inspector/css-logic");
 const {console} = require("resource://gre/modules/Console.jsm");
 const Services = require("Services");
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const {Task} = require("devtools/shared/task");
 const {FileUtils} = require("resource://gre/modules/FileUtils.jsm");
 const {NetUtil} = require("resource://gre/modules/NetUtil.jsm");

devtools/client/styleeditor/styleeditor-panel.js

@@ -8,7 +8,7 @@ var Services = require("Services");
 var promise = require("promise");
 var {Task} = require("devtools/shared/task");
 var {XPCOMUtils} = require("resource://gre/modules/XPCOMUtils.jsm");
-var EventEmitter = require("devtools/shared/event-emitter");
+var EventEmitter = require("devtools/shared/old-event-emitter");
 
 var {StyleEditorUI} = require("resource://devtools/client/styleeditor/StyleEditorUI.jsm");
 var {getString} = require("resource://devtools/client/styleeditor/StyleEditorUtil.jsm");

devtools/client/webaudioeditor/includes.js

@@ -10,7 +10,7 @@ const { XPCOMUtils } = require("resource://gre/modules/XPCOMUtils.jsm");
 const { EventTarget } = require("sdk/event/target");
 const { Task } = require("devtools/shared/task");
 const { Class } = require("sdk/core/heritage");
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const DevToolsUtils = require("devtools/shared/DevToolsUtils");
 const Services = require("Services");
 const { gDevTools } = require("devtools/client/framework/devtools");

devtools/client/webaudioeditor/panel.js

@@ -6,7 +6,7 @@
 "use strict";
 
 const { Cc, Ci, Cu, Cr } = require("chrome");
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const { WebAudioFront } = require("devtools/shared/fronts/webaudio");
 
 function WebAudioEditorPanel(iframeWindow, toolbox) {

devtools/client/webconsole/jsterm.js

@@ -16,7 +16,7 @@ const {KeyCodes} = require("devtools/client/shared/keycodes");
 loader.lazyServiceGetter(this, "clipboardHelper",
                          "@mozilla.org/widget/clipboardhelper;1",
                          "nsIClipboardHelper");
-loader.lazyRequireGetter(this, "EventEmitter", "devtools/shared/event-emitter");
+loader.lazyRequireGetter(this, "EventEmitter", "devtools/shared/old-event-emitter");
 loader.lazyRequireGetter(this, "AutocompletePopup", "devtools/client/shared/autocomplete-popup");
 loader.lazyRequireGetter(this, "ToolSidebar", "devtools/client/framework/sidebar", true);
 loader.lazyRequireGetter(this, "Messages", "devtools/client/webconsole/console-output", true);

devtools/client/webconsole/new-console-output/new-console-output-wrapper.js

@@ -13,7 +13,7 @@ const { batchActions } = require("devtools/client/shared/redux/middleware/deboun
 const { createContextMenu } = require("devtools/client/webconsole/new-console-output/utils/context-menu");
 const { configureStore } = require("devtools/client/webconsole/new-console-output/store");
 
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const ConsoleOutput = React.createFactory(require("devtools/client/webconsole/new-console-output/components/console-output"));
 const FilterBar = React.createFactory(require("devtools/client/webconsole/new-console-output/components/filter-bar"));
 

devtools/client/webconsole/new-console-output/test/chrome/test_render_perf.html

@@ -28,7 +28,7 @@ const NewConsoleOutputWrapper = browserRequire(
   "devtools/client/webconsole/new-console-output/new-console-output-wrapper");
 const actions =
   browserRequire("devtools/client/webconsole/new-console-output/actions/index");
-const EventEmitter = browserRequire("devtools/shared/event-emitter");
+const EventEmitter = browserRequire("devtools/shared/old-event-emitter");
 const testPackets = Array.from({length: NUM_MESSAGES}).map((el, id) => ({
   "from": "server1.conn4.child1/consoleActor2",
   "type": "consoleAPICall",

devtools/client/webconsole/new-webconsole.js

@@ -7,7 +7,7 @@
 "use strict";
 
 const {Utils: WebConsoleUtils} = require("devtools/client/webconsole/utils");
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const promise = require("promise");
 const defer = require("devtools/shared/defer");
 const Services = require("Services");

devtools/client/webconsole/panel.js

@@ -10,7 +10,7 @@ const promise = require("promise");
 const defer = require("devtools/shared/defer");
 
 loader.lazyGetter(this, "HUDService", () => require("devtools/client/webconsole/hudservice"));
-loader.lazyGetter(this, "EventEmitter", () => require("devtools/shared/event-emitter"));
+loader.lazyGetter(this, "EventEmitter", () => require("devtools/shared/old-event-emitter"));
 
 /**
  * A DevToolPanel that controls the Web Console.

devtools/client/webconsole/webconsole.js

@@ -23,7 +23,7 @@ const {PrefObserver} = require("devtools/client/shared/prefs");
 loader.lazyServiceGetter(this, "clipboardHelper",
                          "@mozilla.org/widget/clipboardhelper;1",
                          "nsIClipboardHelper");
-loader.lazyRequireGetter(this, "EventEmitter", "devtools/shared/event-emitter");
+loader.lazyRequireGetter(this, "EventEmitter", "devtools/shared/old-event-emitter");
 loader.lazyRequireGetter(this, "ConsoleOutput", "devtools/client/webconsole/console-output", true);
 loader.lazyRequireGetter(this, "Messages", "devtools/client/webconsole/console-output", true);
 loader.lazyRequireGetter(this, "EnvironmentClient", "devtools/shared/client/main", true);

devtools/client/webconsole/webpack.config.js

@@ -79,7 +79,7 @@ webpackConfig.resolve = {
     "devtools/client/shared/zoom-keys": "devtools-modules/src/zoom-keys",
 
     "devtools/shared/defer": path.join(__dirname, "../../shared/defer"),
-    "devtools/shared/event-emitter": "devtools-modules/src/utils/event-emitter",
+    "devtools/shared/old-event-emitter": "devtools-modules/src/utils/event-emitter",
     "devtools/shared/client/main": path.join(__dirname, "new-console-output/test/fixtures/ObjectClient"),
     "devtools/shared/platform/clipboard": path.join(__dirname, "../../shared/platform/content/clipboard"),
   }

devtools/client/webide/content/monitor.js

@@ -8,7 +8,7 @@ const Services = require("Services");
 const {AppManager} = require("devtools/client/webide/modules/app-manager");
 const {AppActorFront} = require("devtools/shared/apps/app-actor-front");
 const {Connection} = require("devtools/shared/client/connection-manager");
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 
 window.addEventListener("load", function () {
   window.addEventListener("resize", Monitor.resize);

devtools/client/webide/content/simulator.js

@@ -9,7 +9,7 @@ const { require } = Cu.import("resource://devtools/shared/Loader.jsm", {});
 const { getDevices, getDeviceString } = require("devtools/client/shared/devices");
 const { Simulators, Simulator } = require("devtools/client/webide/modules/simulators");
 const Services = require("Services");
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const promise = require("promise");
 const utils = require("devtools/client/webide/modules/utils");
 

devtools/client/webide/content/webide.js

@@ -13,7 +13,7 @@ const Services = require("Services");
 const {AppProjects} = require("devtools/client/webide/modules/app-projects");
 const {Connection} = require("devtools/shared/client/connection-manager");
 const {AppManager} = require("devtools/client/webide/modules/app-manager");
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const promise = require("promise");
 const {GetAvailableAddons} = require("devtools/client/webide/modules/addons");
 const {getJSON} = require("devtools/client/shared/getjson");

devtools/client/webide/modules/addons.js

@@ -7,7 +7,7 @@
 const {AddonManager} = require("resource://gre/modules/AddonManager.jsm");
 const Services = require("Services");
 const {getJSON} = require("devtools/client/shared/getjson");
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 
 const ADDONS_URL = "devtools.webide.addonsURL";
 

devtools/client/webide/modules/app-manager.js

@@ -7,7 +7,7 @@ const {Cu} = require("chrome");
 const {TargetFactory} = require("devtools/client/framework/target");
 const Services = require("Services");
 const {FileUtils} = Cu.import("resource://gre/modules/FileUtils.jsm", {});
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const {OS} = Cu.import("resource://gre/modules/osfile.jsm", {});
 const {AppProjects} = require("devtools/client/webide/modules/app-projects");
 const TabStore = require("devtools/client/webide/modules/tab-store");

devtools/client/webide/modules/app-projects.js

@@ -4,7 +4,7 @@
 
 const {Cc, Ci, Cu, Cr} = require("chrome");
 
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const {generateUUID} = Cc["@mozilla.org/uuid-generator;1"].getService(Ci.nsIUUIDGenerator);
 const {FileUtils} = Cu.import("resource://gre/modules/FileUtils.jsm", {});
 

devtools/client/webide/modules/config-view.js

@@ -4,7 +4,7 @@
 
 const {Cu} = require("chrome");
 
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const Services = require("Services");
 const Strings = Services.strings.createBundle("chrome://devtools/locale/webide.properties");
 

devtools/client/webide/modules/project-list.js

@@ -7,7 +7,7 @@ const {Cu} = require("chrome");
 const Services = require("Services");
 const {AppProjects} = require("devtools/client/webide/modules/app-projects");
 const {AppManager} = require("devtools/client/webide/modules/app-manager");
-const EventEmitter = require("devtools/shared/event-emitter");
+const EventEmitter = require("devtools/shared/old-event-emitter");
 const {Task} = require("devtools/shared/task");
 const utils = require("devtools/client/webide/modules/utils");
 const Telemetry = require("devtools/client/shared/telemetry");