Spun off from bug 1185893. Besides the other items that are still on file, and some that I checked already, here's the complete list of grepping through browser/ and toolkit/ : browser/devtools/eyedropper/eyedropper.js: closeCmd.addEventListener("command", this.destroy.bind(this), true); browser/devtools/eyedropper/eyedropper.js: copyCmd.addEventListener("command", this.selectColor.bind(this), true); browser/devtools/framework/toolbox-options.js: checkbox.addEventListener("command", onCheckboxClick.bind(this, checkbox)); browser/devtools/framework/toolbox-options.js: checkbox.addEventListener("command", onCheckboxClick.bind(checkbox, tool.id)); browser/devtools/framework/toolbox.js: nextKey.addEventListener("command", this.selectNextTool.bind(this), true); browser/devtools/framework/toolbox.js: prevKey.addEventListener("command", this.selectPreviousTool.bind(this), true); browser/devtools/framework/toolbox.js: toggleKey.addEventListener("command", this.switchToPreviousHost.bind(this), true); browser/devtools/framework/toolbox.js: inKey.addEventListener("command", this.zoomIn.bind(this), true); browser/devtools/framework/toolbox.js: inKey2.addEventListener("command", this.zoomIn.bind(this), true); browser/devtools/framework/toolbox.js: outKey.addEventListener("command", this.zoomOut.bind(this), true); browser/devtools/framework/toolbox.js: resetKey.addEventListener("command", this.zoomReset.bind(this), true); browser/devtools/scratchpad/scratchpad.js: menuitem.addEventListener("command", Scratchpad.openFile.bind(Scratchpad, i)); browser/devtools/scratchpad/scratchpad.js:addEventListener("load", Scratchpad.onLoad.bind(Scratchpad), false); browser/devtools/scratchpad/scratchpad.js:addEventListener("unload", Scratchpad.onUnload.bind(Scratchpad), false); browser/devtools/scratchpad/scratchpad.js:addEventListener("close", Scratchpad.onClose.bind(Scratchpad), false); browser/devtools/shared/widgets/BreadcrumbsWidget.jsm: this._list.addEventListener("underflow", this._onUnderflow.bind(this), false); browser/devtools/shared/widgets/BreadcrumbsWidget.jsm: this._list.addEventListener("overflow", this._onOverflow.bind(this), false); browser/devtools/shared/widgets/Chart.jsm: node.addEventListener(event, emitter.emit.bind(emitter, event, args)); browser/devtools/shared/widgets/VariablesView.jsm: editNode.addEventListener("mousedown", this._onEdit.bind(this), false); browser/devtools/shared/widgets/VariablesView.jsm: deleteNode.addEventListener("click", this._onDelete.bind(this), false); browser/devtools/shared/widgets/VariablesView.jsm: addPropertyNode.addEventListener("mousedown", this._onAddProperty.bind(this), false); browser/devtools/styleeditor/StyleEditorUI.jsm: div.addEventListener("click", this._jumpToLocation.bind(this, location)); browser/devtools/tilt/tilt.js: this.chromeWindow.gBrowser.tabContainer.addEventListener( "TabSelect", this._onTabSelect.bind(this), false); browser/devtools/webconsole/console-output.js: anchor.addEventListener("contextmenu", options.onContextMenu.bind(this)); browser/devtools/webconsole/network-panel.js: a.addEventListener("mousedown", this._longStringClick.bind(this, aItem)); browser/devtools/webide/content/simulator.js: form.addEventListener("change", this.update.bind(this)); browser/devtools/webide/modules/runtime-list.js: configButton.addEventListener("click", r.configure.bind(r), true); browser/extensions/pdfjs/content/web/viewer.js: element.addEventListener('click', elements[item].handler.bind(this)); browser/extensions/pdfjs/content/web/viewer.js: toggleHandTool.addEventListener('click', this.toggle.bind(this), false); browser/extensions/pdfjs/content/web/viewer.js: this.passwordSubmit.addEventListener('click', this.verifyPassword.bind(this)); browser/extensions/pdfjs/content/web/viewer.js: this.passwordCancel.addEventListener('click', this.close.bind(this)); browser/extensions/pdfjs/content/web/viewer.js: options.closeButton.addEventListener('click', this.close.bind(this)); browser/extensions/pdfjs/content/web/viewer.js: document.getElementById('presentationMode').addEventListener('click', SecondaryToolbar.presentationModeClick.bind(SecondaryToolbar)); browser/extensions/pdfjs/content/web/viewer.js: document.getElementById('openFile').addEventListener('click', SecondaryToolbar.openFileClick.bind(SecondaryToolbar)); browser/extensions/pdfjs/content/web/viewer.js: document.getElementById('print').addEventListener('click', SecondaryToolbar.printClick.bind(SecondaryToolbar)); browser/extensions/pdfjs/content/web/viewer.js: document.getElementById('download').addEventListener('click', SecondaryToolbar.downloadClick.bind(SecondaryToolbar)); browser/extensions/shumway/content/shumway.gfx.js: window.addEventListener("resize", this._onResize.bind(this)); browser/extensions/shumway/content/shumway.gfx.js: window.addEventListener("resize", this._resizeHandler.bind(this), !1); browser/extensions/shumway/content/shumway.gfx.js: this._easel.addEventListener("resize", this._resizeEventListener.bind(this)); browser/extensions/shumway/content/shumway.player.js: window.addEventListener("resize", this._onResize.bind(this)); browser/extensions/shumway/content/shumway.player.js: window.addEventListener("resize", this._resizeHandler.bind(this), !1); browser/extensions/shumway/content/shumway.player.js: this._mediaSource.addEventListener("sourceopen", this._openMediaSource.bind(this)); browser/extensions/shumway/content/shumway.player.js: q.addEventListener(e.OPEN, this.onStreamOpen.bind(this)); browser/extensions/shumway/content/shumway.player.js: q.addEventListener(e.COMPLETE, this.onStreamComplete.bind(this)); browser/extensions/shumway/content/shumway.player.js: q.addEventListener(d.PROGRESS, this.onStreamProgress.bind(this)); browser/extensions/shumway/content/shumway.player.js: q.addEventListener(l.IO_ERROR, this.onStreamIOError.bind(this)); browser/extensions/shumway/content/shumway.player.js: q.addEventListener(a.HTTP_STATUS, this.onStreamHTTPStatus.bind(this)); browser/extensions/shumway/content/shumway.player.js: q.addEventListener(a.HTTP_RESPONSE_STATUS, this.onStreamHTTPResponseStatus.bind(this)); browser/extensions/shumway/content/shumway.player.js: q.addEventListener(c.SECURITY_ERROR, this.onStreamSecurityError.bind(this)); browser/extensions/shumway/content/shumway.player.js: d.addEventListener("addedToStage", this._addListeners.bind(this)); browser/extensions/shumway/content/shumway.player.js: d.addEventListener("removedFromStage", this._removeListeners.bind(this)); browser/extensions/shumway/content/shumway.player.js: this._loader.contentLoaderInfo.addEventListener(n.events.Event.OPEN, this.openHandler.bind(this)); browser/extensions/shumway/content/shumway.player.js: this._loader.contentLoaderInfo.addEventListener(n.events.ProgressEvent.PROGRESS, this.progressHandler.bind(this)); browser/extensions/shumway/content/shumway.player.js: this._loader.contentLoaderInfo.addEventListener(n.events.IOErrorEvent.IO_ERROR, this.ioErrorHandler.bind(this)); browser/extensions/shumway/content/shumway.player.js: this._loader.contentLoaderInfo.addEventListener(n.events.Event.COMPLETE, this.completeHandler.bind(this)); browser/extensions/shumway/content/shumway.player.js: this._loader.contentLoaderInfo.addEventListener(n.events.Event.INIT, this.initHandler.bind(this)); toolkit/components/passwordmgr/content/passwordManager.js: treecols.addEventListener("click", HandleTreeColumnClick.bind(null, SignonColumnSort)); toolkit/components/passwordmgr/content/passwordManagerExceptions.js: treecols.addEventListener("click", HandleTreeColumnClick.bind(null, RejectColumnSort)); toolkit/components/prompts/content/tabprompts.xml: this.ui.button0.addEventListener("command", this.onButtonClick.bind(this, 0), false); toolkit/components/prompts/content/tabprompts.xml: this.ui.button1.addEventListener("command", this.onButtonClick.bind(this, 1), false); toolkit/components/prompts/content/tabprompts.xml: this.ui.button2.addEventListener("command", this.onButtonClick.bind(this, 2), false); toolkit/components/prompts/content/tabprompts.xml: this.ui.button3.addEventListener("command", this.onButtonClick.bind(this, 3), false); toolkit/components/search/SearchSuggestionController.jsm: this._request.addEventListener("load", this._onRemoteLoaded.bind(this, deferredResponse)); toolkit/components/viewsource/content/viewSourceUtils.js: webNavigation.document.addEventListener("DOMContentLoaded", this.onContentLoaded.bind(this)); toolkit/content/aboutwebrtc/aboutWebrtc.js: ctrl.addEventListener("click", this.onClick.bind(this)); toolkit/mozapps/extensions/content/setting.xml: this.control.addEventListener("command", this.inputChanged.bind(this), false); Not all of these are going to be wrong (in fact, probably very many never get removed, in which case we do nothing here right now) but it'd be good to go through them and figure out which ones are.