Migrate most EventEmitter to base/ Emitter

src/browser/CoreBrowserTerminal.ts

@@ -58,6 +58,7 @@ import { IDecorationService } from 'common/services/Services';
 import { WindowsOptionsReportType } from '../common/InputHandler';
 import { AccessibilityManager } from './AccessibilityManager';
 import { Linkifier } from './Linkifier';
+import { Emitter } from 'vs/base/common/event';
 
 export class CoreBrowserTerminal extends CoreTerminal implements ITerminal {
   public textarea: HTMLTextAreaElement | undefined;
@@ -121,28 +122,28 @@ export class CoreBrowserTerminal extends CoreTerminal implements ITerminal {
   private _compositionHelper: ICompositionHelper | undefined;
   private _accessibilityManager: MutableDisposable<AccessibilityManager> = this.register(new MutableDisposable());
 
-  private readonly _onCursorMove = this.register(new EventEmitter<void>());
+  private readonly _onCursorMove = this.register(new Emitter<void>());
   public readonly onCursorMove = this._onCursorMove.event;
   private readonly _onKey = this.register(new EventEmitter<{ key: string, domEvent: KeyboardEvent }>());
   public readonly onKey = this._onKey.event;
   private readonly _onRender = this.register(new EventEmitter<{ start: number, end: number }>());
   public readonly onRender = this._onRender.event;
-  private readonly _onSelectionChange = this.register(new EventEmitter<void>());
+  private readonly _onSelectionChange = this.register(new Emitter<void>());
   public readonly onSelectionChange = this._onSelectionChange.event;
-  private readonly _onTitleChange = this.register(new EventEmitter<string>());
+  private readonly _onTitleChange = this.register(new Emitter<string>());
   public readonly onTitleChange = this._onTitleChange.event;
-  private readonly _onBell = this.register(new EventEmitter<void>());
+  private readonly _onBell = this.register(new Emitter<void>());
   public readonly onBell = this._onBell.event;
 
-  private _onFocus = this.register(new EventEmitter<void>());
+  private _onFocus = this.register(new Emitter<void>());
   public get onFocus(): IEvent<void> { return this._onFocus.event; }
-  private _onBlur = this.register(new EventEmitter<void>());
+  private _onBlur = this.register(new Emitter<void>());
   public get onBlur(): IEvent<void> { return this._onBlur.event; }
-  private _onA11yCharEmitter = this.register(new EventEmitter<string>());
+  private _onA11yCharEmitter = this.register(new Emitter<string>());
   public get onA11yChar(): IEvent<string> { return this._onA11yCharEmitter.event; }
-  private _onA11yTabEmitter = this.register(new EventEmitter<number>());
+  private _onA11yTabEmitter = this.register(new Emitter<number>());
   public get onA11yTab(): IEvent<number> { return this._onA11yTabEmitter.event; }
-  private _onWillOpen = this.register(new EventEmitter<HTMLElement>());
+  private _onWillOpen = this.register(new Emitter<HTMLElement>());
   public get onWillOpen(): IEvent<HTMLElement> { return this._onWillOpen.event; }
 
   constructor(