src/vs/workbench/contrib/preferences/browser/keybindingWidgets.ts/KeybindingsSearchWidget/startRecordingKeys
class KeybindingsSearchWidget:	startRecordingKeys(): void {
		this.recordDisposables.add(dom.addDisposableListener(this.inputBox.inputElement, dom.EventType.KEY_DOWN, (e: KeyboardEvent) => this._onKeyDown(new StandardKeyboardEvent(e))));
		this.recordDisposables.add(dom.addDisposableListener(this.inputBox.inputElement, dom.EventType.BLUR, () => this._onBlur.fire()));
		this.recordDisposables.add(dom.addDisposableListener(this.inputBox.inputElement, dom.EventType.INPUT, () => {
			// Prevent other characters from showing up
			this.setInputValue(this._inputValue);
		}));
	}