src/vs/workbench/services/textMate/browser/nativeTextMateService.ts/TextMateService/_doUpdateTheme
class TextMateService:	protected override _doUpdateTheme(grammarFactory: TMGrammarFactory | null, theme: IRawTheme, colorMap: string[]): void {
		super._doUpdateTheme(grammarFactory, theme, colorMap);
		if (this._currentTheme && this._currentTokenColorMap && this._workerProxy) {
			this._workerProxy.acceptTheme(this._currentTheme, this._currentTokenColorMap);
		}
	}