src/vs/workbench/contrib/search/common/searchModel.ts/FileMatch/updateHighlights
class FileMatch:	updateHighlights(): void {
		if (!this._model) {
			return;
		}

		if (this.parent().showHighlights) {
			this._modelDecorations = this._model.deltaDecorations(this._modelDecorations, this.matches().map(match => <IModelDeltaDecoration>{
				range: match.range(),
				options: FileMatch.getDecorationOption(this.isMatchSelected(match))
			}));
		} else {
			this._modelDecorations = this._model.deltaDecorations(this._modelDecorations, []);
		}
	}