src/vs/workbench/common/editor/resourceEditorInput.ts/AbstractResourceEditorInput/updateLabel
class AbstractResourceEditorInput:	private updateLabel(): void {

		// Clear any cached labels from before
		this._name = undefined;
		this._shortDescription = undefined;
		this._mediumDescription = undefined;
		this._longDescription = undefined;
		this._shortTitle = undefined;
		this._mediumTitle = undefined;
		this._longTitle = undefined;

		// Trigger recompute of label
		this._onDidChangeLabel.fire();
	}