fileService: add scheme to change capaiblity event

src/vs/platform/files/common/fileService.ts

@@ -56,7 +56,7 @@ export class FileService extends Disposable implements IFileService {
 		// Forward events from provider
 		const providerDisposables = new DisposableStore();
 		providerDisposables.add(provider.onDidChangeFile(changes => this._onFileChanges.fire(new FileChangesEvent(changes))));
-		providerDisposables.add(provider.onDidChangeCapabilities(() => this._onDidChangeFileSystemProviderCapabilities.fire({ provider })));
+		providerDisposables.add(provider.onDidChangeCapabilities(() => this._onDidChangeFileSystemProviderCapabilities.fire({ provider, scheme })));
 		if (typeof provider.onDidErrorOccur === 'function') {
 			providerDisposables.add(provider.onDidErrorOccur(error => this._onError.fire(new Error(error))));
 		}

src/vs/platform/files/common/files.ts

@@ -416,6 +416,7 @@ export interface IFileSystemProviderRegistrationEvent {
 
 export interface IFileSystemProviderCapabilitiesChangeEvent {
 	provider: IFileSystemProvider;
+	scheme: string;
 }
 
 export interface IFileSystemProviderActivationEvent {