Add a method to get default server

src/vs/platform/extensionManagement/common/extensionManagement.ts

@@ -322,6 +322,7 @@ export interface IExtensionManagementServer {
 export interface IExtensionManagementServerService {
 	_serviceBrand: any;
 	readonly extensionManagementServers: IExtensionManagementServer[];
+	getDefaultExtensionManagementServer(): IExtensionManagementServer;
 	getExtensionManagementServer(location: URI): IExtensionManagementServer;
 }
 

src/vs/workbench/services/extensions/node/extensionManagementServerService.ts

@@ -22,6 +22,10 @@ export class ExtensionManagementServerService implements IExtensionManagementSer
 	getExtensionManagementServer(location: URI): IExtensionManagementServer {
 		return this.extensionManagementServers[0];
 	}
+
+	getDefaultExtensionManagementServer(): IExtensionManagementServer {
+		return this.extensionManagementServers[0];
+	}
 }
 
 export class SingleServerExtensionManagementServerService implements IExtensionManagementServerService {
@@ -40,4 +44,8 @@ export class SingleServerExtensionManagementServerService implements IExtensionM
 		location = location.scheme === Schemas.file ? URI.from({ scheme: Schemas.file }) : location;
 		return this.extensionManagementServers.filter(server => location.authority === server.location.authority)[0];
 	}
+
+	getDefaultExtensionManagementServer(): IExtensionManagementServer {
+		return this.extensionManagementServers[0];
+	}
 }
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