src/vs/platform/extensionManagement/common/extensionManagementIpc.ts/ExtensionManagementChannelClient/installFromLocation
class ExtensionManagementChannelClient:	installFromLocation(location: URI, profileLocation: URI): Promise<ILocalExtension> {
		return Promise.resolve(this.channel.call<ILocalExtension>('installFromLocation', [location, profileLocation])).then(local => transformIncomingExtension(local, null));
	}