| Index: extensions/browser/api/BUILD.gn | 
| diff --git a/extensions/browser/api/BUILD.gn b/extensions/browser/api/BUILD.gn | 
| index 6ca6a911024464b1cf7214b829387bc8d9687874..bd5d5c0cad8ff962021516a6486e43a8a73139ed 100644 | 
| --- a/extensions/browser/api/BUILD.gn | 
| +++ b/extensions/browser/api/BUILD.gn | 
| @@ -57,6 +57,7 @@ source_set("api") { | 
| "//extensions/browser/api/dns", | 
| "//extensions/browser/api/document_scan", | 
| "//extensions/browser/api/file_handlers", | 
| +    "//extensions/browser/api/file_system", | 
| "//extensions/browser/api/hid", | 
| "//extensions/browser/api/idle", | 
| "//extensions/browser/api/management", | 
|  |