| Index: chrome/chrome_browser.gypi | 
| diff --git a/chrome/chrome_browser.gypi b/chrome/chrome_browser.gypi | 
| index b1eb8ef9c4015b7bad7ee7e37db7d03b0255d13d..8f801b8e74ad4eb8552d628b57cee17a5db843d5 100644 | 
| --- a/chrome/chrome_browser.gypi | 
| +++ b/chrome/chrome_browser.gypi | 
| @@ -1539,6 +1539,8 @@ | 
| 'browser/background/background_mode_manager_chromeos.cc', | 
| 'browser/background/background_mode_manager_mac.mm', | 
| 'browser/background/background_mode_manager_win.cc', | 
| +      'browser/background/background_mode_optimizer.cc', | 
| +      'browser/background/background_mode_optimizer.h', | 
| 'browser/background/background_trigger.h', | 
| ], | 
| 'chrome_browser_bookmark_sources': [ | 
|  |