| Index: third_party/WebKit/Source/core/dom/StyleChangeReason.h | 
| diff --git a/third_party/WebKit/Source/core/dom/StyleChangeReason.h b/third_party/WebKit/Source/core/dom/StyleChangeReason.h | 
| index 630c9d541e9d34a7946c704e96c92590173fc7e9..84e8e65f34126e7b8eac8010ae77feb936f81348 100644 | 
| --- a/third_party/WebKit/Source/core/dom/StyleChangeReason.h | 
| +++ b/third_party/WebKit/Source/core/dom/StyleChangeReason.h | 
| @@ -55,6 +55,7 @@ extern const AtomicString& g_active; | 
| extern const AtomicString& g_disabled; | 
| extern const AtomicString& g_drag; | 
| extern const AtomicString& g_focus; | 
| +extern const AtomicString& g_focus_within; | 
| extern const AtomicString& g_hover; | 
| extern const AtomicString& g_past; | 
| extern const AtomicString& g_unresolved; | 
|  |