| Index: Source/core/frame/UseCounter.h | 
| diff --git a/Source/core/frame/UseCounter.h b/Source/core/frame/UseCounter.h | 
| index 13f308b9bcee95f17d9108a7f179f8ec9aea47b3..101f2a2c4d623070082421ac8a18bde14a22499e 100644 | 
| --- a/Source/core/frame/UseCounter.h | 
| +++ b/Source/core/frame/UseCounter.h | 
| @@ -487,6 +487,7 @@ public: | 
| PPAPIRequestAllowedByObjectSrc = 486, | 
| PPAPIRequestBypassedObjectSrc = 487, | 
| WebKitPoint = 488, | 
| +        HTMLPreElementWidth = 489, | 
| // Add new features immediately above this line. Don't change assigned | 
| // numbers of any item, and don't reuse removed slots. | 
| // Also, run update_use_counter_feature_enum.py in chromium/src/tools/metrics/histograms/ | 
|  |