| Index: third_party/WebCore/css/WebKitCSSRegionRule.idl | 
| diff --git a/third_party/WebCore/css/WebKitCSSRegionRule.idl b/third_party/WebCore/css/WebKitCSSRegionRule.idl | 
| index 6c1a8972be1df39b4549f9b3c653a5063aae9c00..ec3e6d51576fb7c8cea548f65f9f314824c56c70 100644 | 
| --- a/third_party/WebCore/css/WebKitCSSRegionRule.idl | 
| +++ b/third_party/WebCore/css/WebKitCSSRegionRule.idl | 
| @@ -29,7 +29,9 @@ | 
|  | 
| module css { | 
|  | 
| -    interface WebKitCSSRegionRule : CSSRule { | 
| +    interface [ | 
| +        Conditional=CSS_REGIONS, | 
| +    ] WebKitCSSRegionRule : CSSRule { | 
| readonly attribute CSSRuleList cssRules; | 
| }; | 
|  | 
|  |