| Index: Source/WebCore/page/PageVisibilityState.cpp | 
| =================================================================== | 
| --- Source/WebCore/page/PageVisibilityState.cpp	(revision 88229) | 
| +++ Source/WebCore/page/PageVisibilityState.cpp	(working copy) | 
| @@ -39,12 +39,15 @@ | 
| { | 
| DEFINE_STATIC_LOCAL(const String, visible, ("visible")); | 
| DEFINE_STATIC_LOCAL(const String, hidden, ("hidden")); | 
| +    DEFINE_STATIC_LOCAL(const String, prerender, ("prerender")); | 
|  | 
| switch (state) { | 
| case PageVisibilityStateVisible: | 
| return visible; | 
| case PageVisibilityStateHidden: | 
| return hidden; | 
| +    case PageVisibilityStatePrerender: | 
| +        return prerender; | 
| } | 
|  | 
| ASSERT_NOT_REACHED(); | 
|  |