Reviewed by Hyatt.
        
        - change JavaScript collector statistics calls to use HashCountedSet instead
        of CFSet; other misc cleanup
        http://bugzilla.opendarwin.org/show_bug.cgi?id=7072
        
        * kjs/collector.cpp:
        (KJS::Collector::numProtectedObjects): renamed from numReferencedObjects
        (KJS::typeName):
        (KJS::Collector::rootObjectTypeCounts): renamed from rootObjectClasses,
        use HashSet
        * kjs/collector.h:
        (KJS::Collector::isOutOfMemory): Renamed from outOfMemory.
        * kjs/nodes.cpp:

WebCore:

        Reviewed by Hyatt.

        - change JavaScript collector statistics calls to use HashCountedSet instead
        of CFSet; other misc cleanup
        http://bugzilla.opendarwin.org/show_bug.cgi?id=7072

        * kwq/WebCoreJavaScript.h:
        * kwq/WebCoreJavaScript.mm:
        (+[WebCoreJavaScript protectedObjectCount]): Renamed from referencedObjectCounts
        (+[WebCoreJavaScript rootObjectTypeCounts]): Renamed from rootObjectClasses,
        changed from NSSet to NSCountedSet.

WebKit:

        Reviewed by Hyatt.

        - change JavaScript collector statistics calls to use HashCountedSet instead
        of CFSet; other misc cleanup
        http://bugzilla.opendarwin.org/show_bug.cgi?id=7072

        * Misc.subproj/WebCoreStatistics.h:
        * Misc.subproj/WebCoreStatistics.m:
        (+[WebCoreStatistics javaScriptProtectedObjectsCount]): new
        (+[WebCoreStatistics javaScriptRootObjecTypeCounts]): new
        (+[WebCoreStatistics javaScriptRootObjectClasses]): deprecated
        (+[WebCoreStatistics javaScriptReferencedObjectsCount]): deprecated
        (+[WebCoreStatistics javaScriptNoGCAllowedObjectsCount]): Just return 0. Deprecated.



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@12559 268f45cc-cd09-0410-ab3c-d52691b4dbfc