Reviewed by Kevin.

    Reviewed by Kevin.

	- remove dependency on NSFileManager and NSCalendarDate private extras from WebFou

        * History.subproj/WebHistory.m:
        (-[WebHistoryPrivate findIndex:forDay:]):
        (-[WebHistoryPrivate arrayRepresentation]):
        (-[WebHistoryPrivate _loadHistoryGuts:URL:error:]):
        * Misc.subproj/WebFileDatabase.m:
        (-[WebFileDatabase _truncateToSizeLimit:]):
        (-[WebFileDatabase removeAllObjects]):
        (-[WebFileDatabase performSetObject:forKey:]):
        (-[WebFileDatabase performRemoveObjectForKey:]):
        (-[WebFileDatabase open]):
        * Misc.subproj/WebKitNSStringExtras.m:
        (-[NSString _webkit_fixedCarbonPOSIXPath]):
        * Misc.subproj/WebNSCalendarDateExtras.h: Added.
        * Misc.subproj/WebNSCalendarDateExtras.m: Added.
        (-[NSCalendarDate _webkit_compareDay:]):
        * Misc.subproj/WebNSDataExtras.h:
        * Misc.subproj/WebNSDictionaryExtras.h:
        * Misc.subproj/WebNSFileManagerExtras.h: Added.
        * Misc.subproj/WebNSFileManagerExtras.m: Added.
        (-[NSFileManager _webkit_fileExistsAtPath:isDirectory:traverseLink:]):
        (-[NSFileManager _webkit_createIntermediateDirectoriesForPath:attributes:]):
        (-[NSFileManager _webkit_createDirectoryAtPathWithIntermediateDirectories:attributes:]):
        (-[NSFileManager _webkit_createFileAtPathWithIntermediateDirectories:contents:attributes:directoryAttributes:]):
        (-[NSFileManager _webkit_removeFileOnlyAtPath:]):
        (-[NSFileManager _webkit_backgroundRemoveFileAtPath:]):
        (-[NSFileManager _webkit_backgroundRemoveLeftoverFiles:]):
        (-[NSFileManager _webkit_carbonPathForPath:]):
        (-[NSFileManager _webkit_startupVolumeName]):
        (-[NSFileManager _webkit_pathWithUniqueFilenameForPath:]):
        * Plugins.subproj/WebBaseNetscapePluginStream.m:
        * WebKit.pbproj/project.pbxproj:
        * WebView.subproj/WebHTMLView.m:
        (-[WebHTMLView namesOfPromisedFilesDroppedAtDestination:]):
        * WebView.subproj/WebImageView.m:
        (-[WebImageView namesOfPromisedFilesDroppedAtDestination:]):

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@9261 268f45cc-cd09-0410-ab3c-d52691b4dbfc