- remove dependencies on NSString and NSData extras from Foundation

        * Misc.subproj/WebKitNSStringExtras.h:
        * Misc.subproj/WebKitNSStringExtras.m:
        (-[NSString _webkit_isCaseInsensitiveEqualToString:]):
        (-[NSString _webkit_hasCaseInsensitivePrefix:]):
        (-[NSString _webkit_stringByTrimmingWhitespace]):
        (-[NSString _webkit_stringByCollapsingNonPrintingCharacters]):
        (-[NSString _webkit_fixedCarbonPOSIXPath]):
        * Misc.subproj/WebNSDataExtras.h:
        * Misc.subproj/WebNSDataExtras.m:
        (-[NSString _web_capitalizeRFC822HeaderFieldName]):
        (-[NSData _web_isCaseInsensitiveEqualToCString:]):
        (_findEOL):
        (-[NSData _web_parseRFC822HeaderFields]):
        (-[NSData _webkit_guessedMIMETypeForXML]):
        (-[NSData _webkit_guessedMIMEType]):
        * Misc.subproj/WebNSPasteboardExtras.m:
        (-[NSPasteboard _web_bestURL]):
        * Misc.subproj/WebNSURLExtras.h:
        * Misc.subproj/WebNSURLExtras.m:
        (applyHostNameFunctionToURLString):
        (+[NSURL _web_URLWithUserTypedString:relativeToURL:]):
        (+[NSURL _web_URLWithDataAsString:relativeToURL:]):
        (-[NSURL _webkit_shouldLoadAsEmptyDocument]):
        (-[NSString _webkit_isJavaScriptURL]):
        (-[NSString _webkit_isFileURL]):
        (-[NSString _webkit_isFTPDirectoryURL]):
        (-[NSString _web_encodeHostName]):
        (-[NSString _webkit_rangeOfURLScheme]):
        (-[NSString _webkit_looksLikeAbsoluteURL]):
        (-[NSString _webkit_URLFragment]):
        * Misc.subproj/WebNSViewExtras.m:
        * Plugins.subproj/WebBaseNetscapePluginView.m:
        (-[WebBaseNetscapePluginView _postURL:target:len:buf:file:notifyData:sendNotification:allowHeaders:]):
        * Plugins.subproj/WebPluginDatabase.m:
        * WebCoreSupport.subproj/WebBridge.m:
        (-[WebBridge setTitle:]):
        * WebView.subproj/WebDataSource.m:
        (-[WebDataSource _setTitle:]):
        * WebView.subproj/WebFrame.m:
        (-[WebFrame _loadItem:withLoadType:]):
        * WebView.subproj/WebPreferences.m:
        (-[WebPreferences userStyleSheetLocation]):
        * WebView.subproj/WebView.m:
        (+[WebView _MIMETypeForFile:]):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@9259 268f45cc-cd09-0410-ab3c-d52691b4dbfc