function searchInNextFile(uiSourceCode)
        {
            if (uiSourceCode.isDirty())
                contentLoaded.call(this, uiSourceCode, uiSourceCode.workingCopy());
            else
                uiSourceCode.checkContentUpdated(contentUpdated.bind(this, uiSourceCode));
        }
@param {!WebInspector.UISourceCode} uiSourceCode
@this {WebInspector.SourcesSearchScope}