rem: if (hasStyleClass(row, "disabled")) removeStyleClass(row, "disabled"); 
add: if (row.hasStyleClass("disabled")) row.removeStyleClass("disabled"); 
context: function toggleBreakpoint(row, file, lineNum){    if (hasStyleClass(row, "disabled"))        removeStyleClass(row, "disabled");        else        addStyleClass(row, "disabled");        var temp = file.breakpoints[lineNum];    file.breakpoints[lineNum] = file.disabledBreakpoints[lineNum];    file.disabledBreakpoints[lineNum] = temp;}
meta: 10664	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10664/c6fb57961d884bd88831658bfe27448abb9cbe1c/debugger.js/clean/third_party/WebKit/WebKitTools/Drosera/debugger.js