rem: if (row.hasStyleClass("breakpoint")) toggleBreakpoint(row, file, lineNum); else 
add: if (row.hasStyleClass("breakpoint")) { if (!pendingAction) pendingAction = setTimeout(toggleBreakpoint, DebuggerDocument.doubleClickMilliseconds(), row, file, lineNum); } else 
context: function breakpointAction(event){    var row = event.target.parentNode;    var file = files[currentFile];    var lineNum = parseInt(event.target.title);        if (row.hasStyleClass("breakpoint"))        toggleBreakpoint(row, file, lineNum);        else        createBreakpoint(row, file, lineNum);}
meta: 10664	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10664/210dfad1d33be575f22d1b2fd642f203530ae57c/debugger.js/clean/third_party/WebKit/WebKitTools/Drosera/debugger.js