[DevTools] Dedicated frontend for debugging Node.

third_party/WebKit/LayoutTests/http/tests/inspector/debugger-test.js

 function scheduleTestFunction()
 {
     setTimeout(testFunction, 0);
 }
 
 var initialize_DebuggerTest = function() {
 
 InspectorTest.preloadPanel("sources");
 
 InspectorTest.startDebuggerTest = function(callback, quiet)
@@ skipping 630 matching lines @@
     function contextCreated()
     {
         target.runtimeModel.removeEventListener(SDK.RuntimeModel.Events.ExecutionContextCreated, contextCreated);
         callback(target.runtimeModel.executionContexts()[0]);
     }
 }
 
 InspectorTest.selectThread = function(target)
 {
     var threadsPane = self.runtime.sharedInstance(Sources.ThreadsSidebarPane);
-    var listItem = threadsPane._listItemForTarget(target);
-    threadsPane._onListItemClick(listItem);
+    var listItem = threadsPane._targetToListItem.get(target);
+    threadsPane._onListItemClick(listItem, target);
 }
 
 InspectorTest.evaluateOnCurrentCallFrame = function(code)
 {
     return new Promise(succ => InspectorTest.debuggerModel.evaluateOnSelectedCallFrame(code, "console", false, true, false, false, InspectorTest.safeWrap(succ)));
 }
 
 InspectorTest.prepareSourceFrameForBreakpointTest = function(sourceFrame)
 {
     var symbol = Symbol('waitedDecorations');
@@ skipping 59 matching lines @@
 {
     var textEditor = sourceFrame._textEditor;
     var lineLength = textEditor.line(lineNumber).length;
     var lineRange = new Common.TextRange(lineNumber, 0, lineNumber, lineLength);
     var bookmarks = textEditor.bookmarks(lineRange, Sources.JavaScriptSourceFrame.BreakpointDecoration._bookmarkSymbol);
     bookmarks.sort((bookmark1, bookmark2) => bookmark1.position().startColumn - bookmark2.position().startColumn);
     bookmarks[index][Sources.JavaScriptSourceFrame.BreakpointDecoration._elementSymbolForTest].click();
 }
 
 };