DevTools: Support harmony variable scopes.

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

 var initialize_DebuggerTest = function() {
 
 InspectorTest.preloadPanel("sources");
 
 InspectorTest.startDebuggerTest = function(callback, quiet)
 {
     console.assert(WebInspector.debuggerModel.debuggerEnabled(), "Debugger has to be enabled");
     if (quiet !== undefined)
         InspectorTest._quiet = quiet;
     WebInspector.SourcesPanel.show();
@@ skipping 341 matching lines @@
     sourceFrame._breakpointManager.findBreakpointOnLine(sourceFrame._uiSourceCode, lineNumber).remove();
 };
 
 InspectorTest.dumpBreakpointSidebarPane = function(title)
 {
     var paneElement = WebInspector.panels.sources.sidebarPanes.jsBreakpoints.listElement;
     InspectorTest.addResult("Breakpoint sidebar pane " + (title || ""));
     InspectorTest.addResult(InspectorTest.textContentWithLineBreaks(paneElement));
 };
 
+InspectorTest.dumpScopeVariablesSidebarPane = function()
+{
+    InspectorTest.addResult("Scope variables sidebar pane:");
+    var sections = WebInspector.panels.sources.sidebarPanes.scopechain._sections;
+    for (var i = 0; i < sections.length; ++i) {
+        InspectorTest.addResult(InspectorTest.textContentWithLineBreaks(sections[i].element));
+        if (!sections[i].expanded)
+            InspectorTest.addResult("    <section collapsed>");
+    }
+};
+
+InspectorTest.expandScopeVariablesSidebarPane = function(callback)
+{
+    // Expand all but the global scope. Expanding global scope takes for too long so we keep it collapsed.
+    var sections = WebInspector.panels.sources.sidebarPanes.scopechain._sections;
+    for (var i = 0; i < sections.length - 1; ++i)
+        sections[i].expand();
+    InspectorTest.runAfterPendingDispatches(callback);
+};
+
 InspectorTest.expandProperties = function(properties, callback)
 {
     var index = 0;
     function expandNextPath()
     {
         if (index === properties.length) {
             InspectorTest.safeWrap(callback)();
             return;
         }
         var parentTreeElement = properties[index++];
@@ skipping 90 matching lines @@
     return self.runtime.instancesPromise(WebInspector.SourcesView.EditorAction).then(function(editorActions) {
         for (var i = 0; i < editorActions.length; ++i) {
             if (editorActions[i] instanceof WebInspector.ScriptFormatterEditorAction)
                 return editorActions[i];
         }
         return null;
     });
 };
 
 };