DevTools: [console] Logged promise rejections do not change state once handled

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

 var initialize_ConsoleTest = function() {
 
 InspectorTest.preloadModule("source_frame");
 InspectorTest.preloadPanel("console");
 
 InspectorTest.evaluateInConsole = function(code, callback)
 {
     callback = InspectorTest.safeWrap(callback);
 
     var consoleView = WebInspector.ConsolePanel._view();
@@ skipping 194 matching lines @@
         var element = messageViews[i].contentElement();
         var messageText = InspectorTest.prepareConsoleMessageText(element);
         result.push(messageText + " " + messageViews[i].toMessageElement().getAttribute("class") + " > " + element.getAttribute("class"));
     }
     if (sortMessages)
         result.sort();
     for (var i = 0; i < result.length; ++i)
         InspectorTest.addResult(result[i]);
 }
 
+InspectorTest.dumpConsoleClassesBrief = function()
+{
+    var messageViews = WebInspector.ConsolePanel._view()._visibleViewMessages;
+    for (var i = 0; i < messageViews.length; ++i)
+        InspectorTest.addResult(messageViews[i].toMessageElement().className);
+}
+
 InspectorTest.expandConsoleMessages = function(callback, deepFilter, sectionFilter)
 {
     var messageViews = WebInspector.ConsolePanel._view()._visibleViewMessages;
 
     // Initiate round-trips to fetch necessary data for further rendering.
     for (var i = 0; i < messageViews.length; ++i)
         messageViews[i].contentElement();
 
     InspectorTest.runAfterPendingDispatches(expandTreeElements);
 
@@ skipping 95 matching lines @@
         if (consoleView._visibleViewMessages.length === expectedCount) {
             InspectorTest.addResult("Message count: " + expectedCount);
             callback();
         } else {
             InspectorTest.addSniffer(consoleView, "_messageAppendedForTests", checkAndReturn);
         }
     }
 }
 
 }