DevTools: simplify the async instrumentation harness.

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

 var initialize_ConsoleTest = function() {
 
 InspectorTest.preloadModule("source_frame");
 InspectorTest.preloadPanel("console");
 
 InspectorTest.selectMainExecutionContext = function()
 {
     var executionContexts = InspectorTest.mainTarget.runtimeModel.executionContexts();
     for (var context of executionContexts) {
         if (context.isDefault) {
@@ skipping 101 matching lines @@
                 if (node.nodeType === Node.ELEMENT_NODE && node.className)
                     classNames.push(node.className.replace("platform-linux", "platform-*").replace("platform-mac", "platform-*").replace("platform-windows", "platform-*"));
             }
         }
 
         if (InspectorTest.dumpConsoleTableMessage(uiMessage, false, result)) {
             if (dumpClassNames)
                 result.push(classNames.join(" > "));
         } else {
             var messageText = formatter(element, message);
+            messageText = messageText.replace(/VM\d+/g, "VM");
             result.push(messageText + (dumpClassNames ? " " + classNames.join(" > ") : ""));
         }
 
         if (printOriginatingCommand && uiMessage.consoleMessage().originatingMessage())
             result.push("Originating from: " + uiMessage.consoleMessage().originatingMessage().messageText);
     }
     return result;
 }
 
 InspectorTest.formatterIgnoreStackFrameUrls = function(messageFormatter, node)
@@ skipping 270 matching lines @@
         if (consoleView._visibleViewMessages.length === expectedCount) {
             InspectorTest.addResult("Message count: " + expectedCount);
             callback();
         } else {
             InspectorTest.addSniffer(consoleView, "_messageAppendedForTests", checkAndReturn);
         }
     }
 }
 
 }