DevTools: Support asynchronous call stacks on backend.

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

Index: LayoutTests/http/tests/inspector/debugger-test.js
diff --git a/LayoutTests/http/tests/inspector/debugger-test.js b/LayoutTests/http/tests/inspector/debugger-test.js
index a258c951b36c3f648ecb15f005b41956a8b0a473..30a9933f49628eca53e33fb6f6e13aeb4cd1db42 100644
--- a/LayoutTests/http/tests/inspector/debugger-test.js
+++ b/LayoutTests/http/tests/inspector/debugger-test.js
@@ -120,31 +120,46 @@ InspectorTest.resumeExecution = function(callback)
     InspectorTest.waitUntilResumed(callback);
 };
 
-InspectorTest.captureStackTrace = function(callFrames, dropLineNumbers, printReturnValue)
+InspectorTest.captureStackTrace = function(callFrames, options)
 {
-    InspectorTest.addResult("Call stack:");
-    for (var i = 0; i < callFrames.length; i++) {
-        var frame = callFrames[i];
-        var script = WebInspector.debuggerModel.scriptForId(frame.location.scriptId);
-        var url;
-        var lineNumber;
-        if (script) {
-            url = WebInspector.displayNameForURL(script.sourceURL);
-            lineNumber = frame.location.lineNumber + 1;
-        } else {
-            url = "(internal script)";
-            lineNumber = "(line number)";
+    options = options || {};
+
+    function printCallFrames(callFrames, indent)
+    {
+        indent = indent || "";
+        for (var i = 0; i < callFrames.length; i++) {
+            var frame = callFrames[i];
+            var script = WebInspector.debuggerModel.scriptForId(frame.location.scriptId);
+            var url;
+            var lineNumber;
+            if (script) {
+                url = WebInspector.displayNameForURL(script.sourceURL);
+                lineNumber = frame.location.lineNumber + 1;
+            } else {
+                url = "(internal script)";
+                lineNumber = "(line number)";
+            }
+            var s = "    " + i + ") " + frame.functionName + " (" + url + (options.dropLineNumbers ? "" : ":" + lineNumber) + ")";
+            InspectorTest.addResult(indent + s);
+            if (options.printReturnValue && frame.returnValue)
+                InspectorTest.addResult(indent + "       <return>: " + frame.returnValue.description);
         }
-        var s = "    " + i + ") " + frame.functionName + " (" + url + (dropLineNumbers ? "" : ":" + lineNumber) + ")";
-        InspectorTest.addResult(s);
-        if (printReturnValue && frame.returnValue)
-            InspectorTest.addResult("       <return>: " + frame.returnValue.description);
     }
-};
 
-InspectorTest.captureStackTraceExtended = function(callFrames, dropLineNumbers)
-{
-    InspectorTest.captureStackTrace(callFrames, dropLineNumbers, true);
+    InspectorTest.addResult("Call stack:");
+    printCallFrames(callFrames);
+
+    if (options.printAsyncCallStack) {
+        var lastCallframe = callFrames[callFrames.length - 1];
+        while (lastCallframe && lastCallframe.asyncCallFrames) {
+            InspectorTest.addResult("    [Async Call]");
+            callFrames = lastCallframe.asyncCallFrames;
+            printCallFrames(callFrames, "    ");
+            if (callFrames[0].functionName === "testFunction")
+                break;
+            lastCallframe = callFrames[callFrames.length - 1];
+        }
+    }
 };
 
 InspectorTest.dumpSourceFrameContents = function(sourceFrame)