DevTools: Refactor Profiler domain interface

third_party/WebKit/LayoutTests/inspector/profiler/cpu-profiler-native-nodes-filter.html

Index: third_party/WebKit/LayoutTests/inspector/profiler/cpu-profiler-native-nodes-filter.html
diff --git a/third_party/WebKit/LayoutTests/inspector/profiler/cpu-profiler-native-nodes-filter.html b/third_party/WebKit/LayoutTests/inspector/profiler/cpu-profiler-native-nodes-filter.html
index 4d205351a20699e40d5caf76fde8dc4a2a8db936..f715e10c0dc142f62249e357056f55a32646126b 100644
--- a/third_party/WebKit/LayoutTests/inspector/profiler/cpu-profiler-native-nodes-filter.html
+++ b/third_party/WebKit/LayoutTests/inspector/profiler/cpu-profiler-native-nodes-filter.html
@@ -128,6 +128,7 @@ function test()
         "endTime":   100000 + 111.110 + 22.220 + 1.000,
         "samples": [ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 ]
     };
+    profile.nodes = flattenNodes(profile.head);
     var model = new WebInspector.CPUProfileDataModel(profile);
     printTree("", model.profileHead);
     function printTree(padding, node)
@@ -137,6 +138,13 @@ function test()
     }
     InspectorTest.addResult(model.samples.join(", "));
     InspectorTest.completeTest();
+    function flattenNodes(node)
+    {
+        var childrenIds = node.children.map(n => n.id);
+        var result = node.children.reduce((res, n) => res.concat(flattenNodes(n)), [node]);
+        node.children = childrenIds;
+        return result;
+    }
 }
 
 </script>