DevTools: Refactor Profiler domain interface

third_party/WebKit/LayoutTests/inspector-protocol/cpu-profiler/console-profile.html

Index: third_party/WebKit/LayoutTests/inspector-protocol/cpu-profiler/console-profile.html
diff --git a/third_party/WebKit/LayoutTests/inspector-protocol/cpu-profiler/console-profile.html b/third_party/WebKit/LayoutTests/inspector-protocol/cpu-profiler/console-profile.html
index 2df66b4aa33fdef4f08a0b106bff6dae67509b70..c66013ee8d0f4ecc9e03e1d6ce557d1859f32c39 100644
--- a/third_party/WebKit/LayoutTests/inspector-protocol/cpu-profiler/console-profile.html
+++ b/third_party/WebKit/LayoutTests/inspector-protocol/cpu-profiler/console-profile.html
@@ -46,22 +46,15 @@ function test()
     function checkInnerProfile(profile)
     {
         InspectorTest.log("SUCCESS: retrieved '42' profile");
-        var root = profile.head;
-        if (!findFunctionInProfile(root, "collectProfiles"))
+        if (!findFunctionInProfile(profile.nodes, "collectProfiles"))
             return InspectorTest.fail("collectProfiles function not found in the profile: " + JSON.stringify(profile, null, 4));
         InspectorTest.log("SUCCESS: found 'collectProfiles' function in the profile");
         InspectorTest.completeTest();
     }
 
-    function findFunctionInProfile(node, functionName)
+    function findFunctionInProfile(nodes, functionName)
     {
-        if (node.callFrame.functionName === functionName)
-            return true;
-        var children = node.children;
-        for (var i = 0; i < children.length; ++i)
-            if (findFunctionInProfile(children[i], functionName))
-                return true;
-        return false;
+        return nodes.some(n => n.callFrame.functionName === functionName);
     }
 }
 </script>