From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <mattatobin@localhost.localdomain>
Date: Fri, 2 Feb 2018 04:16:08 -0500
Subject: Add m-esr52 at 52.6.0

---
 devtools/client/performance/test/unit/head.js | 46 +++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 devtools/client/performance/test/unit/head.js

(limited to 'devtools/client/performance/test/unit/head.js')

diff --git a/devtools/client/performance/test/unit/head.js b/devtools/client/performance/test/unit/head.js
new file mode 100644
index 000000000..84128a7e8
--- /dev/null
+++ b/devtools/client/performance/test/unit/head.js
@@ -0,0 +1,46 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+/* exported Cc, Ci, Cu, Cr, Services, console, PLATFORM_DATA_PREF, getFrameNodePath,
+   synthesizeProfileForTest */
+var { classes: Cc, interfaces: Ci, utils: Cu, results: Cr } = Components;
+
+var { require } = Cu.import("resource://devtools/shared/Loader.jsm", {});
+var Services = require("Services");
+var { console } = require("resource://gre/modules/Console.jsm");
+const RecordingUtils = require("devtools/shared/performance/recording-utils");
+const PLATFORM_DATA_PREF = "devtools.performance.ui.show-platform-data";
+
+/**
+ * Get a path in a FrameNode call tree.
+ */
+function getFrameNodePath(root, path) {
+  let calls = root.calls;
+  let foundNode;
+  for (let key of path.split(" > ")) {
+    foundNode = calls.find((node) => node.key == key);
+    if (!foundNode) {
+      break;
+    }
+    calls = foundNode.calls;
+  }
+  return foundNode;
+}
+
+/**
+ * Synthesize a profile for testing.
+ */
+function synthesizeProfileForTest(samples) {
+  samples.unshift({
+    time: 0,
+    frames: [
+      { location: "(root)" }
+    ]
+  });
+
+  let uniqueStacks = new RecordingUtils.UniqueStacks();
+  return RecordingUtils.deflateThread({
+    samples: samples,
+    markers: []
+  }, uniqueStacks);
+}
-- 
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