1 files changed, 23 insertions, 0 deletions
diff --git a/toolkit/components/perfmonitoring/tests/browser/browser_Addons_sample/content/framescript.js b/toolkit/components/perfmonitoring/tests/browser/browser_Addons_sample/content/framescript.js
new file mode 100644
index 000000000..e7ebc2a61
--- /dev/null
+++ b/toolkit/components/perfmonitoring/tests/browser/browser_Addons_sample/content/framescript.js
@@ -0,0 +1,23 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+Components.utils.import("resource://gre/modules/Services.jsm");
+
+function burnCPOW(msg) {
+  dump(`Addon: content burnCPU start ${Math.sin(Math.random())}\n`);
+  let start = content.performance.now();
+  let ignored = [];
+  while (content.performance.now() - start < 5000) {
+    ignored[ignored.length % 2] = ignored.length;
+  }
+  dump(`Addon: content burnCPU done: ${content.performance.now() - start}\n`);
+}
+
+if (Services.appinfo.processType == Services.appinfo.PROCESS_TYPE_CONTENT) {
+  sendAsyncMessage("test-addonwatcher-cpow:init", {}, {burnCPOW});
+}
+
+addMessageListener("test-addonwatcher-burn-some-content-cpu", burnCPOW);