1 files changed, 0 insertions, 52 deletions
diff --git a/toolkit/components/aboutperformance/tests/browser/head.js b/toolkit/components/aboutperformance/tests/browser/head.js
deleted file mode 100644
index a15536ffd..000000000
--- a/toolkit/components/aboutperformance/tests/browser/head.js
+++ /dev/null
@@ -1,52 +0,0 @@
-/* Any copyright is dedicated to the Public Domain.
- * http://creativecommons.org/publicdomain/zero/1.0/ */
-
-var { utils: Cu, interfaces: Ci, classes: Cc } = Components;
-
-Cu.import("resource://gre/modules/Services.jsm", this);
-
-function promiseContentResponse(browser, name, message) {
-  let mm = browser.messageManager;
-  let promise = new Promise(resolve => {
-    function removeListener() {
-      mm.removeMessageListener(name, listener);
-    }
-
-    function listener(msg) {
-      removeListener();
-      resolve(msg.data);
-    }
-
-    mm.addMessageListener(name, listener);
-    registerCleanupFunction(removeListener);
-  });
-  mm.sendAsyncMessage(name, message);
-  return promise;
-}
-function promiseContentResponseOrNull(browser, name, message) {
-  if (!browser.messageManager) {
-    return null;
-  }
-  return promiseContentResponse(browser, name, message);
-}
-
-/**
- * `true` if we are running an OS in which the OS performance
- * clock has a low precision and might unpredictably
- * never be updated during the execution of the test.
- */
-function hasLowPrecision() {
-  let [sysName, sysVersion] = [Services.sysinfo.getPropertyAsAString("name"), Services.sysinfo.getPropertyAsDouble("version")];
-  info(`Running ${sysName} version ${sysVersion}`);
-
-  if (sysName == "Windows_NT" && sysVersion < 6) {
-    info("Running old Windows, need to deactivate tests due to bad precision.");
-    return true;
-  }
-  if (sysName == "Linux" && sysVersion <= 2.6) {
-    info("Running old Linux, need to deactivate tests due to bad precision.");
-    return true;
-  }
-  info("This platform has good precision.")
-  return false;
-}