diff -r 000000000000 -r 6474c204b198 browser/devtools/profiler/test/browser_profiler_bug_855244_multiple_tabs.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/devtools/profiler/test/browser_profiler_bug_855244_multiple_tabs.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,103 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+const URL = "data:text/html;charset=utf8,<p>JavaScript Profiler test</p>";
+
+let gTab1, gPanel1;
+let gTab2, gPanel2;
+
+// Tests that you can run the profiler in multiple tabs at the same
+// time and that closing the debugger panel in one tab doesn't lock
+// profilers in other tabs.
+
+registerCleanupFunction(function () {
+  gTab1 = gTab2 = gPanel1 = gPanel2 = null;
+});
+
+function test() {
+  waitForExplicitFinish();
+
+  openTwoTabs()
+    .then(startTwoProfiles)
+    .then(stopFirstProfile)
+    .then(stopSecondProfile)
+    .then(closeTabs)
+    .then(openTwoTabs)
+    .then(startTwoProfiles)
+    .then(closeFirstPanel)
+    .then(stopSecondProfile)
+    .then(closeTabs)
+    .then(finish);
+}
+
+function openTwoTabs() {
+  let deferred = promise.defer();
+
+  setUp(URL, (tab, browser, panel) => {
+    gTab1 = tab;
+    gPanel1 = panel;
+
+    loadTab(URL, (tab, browser) => {
+      gTab2 = tab;
+      openProfiler(tab, () => {
+        let target = TargetFactory.forTab(tab);
+        gPanel2 = gDevTools.getToolbox(target).getPanel("jsprofiler");
+        deferred.resolve();
+      });
+    });
+  });
+
+  return deferred.promise;
+}
+
+function startTwoProfiles() {
+  let deferred = promise.defer();
+  gPanel1.controller.start("Profile 1", (err) => {
+    ok(!err, "Profile in tab 1 started without errors");
+    gPanel2.controller.start("Profile 1", (err) => {
+      ok(!err, "Profile in tab 2 started without errors");
+      gPanel1.controller.isActive((err, isActive) => {
+        ok(isActive, "Profiler is active");
+        deferred.resolve();
+      });
+    });
+  });
+
+  return deferred.promise;
+}
+
+function stopFirstProfile() {
+  let deferred = promise.defer();
+
+  gPanel1.controller.stop("Profile 1", (err, data) => {
+    ok(!err, "Profile in tab 1 stopped without errors");
+    ok(data, "Profile in tab 1 returned some data");
+    deferred.resolve();
+  });
+
+  return deferred.promise;
+}
+
+function stopSecondProfile() {
+  let deferred = promise.defer();
+
+  gPanel2.controller.stop("Profile 1", (err, data) => {
+    ok(!err, "Profile in tab 2 stopped without errors");
+    ok(data, "Profile in tab 2 returned some data");
+    deferred.resolve();
+  });
+
+  return deferred.promise;
+}
+
+function closeTabs() {
+  while (gBrowser.tabs.length > 1) {
+    gBrowser.removeCurrentTab();
+  }
+}
+
+function closeFirstPanel() {
+  let target = TargetFactory.forTab(gTab1);
+  let toolbox = gDevTools.getToolbox(target);
+  return toolbox.destroy;
+}