diff -r 000000000000 -r 6474c204b198 browser/devtools/profiler/profiler.xul
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/devtools/profiler/profiler.xul	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<!-- 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/. -->
+
+<?xml-stylesheet href="chrome://global/skin/global.css"?>
+<?xml-stylesheet href="chrome://browser/skin/devtools/common.css"?>
+<?xml-stylesheet href="chrome://browser/skin/devtools/widgets.css"?>
+<?xml-stylesheet href="chrome://browser/skin/devtools/profiler.css"?>
+<?xml-stylesheet href="chrome://browser/content/devtools/widgets.css"?>
+
+<!DOCTYPE window [
+<!ENTITY % profilerDTD SYSTEM "chrome://browser/locale/devtools/profiler.dtd">
+  %profilerDTD;
+]>
+
+<window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
+
+  <script type="application/javascript;version=1.8"
+          src="chrome://browser/content/devtools/theme-switching.js"/>
+  <script type="text/javascript" src="sidebar.js"/>
+  <box flex="1" id="profiler-chrome"
+    class="devtools-responsive-container theme-body">
+    <vbox class="profiler-sidebar theme-sidebar">
+      <toolbar class="devtools-toolbar">
+        <hbox id="profiler-controls"
+              class="devtools-toolbarbutton-group">
+          <toolbarbutton id="profiler-start"
+            tooltiptext="&startProfiler.tooltip;"
+            class="devtools-toolbarbutton"
+            disabled="true"/>
+          <toolbarbutton id="profiler-import"
+            class="devtools-toolbarbutton"
+            disabled="true"
+            label="&importProfile.label;"/>
+        </hbox>
+      </toolbar>
+
+      <vbox id="profiles-list" flex="1">
+      </vbox>
+    </vbox>
+
+    <splitter class="devtools-side-splitter devtools-invisible-splitter"/>
+
+    <vbox flex="1" id="profiler-report">
+      <!-- Example:
+      <iframe id="profiler-cleo-1"
+        src="devtools/cleopatra.html" flex="1"></iframe>
+      -->
+    </vbox>
+  </box>
+</window>