sketch up the 'is_this_your_computer' .ejs template

resources/static/dialog/views/is_this_your_computer.ejs

+<% /* 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/. */ %>
+
+    <h2><%= gettext('If you don't mind me asking, is this your computer?') %></h2>
+
+    <p>
+      <button class="this_is_my_computer" tabindex="3"><%= gettext('yes') %></button>
+      <%= gettext('If so, we'll keep you logged in for a couple weeks') %>
+    </p>
+
+    <p>
+      <button class="this_is_not_my_computer" tabindex="3"><%= gettext('no') %></button>
+      <%= gettext('If you're at a public computer such as a library or internet cafe, we'll ask you ' +
+                  'for your password again in five minutes.') %>
+    </p>