[C++ styleguide] Restore table of contents

zetafunction · zetafunction · commit d8467c6dcf6f · 2020-05-27T01:07:22.000Z
This was mistakenly dropped when updating the styleguide from the
internal C++ styleguide.
diff --git a/cppguide.html b/cppguide.html
@@ -10,6 +10,8 @@
 <body onload="initStyleGuide();">
 <div id="content">
 <h1>Google C++ Style Guide</h1>
+<div class="horizontal_toc" id="tocDiv"></div>
+
 <h2 id="Background" class="ignoreLink">Background</h2>
 
 <p>C++ is one of the main development languages  used by
@@ -5892,4 +5894,4 @@ <h2 id="Parting_Words">Parting Words</h2>
 <hr>
 </div>
 </body>
-</html>
+</html>
