Merge pull request #555 from zetafunction/restore-toc

[C++ styleguide] Restore table of contents

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 @@ more interesting. Have fun!</p>
 <hr>
 </div>
 </body>
-</html>
+</html>