Dynamically generate a heading for Extension Docs API pages

chrome/common/extensions/api/tab_capture.idl

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // An API for tab media streams.
-
 namespace tabCapture {
 
   enum TabCaptureState {
     pending,
     active,
     stopped,
     error
   };
 
   dictionary CaptureInfo {
@@ skipping 48 matching lines @@
   };
 
   interface Events {
     // Event fired when the capture status of a tab changes.
     // This allows extension authors to keep track of the capture status of
     // tabs to keep UI elements like page actions and infobars in sync.
     static void onStatusChanged(CaptureInfo info);
   };
 
 };