Dynamically generate a heading for Extension Docs API pages

chrome/common/extensions/api/system_info_memory.idl

Index: chrome/common/extensions/api/system_info_memory.idl
diff --git a/chrome/common/extensions/api/system_info_memory.idl b/chrome/common/extensions/api/system_info_memory.idl
index 739cdf6f8784cbff0e0246aea5c5f911742f19ce..afd262c3cda7c93dbd53ace1dc9b4bec50cd844e 100644
--- a/chrome/common/extensions/api/system_info_memory.idl
+++ b/chrome/common/extensions/api/system_info_memory.idl
@@ -2,7 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// File-level comment to appease parser. Eventually this will not be necessary.
 namespace systemInfo.memory {
 
   dictionary MemoryInfo {
@@ -13,7 +12,7 @@ namespace systemInfo.memory {
   };
 
   callback MemoryInfoCallback = void (MemoryInfo info);
-  
+
   interface Functions {
     // Get physical memory information.
     static void get(MemoryInfoCallback callback);