Dynamically generate a heading for Extension Docs API pages

chrome/common/extensions/api/system_info_cpu.idl

Index: chrome/common/extensions/api/system_info_cpu.idl
diff --git a/chrome/common/extensions/api/system_info_cpu.idl b/chrome/common/extensions/api/system_info_cpu.idl
index 99cdcada64b45c2be7419599b180b5c3fa99ed4c..e50791c1f66dd6162c328358e76fbb12f310770e 100644
--- a/chrome/common/extensions/api/system_info_cpu.idl
+++ b/chrome/common/extensions/api/system_info_cpu.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.cpu {
 
   dictionary CpuInfo {
@@ -15,7 +14,7 @@ namespace systemInfo.cpu {
   };
 
   dictionary CpuUpdateInfo {
-    // The average usage percent of all processors, as a number 
+    // The average usage percent of all processors, as a number
     // between 0 and 100.
     double averageUsage;
     // The CPU usage array for each logic processor.
@@ -23,7 +22,7 @@ namespace systemInfo.cpu {
   };
 
   callback CpuInfoCallback = void (CpuInfo info);
-  
+
   interface Functions {
     // Queries basic CPU information of the system.
     static void get(CpuInfoCallback callback);