Change over IgnoreReturn to IgnoreResult. remove IgnoreReturn.

chrome/browser/rlz/rlz.cc

 // Copyright (c) 2011 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.
 //
 // This code glues the RLZ library DLL with Chrome. It allows Chrome to work
 // with or without the DLL being present. If the DLL is not present the
 // functions do nothing and just return false.
 
 #include "chrome/browser/rlz/rlz.h"
 
@@ skipping 381 matching lines @@
   return true;
 }
 
 bool RLZTracker::ScheduleGetAccessPointRlz(rlz_lib::AccessPoint point) {
   if (!BrowserThread::CurrentlyOn(BrowserThread::UI))
     return false;
 
   string16* not_used = NULL;
   BrowserThread::PostTask(
       BrowserThread::FILE, FROM_HERE,
-      base::IgnoreReturn<bool>(
-          base::Bind(&RLZTracker::GetAccessPointRlz, point, not_used)));
+      base::Bind(base::IgnoreResult(&RLZTracker::GetAccessPointRlz), point,
+                 not_used));
   return true;
 }
 
 // static
 void RLZTracker::CleanupRlz() {
   GetInstance()->rlz_cache_.clear();
   GetInstance()->registrar_.RemoveAll();
 }