Change over IgnoreReturn to IgnoreResult. remove IgnoreReturn.

chrome/browser/platform_util_win.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.
 
 #include "chrome/browser/platform_util.h"
 
 #include <commdlg.h>
 #include <dwmapi.h>
 #include <shellapi.h>
 #include <shlobj.h>
@@ skipping 107 matching lines @@
 namespace platform_util {
 
 void ShowItemInFolder(const FilePath& full_path) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE,
       base::Bind(&ShowItemInFolderOnFileThread, full_path));
 }
 
 void OpenItem(const FilePath& full_path) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-  BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE,
-      base::IgnoreReturn<bool>(base::Bind(&ui::win::OpenItemViaShell,
-                                          full_path)));
+  BrowserThread::PostTask(
+      BrowserThread::FILE, FROM_HERE,
+      base::Bind(base::IgnoreResult(&ui::win::OpenItemViaShell), full_path));
 }
 
 void OpenExternal(const GURL& url) {
   // Quote the input scheme to be sure that the command does not have
   // parameters unexpected by the external program. This url should already
   // have been escaped.
   std::string escaped_url = url.spec();
   escaped_url.insert(0, "\"");
   escaped_url += "\"";
 
@@ skipping 50 matching lines @@
   ::SetForegroundWindow(window);
 }
 
 bool IsVisible(gfx::NativeView view) {
   // MSVC complains if we don't include != 0.
   return ::IsWindowVisible(view) != 0;
 }
 #endif
 
 }  // namespace platform_util