Convert use of int ms to TimeDelta in files owned by brettw.

chrome/renderer/about_handler.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/renderer/about_handler.h"
 
 #include "base/logging.h"
 #include "base/process_util.h"
 #include "base/threading/platform_thread.h"
 #include "chrome/common/about_handler.h"
@@ skipping 43 matching lines @@
 }
 
 // static
 void AboutHandler::AboutKill() {
   base::KillProcess(base::GetCurrentProcessHandle(), 1, false);
 }
 
 // static
 void AboutHandler::AboutHang() {
   for (;;) {
-    base::PlatformThread::Sleep(1000);
+    base::PlatformThread::Sleep(base::TimeDelta::FromSeconds(1));
   }
 }
 
 // static
 void AboutHandler::AboutShortHang() {
-  base::PlatformThread::Sleep(20000);
+  base::PlatformThread::Sleep(base::TimeDelta::FromSeconds(20));
 }
 
 // static
 size_t AboutHandler::AboutURLHandlerSize() {
   return arraysize(about_urls_handlers);
 }