Revert 117824 - Convert use of int ms to TimeDelta in files owned by brettw.

chrome/common/worker_thread_ticker_unittest.cc

Index: chrome/common/worker_thread_ticker_unittest.cc
===================================================================
--- chrome/common/worker_thread_ticker_unittest.cc	(revision 117824)
+++ chrome/common/worker_thread_ticker_unittest.cc	(working copy)
@@ -1,4 +1,4 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Copyright (c) 2009 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.
 
@@ -32,15 +32,13 @@
 class LongCallback : public WorkerThreadTicker::Callback {
  public:
   virtual void OnTick() {
-    base::PlatformThread::Sleep(base::TimeDelta::FromMilliseconds(1500));
+    base::PlatformThread::Sleep(1500);
   }
 };
 
 void RunMessageLoopForAWhile() {
-  MessageLoop::current()->PostDelayedTask(
-      FROM_HERE,
-      MessageLoop::QuitClosure(),
-      base::TimeDelta::FromMilliseconds(500));
+  MessageLoop::current()->PostDelayedTask(FROM_HERE,
+                                          MessageLoop::QuitClosure(), 500);
   MessageLoop::current()->Run();
 }