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

chrome/common/worker_thread_ticker_unittest.cc

-// 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.
 
 #include "chrome/common/worker_thread_ticker.h"
 
 #include "base/message_loop.h"
 #include "base/threading/platform_thread.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace {
@@ skipping 13 matching lines @@
   int counter() const { return counter_; }
 
  private:
   int counter_;
   MessageLoop* message_loop_;
 };
 
 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();
 }
 
 }  // namespace
 
 TEST(WorkerThreadTickerTest, Basic) {
   MessageLoop loop;
 
   TestCallback callback;
   WorkerThreadTicker ticker(50);
@@ skipping 47 matching lines @@
 TEST(WorkerThreadTickerTest, LongCallback) {
   MessageLoop loop;
 
   LongCallback callback;
   WorkerThreadTicker ticker(50);
   ASSERT_TRUE(ticker.RegisterTickHandler(&callback));
 
   ASSERT_TRUE(ticker.Start());
   RunMessageLoopForAWhile();
 }