Change code in base (primarily unit tests) to use Sleep(TimeDelta).

base/synchronization/condition_variable_unittest.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.
 
 // Multi-threaded tests of ConditionVariable class.
 
 #include <time.h>
 #include <algorithm>
 #include <vector>
 
@@ skipping 643 matching lines @@
   shutdown_ = true;
 }
 
 void WorkQueue::SpinUntilAllThreadsAreWaiting() {
   while (true) {
     {
       base::AutoLock auto_lock(lock_);
       if (waiting_thread_count_ == thread_count_)
         break;
     }
-    PlatformThread::Sleep(30);
+    PlatformThread::Sleep(TimeDelta::FromMilliseconds(30));
   }
 }
 
 void WorkQueue::SpinUntilTaskCountLessThan(int task_count) {
   while (true) {
     {
       base::AutoLock auto_lock(lock_);
       if (task_count_ < task_count)
         break;
     }
-    PlatformThread::Sleep(30);
+    PlatformThread::Sleep(TimeDelta::FromMilliseconds(30));
   }
 }
 
 
 //------------------------------------------------------------------------------
 // Define the standard worker task. Several tests will spin out many of these
 // threads.
 //------------------------------------------------------------------------------
 
 // The multithread tests involve several threads with a task to perform as
@@ skipping 55 matching lines @@
       base::AutoLock auto_lock(lock_);
       // Send notification that we completed our "work."
       WorkIsCompleted(thread_id);
     }
   }
 }
 
 }  // namespace
 
 }  // namespace base