Remove old Sleep and PostDelayedTask interfaces that use int ms instead of TimeDelta.

base/threading/platform_thread.h

 // Copyright (c) 2012 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.
 
 // WARNING: You should *NOT* be using this class directly.  PlatformThread is
 // the low-level platform-specific abstraction to the OS's threading interface.
 // You should instead be using a message-loop driven Thread, see thread.h.
 
 #ifndef BASE_THREADING_PLATFORM_THREAD_H_
 #define BASE_THREADING_PLATFORM_THREAD_H_
@@ skipping 46 matching lines @@
     virtual ~Delegate() {}
     virtual void ThreadMain() = 0;
   };
 
   // Gets the current thread id, which may be useful for logging purposes.
   static PlatformThreadId CurrentId();
 
   // Yield the current thread so another thread can be scheduled.
   static void YieldCurrentThread();
 
-  // Sleeps for the specified duration (units are milliseconds).
-  static void Sleep(int duration_ms);
-
   // Sleeps for the specified duration.
   static void Sleep(base::TimeDelta duration);
 
   // Sets the thread name visible to debuggers/tools. This has no effect
   // otherwise. This name pointer is not copied internally. Thus, it must stay
   // valid until the thread ends.
   static void SetName(const char* name);
 
   // Gets the thread name, if previously set by SetName.
   static const char* GetName();
@@ skipping 22 matching lines @@
   static void SetThreadPriority(PlatformThreadHandle handle,
                                 ThreadPriority priority);
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(PlatformThread);
 };
 
 }  // namespace base
 
 #endif  // BASE_THREADING_PLATFORM_THREAD_H_