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

content/public/browser/browser_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.
 
 #ifndef CONTENT_PUBLIC_BROWSER_BROWSER_THREAD_H_
 #define CONTENT_PUBLIC_BROWSER_BROWSER_THREAD_H_
 #pragma once
 
 #include <string>
 
@@ skipping 92 matching lines @@
   // get posted to the MessageLoop if it's still alive, or be deleted otherwise.
   // They return true iff the thread existed and the task was posted.  Note that
   // even if the task is posted, there's no guarantee that it will run, since
   // the target thread may already have a Quit message in its queue.
   static bool PostTask(ID identifier,
                        const tracked_objects::Location& from_here,
                        const base::Closure& task);
   static bool PostDelayedTask(ID identifier,
                               const tracked_objects::Location& from_here,
                               const base::Closure& task,
-                              int64 delay_ms);
-  static bool PostDelayedTask(ID identifier,
-                              const tracked_objects::Location& from_here,
-                              const base::Closure& task,
                               base::TimeDelta delay);
   static bool PostNonNestableTask(ID identifier,
                                   const tracked_objects::Location& from_here,
                                   const base::Closure& task);
   static bool PostNonNestableDelayedTask(
       ID identifier,
       const tracked_objects::Location& from_here,
       const base::Closure& task,
-      int64 delay_ms);
-  static bool PostNonNestableDelayedTask(
-      ID identifier,
-      const tracked_objects::Location& from_here,
-      const base::Closure& task,
       base::TimeDelta delay);
 
   static bool PostTaskAndReply(
       ID identifier,
       const tracked_objects::Location& from_here,
       const base::Closure& task,
       const base::Closure& reply);
 
   template <typename ReturnType>
   static bool PostTaskAndReplyWithResult(
@@ skipping 143 matching lines @@
  private:
   friend class BrowserThreadImpl;
 
   BrowserThread() {}
   DISALLOW_COPY_AND_ASSIGN(BrowserThread);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_BROWSER_THREAD_H_