Migrate Bind to BindOnce or BindRepeating in //base/message_loop

base/message_loop/message_loop.h

 // Copyright 2013 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 BASE_MESSAGE_LOOP_MESSAGE_LOOP_H_
 #define BASE_MESSAGE_LOOP_MESSAGE_LOOP_H_
 
 #include <memory>
 #include <queue>
 #include <string>
@@ skipping 316 matching lines @@
   void DisallowNesting() { allow_nesting_ = false; }
 
   // Disallow task observers. After this is called, calling
   // Add/RemoveTaskObserver() on this MessageLoop will crash.
   void DisallowTaskObservers() { allow_task_observers_ = false; }
 
   //----------------------------------------------------------------------------
  protected:
   std::unique_ptr<MessagePump> pump_;
 
-  using MessagePumpFactoryCallback = Callback<std::unique_ptr<MessagePump>()>;
+  using MessagePumpFactoryCallback =
+      OnceCallback<std::unique_ptr<MessagePump>()>;
 
   // Common protected constructor. Other constructors delegate the
   // initialization to this constructor.
   // A subclass can invoke this constructor to create a message_loop of a
   // specific type with a custom loop. The implementation does not call
   // BindToCurrentThread. If this constructor is invoked directly by a subclass,
   // then the subclass must subsequently bind the message loop.
   MessageLoop(Type type, MessagePumpFactoryCallback pump_factory);
 
   // Configure various members and bind this message loop to the current thread.
@@ skipping 272 matching lines @@
 
 // Do not add any member variables to MessageLoopForIO!  This is important b/c
 // MessageLoopForIO is often allocated via MessageLoop(TYPE_IO).  Any extra
 // data that you need should be stored on the MessageLoop's pump_ instance.
 static_assert(sizeof(MessageLoop) == sizeof(MessageLoopForIO),
               "MessageLoopForIO should not have extra member variables");
 
 }  // namespace base
 
 #endif  // BASE_MESSAGE_LOOP_MESSAGE_LOOP_H_