Revert r151669 and r155589 as non-Aura Metro mode is gone

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 <queue>
 #include <string>
 
@@ skipping 532 matching lines @@
 
 //-----------------------------------------------------------------------------
 // MessageLoopForUI extends MessageLoop with methods that are particular to a
 // MessageLoop instantiated with TYPE_UI.
 //
 // This class is typically used like so:
 //   MessageLoopForUI::current()->...call some method...
 //
 class BASE_EXPORT MessageLoopForUI : public MessageLoop {
  public:
-#if defined(OS_WIN)
-  typedef MessagePumpForUI::MessageFilter MessageFilter;
-#endif
-
   MessageLoopForUI() : MessageLoop(TYPE_UI) {
   }
 
   // Returns the MessageLoopForUI of the current thread.
   static MessageLoopForUI* current() {
     MessageLoop* loop = MessageLoop::current();
     DCHECK(loop);
     DCHECK_EQ(MessageLoop::TYPE_UI, loop->type());
     return static_cast<MessageLoopForUI*>(loop);
   }
@@ skipping 18 matching lines @@
 #endif
 
 #if !defined(OS_NACL) && (defined(TOOLKIT_GTK) || defined(USE_OZONE) || \
                           defined(OS_WIN) || defined(USE_X11))
   // Please see message_pump_win/message_pump_glib for definitions of these
   // methods.
   void AddObserver(Observer* observer);
   void RemoveObserver(Observer* observer);
 #endif
 
-#if defined(OS_WIN)
-  // Plese see MessagePumpForUI for definitions of this method.
-  void SetMessageFilter(scoped_ptr<MessageFilter> message_filter) {
-    pump_ui()->SetMessageFilter(message_filter.Pass());
-  }
-#endif
-
  protected:
 #if defined(USE_X11)
   friend class MessagePumpX11;
 #endif
 #if defined(USE_OZONE) && !defined(OS_NACL)
   friend class MessagePumpOzone;
 #endif
 
 #if !defined(OS_MACOSX) && !defined(OS_ANDROID)
   // TODO(rvargas): Make this platform independent.
@@ skipping 112 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.
 COMPILE_ASSERT(sizeof(MessageLoop) == sizeof(MessageLoopForIO),
                MessageLoopForIO_should_not_have_extra_member_variables);
 
 }  // namespace base
 
 #endif  // BASE_MESSAGE_LOOP_MESSAGE_LOOP_H_