Refactor MessagePumpX to dispatch events inside of the source Dispatch function.

base/base.gypi

 # 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.
 
 {
   'target_defaults': {
     'variables': {
       'base_target': 0,
     },
     'target_conditions': [
@@ skipping 721 matching lines @@
         'message_pump_glib.h',
         'message_pump_gtk.cc',
         'message_pump_gtk.h',
         'message_pump_observer.h',
         'message_pump_x.cc',
         'message_pump_x.h',
         'message_pump_libevent.cc',
         'message_pump_libevent.h',
         'message_pump_mac.h',
         'message_pump_mac.mm',
-        'message_pump_wayland.cc',
         'message_pump_wayland.h',
         'metrics/field_trial.cc',
         'metrics/field_trial.h',
         'string16.cc',
         'string16.h',
         'sync_socket.h',
         'sync_socket_win.cc',
         'sync_socket_posix.cc',
         'time_mac.cc',
         'time_posix.cc',
@@ skipping 127 matching lines @@
             'third_party/xdg_mime/xdgmimemagic.c',
             'third_party/xdg_mime/xdgmimemagic.h',
             'third_party/xdg_mime/xdgmimeparent.c',
             'third_party/xdg_mime/xdgmimeparent.h',
           ],
         },
       ],
     }],
   ],
 }