Move ChromiumPortAllocatorFactory to remoting/protocol

remoting/remoting_host_srcs.gypi

 # Copyright 2014 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.
 
 {
   'variables': {
     'remoting_host_sources': [
       'host/audio_capturer.cc',
       'host/audio_capturer.h',
       'host/audio_capturer_linux.cc',
@@ skipping 18 matching lines @@
       'host/chromeos/clipboard_aura.cc',
       'host/chromeos/clipboard_aura.h',
       'host/chromeos/message_box.cc',
       'host/chromeos/message_box.h',
       'host/chromeos/mouse_cursor_monitor_aura.cc',
       'host/chromeos/mouse_cursor_monitor_aura.h',
       'host/chromeos/point_transformer.cc',
       'host/chromeos/point_transformer.h',
       'host/chromeos/skia_bitmap_desktop_frame.cc',
       'host/chromeos/skia_bitmap_desktop_frame.h',
-      'host/chromium_port_allocator_factory.cc',
-      'host/chromium_port_allocator_factory.h',
       'host/chromoting_host.cc',
       'host/chromoting_host.h',
       'host/chromoting_host_context.cc',
       'host/chromoting_host_context.h',
       'host/chromoting_messages.cc',
       'host/chromoting_messages.h',
       'host/chromoting_param_traits.cc',
       'host/chromoting_param_traits.h',
       'host/client_session.cc',
       'host/client_session.h',
@@ skipping 284 matching lines @@
       'host/it2me/it2me_confirmation_dialog_chromeos.cc',
       'host/it2me/it2me_confirmation_dialog_proxy.cc',
       'host/it2me/it2me_confirmation_dialog_proxy.h',
       'host/it2me/it2me_host.cc',
       'host/it2me/it2me_host.h',
       'host/it2me/it2me_native_messaging_host.cc',
       'host/it2me/it2me_native_messaging_host.h',
     ],
   }
 }