Remove PPB_Transport_Dev API.

ppapi/ppapi_proxy_untrusted.gypi

 # 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.
 
 # This GYP file defines untrusted (NaCl) targets.  All targets in this
 # file should be conditionally depended upon via 'disable_nacl!=1' to avoid
 # requiring NaCl sources for building.
 
 {
   'includes': [
@@ skipping 305 matching lines @@
           'thunk/ppb_instance_thunk.cc',
 #          'thunk/ppb_layer_compositor_thunk.cc',
           'thunk/ppb_messaging_thunk.cc',
           'thunk/ppb_mouse_lock_thunk.cc',
           'thunk/ppb_resource_array_thunk.cc',
 #          'thunk/ppb_scrollbar_thunk.cc',
 #          'thunk/ppb_talk_private_thunk.cc',
 #          'thunk/ppb_tcp_server_socket_private_thunk.cc',
 #          'thunk/ppb_tcp_socket_private_thunk.cc',
           'thunk/ppb_text_input_thunk.cc',
-#          'thunk/ppb_transport_thunk.cc',
 #          'thunk/ppb_udp_socket_private_thunk.cc',
           'thunk/ppb_url_loader_thunk.cc',
           'thunk/ppb_url_request_info_thunk.cc',
           'thunk/ppb_url_response_info_thunk.cc',
 #          'thunk/ppb_url_util_thunk.cc',
 #          'thunk/ppb_video_capture_thunk.cc',
 #          'thunk/ppb_video_decoder_thunk.cc',
 #          'thunk/ppb_video_layer_thunk.cc',
           'thunk/ppb_view_thunk.cc',
 #          'thunk/ppb_websocket_thunk.cc',
@@ skipping 69 matching lines @@
 #          '-lppruntime',
           '-pthread',
           '-lgpu_untrusted',
           '-lipc_untrusted',
           '-lbase_untrusted',
         ],
       },
     },
   ],
 }