Proxy the PPP_Printing interface

ppapi/ppapi_proxy.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.
 
 {
   'targets': [
     {
       'target_name': 'ppapi_proxy',
       'type': '<(component)',
       'dependencies': [
@@ skipping 117 matching lines @@
         'proxy/ppp_input_event_proxy.cc',
         'proxy/ppp_input_event_proxy.h',
         'proxy/ppp_instance_private_proxy.cc',
         'proxy/ppp_instance_private_proxy.h',
         'proxy/ppp_instance_proxy.cc',
         'proxy/ppp_instance_proxy.h',
         'proxy/ppp_messaging_proxy.cc',
         'proxy/ppp_messaging_proxy.h',
         'proxy/ppp_mouse_lock_proxy.cc',
         'proxy/ppp_mouse_lock_proxy.h',
+        'proxy/ppp_printing_proxy.cc',
+        'proxy/ppp_printing_proxy.h',
         'proxy/ppp_video_decoder_proxy.cc',
         'proxy/ppp_video_decoder_proxy.h',
         'proxy/proxy_channel.cc',
         'proxy/proxy_channel.h',
         'proxy/proxy_module.cc',
         'proxy/proxy_module.h',
         'proxy/proxy_object_var.cc',
         'proxy/proxy_object_var.h',
         'proxy/resource_creation_proxy.cc',
         'proxy/resource_creation_proxy.h',
         'proxy/serialized_flash_menu.cc',
         'proxy/serialized_flash_menu.h',
         'proxy/serialized_structs.cc',
         'proxy/serialized_structs.h',
         'proxy/serialized_var.cc',
         'proxy/serialized_var.h',
         'proxy/var_serialization_rules.h',
       ],
       'defines': [
         'PPAPI_PROXY_IMPLEMENTATION',
       ],
     },
   ],
 }