PPB_HostResolver_Private is switched to the new Pepper proxy.

content/content_browser.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.
 
 {
   'dependencies': [
     'browser/speech/proto/speech_proto.gyp:speech_proto',
     '../base/base.gyp:base_static',
     '../crypto/crypto.gyp:crypto',
     '../google_apis/google_apis.gyp:google_apis',
@@ skipping 697 matching lines @@
     'browser/renderer_host/pepper/browser_ppapi_host_impl.cc',
     'browser/renderer_host/pepper/browser_ppapi_host_impl.h',
     'browser/renderer_host/pepper/content_browser_pepper_host_factory.cc',
     'browser/renderer_host/pepper/content_browser_pepper_host_factory.h',
     'browser/renderer_host/pepper/pepper_browser_font_singleton_host.cc',
     'browser/renderer_host/pepper/pepper_browser_font_singleton_host.h',
     'browser/renderer_host/pepper/pepper_flash_file_message_filter.cc',
     'browser/renderer_host/pepper/pepper_flash_file_message_filter.h',
     'browser/renderer_host/pepper/pepper_gamepad_host.cc',
     'browser/renderer_host/pepper/pepper_gamepad_host.h',
+    'browser/renderer_host/pepper/pepper_host_resolver_private_message_filter.cc',
+    'browser/renderer_host/pepper/pepper_host_resolver_private_message_filter.h',
     'browser/renderer_host/pepper/pepper_lookup_request.h',
     'browser/renderer_host/pepper/pepper_message_filter.cc',
     'browser/renderer_host/pepper/pepper_message_filter.h',
     'browser/renderer_host/pepper/pepper_print_settings_manager.cc',
     'browser/renderer_host/pepper/pepper_print_settings_manager.h',
     'browser/renderer_host/pepper/pepper_printing_host.cc',
     'browser/renderer_host/pepper/pepper_printing_host.h',
     'browser/renderer_host/pepper/pepper_socket_utils.cc',
     'browser/renderer_host/pepper/pepper_socket_utils.h',
     'browser/renderer_host/pepper/pepper_tcp_server_socket.cc',
@@ skipping 497 matching lines @@
         ['exclude', '^browser/speech/'],
       ],
     }],
     ['linux_use_libgps==1', {
       'dependencies': [
         '../build/linux/system.gyp:libgps',
       ],
     }],
   ],
 }