Changes to allow testing interface for new NaCl Proxy

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.
 
 {
   'target_defaults': {
     'variables': {
       'ppapi_proxy_target': 0,
     },
     'target_conditions': [
@@ skipping 159 matching lines @@
               'proxy/flash_device_id_resource.cc',
               'proxy/ppb_audio_input_proxy.cc',
               'proxy/ppb_broker_proxy.cc',
               'proxy/ppb_buffer_proxy.cc',
               'proxy/ppb_file_chooser_proxy.cc',
               'proxy/ppb_flash_proxy.cc',
               'proxy/ppb_flash_menu_proxy.cc',
               'proxy/ppb_flash_message_loop_proxy.cc',
               'proxy/ppb_pdf_proxy.cc',
               'proxy/ppb_talk_private_proxy.cc',
-              'proxy/ppb_testing_proxy.cc',
               'proxy/ppb_video_capture_proxy.cc',
               'proxy/ppb_video_decoder_proxy.cc',
               'proxy/ppp_content_decryptor_private_proxy.cc',
               'proxy/ppp_instance_private_proxy.cc',
               'proxy/ppp_video_decoder_proxy.cc',
             ],
           }],
         ],
       }],
     ],
   },
 }