Add PPB_ImageData and PPB_Graphics2D to the untrusted NaCl build of the 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 160 matching lines @@
               'proxy/broker_dispatcher.cc',
               'proxy/ppapi_command_buffer_proxy.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_device_id_proxy.cc',
               'proxy/ppb_flash_proxy.cc',
               'proxy/ppb_flash_menu_proxy.cc',
               'proxy/ppb_flash_message_loop_proxy.cc',
-              'proxy/ppb_graphics_2d_proxy.cc',
               'proxy/ppb_graphics_3d_proxy.cc',
               'proxy/ppb_host_resolver_private_proxy.cc',
               'proxy/ppb_network_monitor_private_proxy.cc',
               'proxy/ppb_pdf_proxy.cc',
               'proxy/ppb_talk_private_proxy.cc',
               'proxy/ppb_tcp_server_socket_private_proxy.cc',
               'proxy/ppb_tcp_socket_private_proxy.cc',
               'proxy/ppb_testing_proxy.cc',
               'proxy/ppb_udp_socket_private_proxy.cc',
               'proxy/ppb_video_capture_proxy.cc',
               'proxy/ppb_video_decoder_proxy.cc',
               'proxy/ppb_x509_certificate_private_proxy.cc',
               'proxy/ppp_graphics_3d_proxy.cc',
               'proxy/ppp_instance_private_proxy.cc',
               'proxy/ppp_video_decoder_proxy.cc',
               'proxy/serialized_flash_menu.cc',
             ],
           }],
         ],
       }],
     ],
   },
 }