Add PPAPI interface for secure sockets in flash

ppapi/ppapi_proxy_untrusted.gyp

 # 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 289 matching lines @@
           'thunk/ppb_file_io_thunk.cc',
           'thunk/ppb_file_io_trusted_thunk.cc',
           'thunk/ppb_file_ref_thunk.cc',
           'thunk/ppb_file_system_thunk.cc',
           'thunk/ppb_find_thunk.cc',
           'thunk/ppb_flash_clipboard_thunk.cc',
           'thunk/ppb_flash_fullscreen_thunk.cc',
           'thunk/ppb_flash_menu_thunk.cc',
           'thunk/ppb_flash_message_loop_thunk.cc',
           'thunk/ppb_flash_net_connector_thunk.cc',
+          'thunk/ppb_flash_x509_certificate_thunk.cc',
           'thunk/ppb_fullscreen_thunk.cc',
           'thunk/ppb_gamepad_thunk.cc',
           'thunk/ppb_gles_chromium_texture_mapping_thunk.cc',
           'thunk/ppb_graphics_2d_thunk.cc',
           'thunk/ppb_graphics_3d_thunk.cc',
           'thunk/ppb_graphics_3d_trusted_thunk.cc',
 #          'thunk/ppb_image_data_thunk.cc',
 #          'thunk/ppb_image_data_trusted_thunk.cc',
           'thunk/ppb_instance_thunk.cc',
           'thunk/ppb_layer_compositor_thunk.cc',
@@ skipping 403 matching lines @@
           '../third_party/source/i18n//wintzimpl.cpp',
           '../third_party/source/i18n//zonemeta.cpp',
           '../third_party/source/i18n//zrule.cpp',
           '../third_party/source/i18n//zstrfmt.cpp',
           '../third_party/source/i18n//ztrans.cpp',
         ],
       },
     },
   ],
 }