Remove GTalk Pepper interfaces and related code.

ppapi/ppapi_shared.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_shared_target': 0,
     },
     'target_conditions': [
@@ skipping 230 matching lines @@
           'thunk/ppb_output_protection_api.h',
           'thunk/ppb_output_protection_private_thunk.cc',
           'thunk/ppb_pdf_api.h',
           'thunk/ppb_pdf_thunk.cc',
           'thunk/ppb_platform_verification_api.h',
           'thunk/ppb_platform_verification_private_thunk.cc',
           'thunk/ppb_printing_api.h',
           'thunk/ppb_printing_dev_thunk.cc',
           'thunk/ppb_scrollbar_api.h',
           'thunk/ppb_scrollbar_thunk.cc',
-          'thunk/ppb_talk_private_api.h',
-          'thunk/ppb_talk_private_thunk.cc',
           'thunk/ppb_tcp_server_socket_private_api.h',
           'thunk/ppb_tcp_server_socket_private_thunk.cc',
           'thunk/ppb_tcp_socket_api.h',
           'thunk/ppb_tcp_socket_private_api.h',
           'thunk/ppb_tcp_socket_private_thunk.cc',
           'thunk/ppb_tcp_socket_thunk.cc',
           'thunk/ppb_text_input_thunk.cc',
           'thunk/ppb_truetype_font_api.h',
           'thunk/ppb_truetype_font_dev_thunk.cc',
           'thunk/ppb_truetype_font_singleton_api.h',
@@ skipping 69 matching lines @@
               'thunk/ppb_flash_font_file_thunk.cc',
               'thunk/ppb_flash_fullscreen_thunk.cc',
               'thunk/ppb_flash_menu_thunk.cc',
               'thunk/ppb_flash_message_loop_thunk.cc',
               'thunk/ppb_flash_message_loop_thunk.cc',
               'thunk/ppb_flash_thunk.cc',
               'thunk/ppb_gles_chromium_texture_mapping_thunk.cc',
               'thunk/ppb_pdf_thunk.cc',
               'thunk/ppb_platform_verification_private_thunk.cc',
               'thunk/ppb_scrollbar_thunk.cc',
-              'thunk/ppb_talk_private_thunk.cc',
               'thunk/ppb_transport_thunk.cc',
               'thunk/ppb_url_util_thunk.cc',
               'thunk/ppb_video_capture_thunk.cc',
               'thunk/ppb_video_decoder_dev_thunk.cc',
             ],
           }],
           # We exclude a few more things for nacl_win64, to avoid pulling in
           # more dependencies.
           ['>(nacl_win64_target)==1', {
             'sources!': [
               'shared_impl/ppb_audio_shared.cc',
               'shared_impl/ppb_graphics_3d_shared.cc',
               'shared_impl/ppb_opengles2_shared.cc',
               'shared_impl/private/net_address_private_impl.cc',
               'shared_impl/private/ppb_host_resolver_shared.cc',
               'thunk/ppb_graphics_3d_thunk.cc',
               'thunk/ppb_host_resolver_private_thunk.cc',
               'thunk/ppb_tcp_server_socket_private_thunk.cc',
               'thunk/ppb_tcp_socket_private_thunk.cc',
               'thunk/ppb_udp_socket_private_thunk.cc',
               'thunk/ppb_x509_certificate_private_thunk.cc',
             ],
           }],
         ],
       }],
     ],
   },
 }