Remove GTalk Pepper interfaces and related code.

ppapi/thunk/BUILD.gn

 # Copyright 2015 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.
 
 source_set("thunk") {
   # In GYP this is the same target as shared_impl. In GN these are split apart
   # for clarity but to get component builds correct, targets must only depend
   # on these via the shared_impl component.
   # TODO(brettw) separate these when GYP compat is no longer required.
   visibility = [ "//ppapi/shared_impl" ]
@@ skipping 80 matching lines @@
     "ppb_network_monitor_thunk.cc",
     "ppb_network_proxy_api.h",
     "ppb_network_proxy_thunk.cc",
     "ppb_output_protection_api.h",
     "ppb_output_protection_private_thunk.cc",
     "ppb_pdf_api.h",
     "ppb_platform_verification_api.h",
     "ppb_printing_api.h",
     "ppb_printing_dev_thunk.cc",
     "ppb_scrollbar_api.h",
-    "ppb_talk_private_api.h",
     "ppb_tcp_server_socket_private_api.h",
     "ppb_tcp_server_socket_private_thunk.cc",
     "ppb_tcp_socket_api.h",
     "ppb_tcp_socket_private_api.h",
     "ppb_tcp_socket_private_thunk.cc",
     "ppb_tcp_socket_thunk.cc",
     "ppb_text_input_thunk.cc",
     "ppb_truetype_font_api.h",
     "ppb_truetype_font_dev_thunk.cc",
     "ppb_truetype_font_singleton_api.h",
@@ skipping 52 matching lines @@
       "ppb_flash_file_modulelocal_thunk.cc",
       "ppb_flash_font_file_thunk.cc",
       "ppb_flash_fullscreen_thunk.cc",
       "ppb_flash_menu_thunk.cc",
       "ppb_flash_message_loop_thunk.cc",
       "ppb_flash_thunk.cc",
       "ppb_gles_chromium_texture_mapping_thunk.cc",
       "ppb_pdf_thunk.cc",
       "ppb_platform_verification_private_thunk.cc",
       "ppb_scrollbar_thunk.cc",
-      "ppb_talk_private_thunk.cc",
       "ppb_url_util_thunk.cc",
       "ppb_video_capture_thunk.cc",
       "ppb_video_decoder_dev_thunk.cc",
     ]
   }
 
   # We exclude a few more things for nacl_win64, to avoid pulling in more
   # dependencies.
   # TODO(GYP) this isn't correct. This should only be specifically for the
   # nacl_win64 build (cross-compiled for a 32-bit Chrome), rather than all
@@ skipping 11 matching lines @@
   }
 
   defines = [
     # This target goes in the same library as shared_impl (in GYP they are the
     # same).
     "PPAPI_SHARED_IMPLEMENTATION",
 
     "PPAPI_THUNK_IMPLEMENTATION",
   ]
 }