PPAPI: Whitelist PPB_CameraDevice_Private for some apps

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") {
   sources = [
     "enter.cc",
     "enter.h",
     "ppb_audio_api.h",
     "ppb_audio_buffer_api.h",
     "ppb_audio_buffer_thunk.cc",
     "ppb_audio_config_api.h",
     "ppb_audio_config_thunk.cc",
     "ppb_audio_input_api.h",
     "ppb_audio_thunk.cc",
     "ppb_broker_api.h",
     "ppb_browser_font_trusted_api.h",
     "ppb_buffer_api.h",
+    "ppb_camera_capabilities_api.h",
+    "ppb_camera_capabilities_private_thunk.cc",
+    "ppb_camera_device_api.h",
+    "ppb_camera_device_private_thunk.cc",
     "ppb_compositor_api.h",
     "ppb_compositor_layer_api.h",
     "ppb_compositor_layer_thunk.cc",
     "ppb_compositor_thunk.cc",
     "ppb_console_thunk.cc",
     "ppb_cursor_control_thunk.cc",
     "ppb_device_ref_api.h",
     "ppb_device_ref_dev_thunk.cc",
     "ppb_ext_crx_file_system_private_thunk.cc",
     "ppb_file_chooser_api.h",
@@ skipping 111 matching lines @@
     "ppb_zoom_dev_thunk.cc",
     "thunk.h",
   ]
 
   if (!is_nacl) {
     sources += [
       "ppb_audio_input_dev_thunk.cc",
       "ppb_broker_thunk.cc",
       "ppb_browser_font_trusted_thunk.cc",
       "ppb_buffer_thunk.cc",
-      "ppb_camera_capabilities_api.h",
-      "ppb_camera_capabilities_private_thunk.cc",
-      "ppb_camera_device_api.h",
-      "ppb_camera_device_private_thunk.cc",
       "ppb_char_set_thunk.cc",
       "ppb_content_decryptor_private_thunk.cc",
       "ppb_flash_clipboard_thunk.cc",
       "ppb_flash_device_id_thunk.cc",
       "ppb_flash_drm_thunk.cc",
       "ppb_flash_file_fileref_thunk.cc",
       "ppb_flash_file_modulelocal_thunk.cc",
       "ppb_flash_font_file_thunk.cc",
       "ppb_flash_fullscreen_thunk.cc",
       "ppb_flash_menu_thunk.cc",
@@ skipping 21 matching lines @@
       "ppb_host_resolver_private_thunk.cc",
       "ppb_tcp_server_socket_private_thunk.cc",
       "ppb_tcp_socket_private_thunk.cc",
       "ppb_udp_socket_private_thunk.cc",
       "ppb_x509_certificate_private_thunk.cc",
     ]
   }
 
   defines = [ "PPAPI_THUNK_IMPLEMENTATION" ]
 }