Enable the PPAPI audio test under NaCl

ppapi/ppapi_sources.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.
 
 {
   'variables': {
     'c_source_files': [
       'c/pp_array_output.h',
       'c/pp_bool.h',
       'c/pp_completion_callback.h',
@@ skipping 294 matching lines @@
     #
     # Common Testing source for trusted and untrusted (NaCl) pugins.
     #
     'test_common_source_files': [
       # Common test files
       'tests/all_c_includes.h',
       'tests/all_cpp_includes.h',
       'tests/arch_dependent_sizes_32.h',
       'tests/arch_dependent_sizes_64.h',
       'tests/pp_thread.h',
+      'tests/test_audio.cc',
+      'tests/test_audio.h',
       'tests/test_audio_config.cc',
       'tests/test_audio_config.h',
       'tests/test_case.cc',
       'tests/test_case.h',
       'tests/test_cursor_control.cc',
       'tests/test_cursor_control.h',
       'tests/test_directory_reader.cc',
       'tests/test_directory_reader.h',
       'tests/test_empty.cc',
       'tests/test_empty.h',
@@ skipping 55 matching lines @@
       # Test cases (PLEASE KEEP THIS SECTION IN ALPHABETICAL ORDER)
       'tests/test_tcp_server_socket_private_disallowed.cc',
       'tests/test_tcp_socket_private_disallowed.cc',
       'tests/test_udp_socket_private_disallowed.cc',
     ],
     #
     # Sources used in trusted tests.
     #
     'test_trusted_source_files': [
       # Test cases (PLEASE KEEP THIS SECTION IN ALPHABETICAL ORDER)
-      'tests/test_audio.cc',
-      'tests/test_audio.h',
       'tests/test_broker.cc',
       'tests/test_broker.h',
       'tests/test_browser_font.cc',
       'tests/test_browser_font.h',
       'tests/test_buffer.cc',
       'tests/test_buffer.h',
       'tests/test_c_includes.c',
       'tests/test_char_set.cc',
       'tests/test_char_set.h',
       'tests/test_core.cc',
@@ skipping 47 matching lines @@
           'c/dev/ppb_transport_dev.h',
         ],
         'cpp_source_files': [
           'cpp/dev/transport_dev.cc',
           'cpp/dev/transport_dev.h',
         ],
       },
     }],
   ],
 }