Set up NaClChromeMainArgs number_of_cores member so apps can size threadpools appropriately

chrome/test/data/nacl/nacl_test_data.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.
 
 {
   'includes': [
     'nacl_browser_test.gypi',
   ],
   'targets': [
     {
@@ skipping 37 matching lines @@
         'build_pnacl_newlib': 1,
         'sources': [
           'exit_status/pm_exit_status_test.cc',
         ],
         'test_files': [
           'exit_status/pm_exit_status_test.html',
         ],
       },
     },
     {
+      'target_name': 'sysconf_nprocessors_onln_test',
+      'type': 'none',
+      'variables': {
+        'nexe_target': 'sysconf_nprocessors_onln_test',
+        'build_newlib': 1,
+        'build_glibc': 1,
+        'build_pnacl_newlib': 1,
+        'sources': [
+          'sysconf_nprocessors_onln/sysconf_nprocessors_onln_test.cc',
+        ],
+        'test_files': [
+          'sysconf_nprocessors_onln/sysconf_nprocessors_onln_test.html',
+        ],
+      },
+    },
+    {
       'target_name': 'ppapi_test_lib',
       'type': 'none',
       'variables': {
         'nlib_target': 'libppapi_test_lib.a',
         'nso_target': 'libppapi_test_lib.so',
         'build_newlib': 1,
         'build_glibc': 1,
         'build_pnacl_newlib': 1,
         'sources': [
           # TODO(ncbray) move these files once SCons no longer depends on them.
@@ skipping 85 matching lines @@
         '<(DEPTH)/native_client/tools.gyp:prep_toolchain',
         '<(DEPTH)/native_client/src/shared/platform/platform.gyp:platform_lib',
         '<(DEPTH)/native_client/src/shared/gio/gio.gyp:gio_lib',
         '<(DEPTH)/ppapi/native_client/native_client.gyp:ppapi_lib',
         '<(DEPTH)/ppapi/ppapi_untrusted.gyp:ppapi_cpp_lib',
         'ppapi_test_lib',
       ],
     },
   ],
 }