Refactor the GYP build for the NaCl smoke test.

chrome/chrome_tests.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' : {
     'pyautolib_sources': [
       'app/chrome_command_ids.h',
       'app/chrome_dll_resource.h',
       'common/automation_constants.h',
       'common/pref_names.cc',
@@ skipping 3092 matching lines @@
           'sources':[
             'browser/extensions/extension_nacl_browsertest.cc',
           ],
           'conditions': [
             ['disable_nacl_untrusted==0', {
               'sources': [
                 'test/nacl/nacl_browsertest.cc',
               ],
               'dependencies': [
                 'test/data/nacl/nacl_test_data.gyp:nacl_tests',
+                '../ppapi/native_client/native_client.gyp:nacl_irt',
                 '../ppapi/ppapi_untrusted.gyp:ppapi_nacl_tests',
               ],
             }],
             ['OS=="win" or OS=="linux"', {
               'sources': [
                 'browser/nacl_host/test/nacl_gdb_browsertest.cc',
               ],
               'dependencies': [
                 'browser/nacl_host/test/mock_nacl_gdb.gyp:mock_nacl_gdb',
               ],
@@ skipping 1572 matching lines @@
                 '--result', '<@(_outputs)',
                 '--isolate', 'browser_tests.isolate',
               ],
             },
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }