Exclude shell_nacl_browser_delegate_unittest.cc on disable_nacl configuration

extensions/shell/app_shell.gyp

 # Copyright 2014 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': {
     'chromium_code': 1,
   },
   'targets': [
     {
@@ skipping 182 matching lines @@
         '<(DEPTH)/content/content.gyp:content_app_both',
         '<(DEPTH)/content/content_shell_and_tests.gyp:test_support_content',
         '<(DEPTH)/extensions/extensions.gyp:extensions_shell_and_test_pak',
         '<(DEPTH)/extensions/extensions.gyp:extensions_test_support',
         '<(DEPTH)/testing/gtest.gyp:gtest',
       ],
       'sources': [
         '../test/extensions_unittests_main.cc',
         'browser/shell_nacl_browser_delegate_unittest.cc',
       ],
+      'conditions': [
+        ['disable_nacl==1', {
+          'sources!': [
+            'browser/shell_nacl_browser_delegate_unittest.cc',
+          ],
+        }],
+      ],
     },
     {
       'target_name': 'app_shell_version_header',
       'type': 'none',
       'direct_dependent_settings': {
         'include_dirs': [
           '<(SHARED_INTERMEDIATE_DIR)',
         ],
       },
       'actions': [
@@ skipping 20 matching lines @@
             '<@(_outputs)',
           ],
           'includes': [
             '../../build/util/version.gypi',
           ],
         },
       ],
     },
   ],  # targets
 }