Make CHECK not print messages in official builds

base/base.gyp

 # Copyright (c) 2011 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,
   },
   'includes': [
     '../build/win_precompile.gypi',
@@ skipping 324 matching lines @@
           ],
           'sources!': [
             'debug/trace_event_win_unittest.cc',
             'time_win_unittest.cc',
             'win/win_util_unittest.cc',
           ],
         }],
       ],
     },
     {
+      'target_name': 'check_example',
+      'type': 'executable',
+      'sources': [
+        'check_example.cc',
+      ],
+      'dependencies': [
+        'base',
+      ],
+    },
+    {
       'target_name': 'test_support_base',
       'type': 'static_library',
       'dependencies': [
         'base',
         'base_static',
         'base_i18n',
         '../testing/gmock.gyp:gmock',
         '../testing/gtest.gyp:gtest',
       ],
       'export_dependent_settings': [
@@ skipping 91 matching lines @@
           'msvs_settings': {
             'VCLinkerTool': {
               'SubSystem': '2',         # Set /SUBSYSTEM:WINDOWS
             },
           },
         },
       ],
     }],
   ],
 }