Make gn check //examples/* pass

PRESUBMIT.py

 # 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.
 
 """Top-level presubmit script for Chromium.
 
 See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts
 for more details about the presubmit API built into gcl.
 """
 
@@ skipping 426 matching lines @@
     relative_out_dir = input_api.os_path.relpath(out_dir, temp_parent)
     try:
       input_api.subprocess.check_output(['gn', 'gen', relative_out_dir])
     except input_api.subprocess.CalledProcessError, error:
       return [output_api.PresubmitError(
           'gn gen must not fail.', long_text=error.output)]
 
     # TODO(eseidel): Currently only these are known to pass,
     # once everything passes we can just call 'gn check' once without a filter!
     KNOWN_PASSING = [
+      '//examples/*',
       '//mojo/aura/*',
       '//mojo/application/*',
       '//mojo/application_manager/*',
       '//mojo/cc/*',
       '//mojo/common/*',
       '//mojo/converters/*',
       '//mojo/edk/*',
       '//mojo/environment/*',
       '//mojo/gles2/*',
       '//mojo/gpu/*',
@@ skipping 1158 matching lines @@
   files = change.LocalPaths()
 
   if not files or all(re.search(r'[\\\/]OWNERS$', f) for f in files):
     return {}
 
   builders = [
       'Mojo Linux Try',
   ]
 
   return GetDefaultTryConfigs(builders)