Fix c/c/extensions PRESUBMIT.py to only check _VERSION of docs/server2 files

chrome/common/extensions/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.
 
 """Presubmit script for changes affecting extensions.
 
 See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts
 for more details about the presubmit API built into gcl.
 """
 import fnmatch
@@ skipping 71 matching lines @@
         fnmatch.fnmatch(name, '*%s*' % ARTICLES_PATH)):
       contents = input_api.ReadFile(name)
       if (len(re.findall(headings_re, contents)) !=
           len(re.findall(ids_re, contents))):
         bad_files.append(name)
   return bad_files
 
 def _CheckVersions(input_api, output_api, results):
   version = '_VERSION ='
   for affected_file in input_api.AffectedFiles():
-    if affected_file.LocalPath().endswith('PRESUBMIT.py'):
+    local_path = affected_file.LocalPath()
+    if not fnmatch.fnmatch(local_path, '%s*' % SERVER2_PATH):
+      continue
+    if local_path.endswith('PRESUBMIT.py'):
       continue
     if any(version in line for line in affected_file.NewContents()):
       found = False
       for _, text in affected_file.ChangedContents():
         if version in text:
           found = True
           break
       if not found:
         results.append(output_api.PresubmitError(
             '_VERSION of %s needs to be incremented.' % affected_file))
@@ skipping 15 matching lines @@
   except input_api.subprocess.CalledProcessError:
     results.append(output_api.PresubmitError('IntegrationTest failed!'))
   _CheckVersions(input_api, output_api, results)
   return results
 
 def CheckChangeOnUpload(input_api, output_api):
   return _CheckChange(input_api, output_api)
 
 def CheckChangeOnCommit(input_api, output_api):
   return _CheckChange(input_api, output_api)