Ignore OWNERS files during external/wpt import and export

third_party/WebKit/Tools/Scripts/webkitpy/w3c/chromium_commit.py

 # Copyright 2016 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.
 
 from webkitpy.w3c.chromium_finder import absolute_chromium_dir, absolute_chromium_wpt_dir
 
 CHROMIUM_WPT_DIR = 'third_party/WebKit/LayoutTests/external/wpt/'
 
 
 class ChromiumCommit(object):
@@ skipping 69 matching lines @@
             'git', 'diff-tree', '--name-only', '--no-commit-id', '-r', self.sha,
             '--', self.absolute_chromium_wpt_dir
         ], cwd=self.absolute_chromium_dir).splitlines()
 
         blacklist = [
             'MANIFEST.json',
             self.host.filesystem.join('resources', 'testharnessreport.js'),
         ]
         qualified_blacklist = [CHROMIUM_WPT_DIR + f for f in blacklist]
 
-        return [f for f in changed_files if f not in qualified_blacklist and not self.is_baseline(f)]
+        is_ignored = lambda f: (
+            f in qualified_blacklist or
+            self.is_baseline(f) or
+            # See http://crbug.com/702283 for context.
+            self.host.filesystem.basename(f) == 'OWNERS')
+        return [f for f in changed_files if not is_ignored(f)]
 
     @staticmethod
     def is_baseline(basename):
         # TODO(qyearsley): Find a better, centralized place for this.
         return basename.endswith('-expected.txt')
 
     def format_patch(self):
         """Makes a patch with only exportable changes."""
         filtered_files = self.filtered_changed_files()
 
         if not filtered_files:
             return ''
 
         return self.host.executive.run_command([
             'git', 'format-patch', '-1', '--stdout', self.sha, '--'
         ] + filtered_files, cwd=self.absolute_chromium_dir)