Add a watchlist for the offline_items_collection component

WATCHLISTS

 # 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.
 
 # Watchlist Rules
 # Refer: http://dev.chromium.org/developers/contributing-code/watchlists
 
 # IMPORTANT: The regular expression filepath is tested against each path using
 # re.search, so it is not usually necessary to add .*.
 
@@ skipping 764 matching lines @@
         'chrome/android/java/res/layout/most_visited|'\
         'ios/chrome/browser/ntp_snippets'
     },
     'ntp_tiles': {
       'filepath': 'chrome/browser/android/ntp/|'\
         'chrome/browser/ui/webui/ntp/|'\
         'chrome/common/search/ntp|'\
         'components/ntp_tiles/|'\
         'ios/chrome/browser/ntp_tiles'
     },
+    'offline_items_collection': {
+      'filepath': 'components/offline_items_collection/',
+    },
     'offline_pages': {
       'filepath': 'components/offline_pages/'\
                   '|chrome/browser/android/offline_pages/'\
                   '|chrome/android/java/src/org/chromium/chrome/browser/offlinepages/'
     },
     'omnibox': {
       'filepath': 'chrome/android/java/src/org/chromium/chrome/browser/omnibox/|'\
                   'chrome/android/javatests/src/org/chromium/chrome/browser/omnibox/|'\
                   'chrome/browser/autocomplete/|'\
                   'chrome/browser/ui/omnibox/|'\
@@ skipping 1255 matching lines @@
     'notifications': ['awdf+watch@chromium.org',
                       'mlamouri+watch-notifications@chromium.org',
                       'peter@chromium.org'],
     'nqe': ['tbansal+watch-nqe@chromium.org'],
     'ntp': ['dbeam+watch-ntp@chromium.org',
             'pedrosimonetti+watch@chromium.org'],
     'ntp_snippets': ['ntp-dev+reviews@chromium.org',
                      'noyau+watch@chromium.org'],
     'ntp_tiles': ['ntp-dev+reviews@chromium.org',
                   'noyau+watch@chromium.org'],
+    'offline_items_collection': ['harkness+watch@chromium.org',
+                                 'peter@chromium.org'],
     'offline_pages': ['chili+watch@chromium.org',
                       'dewittj+watch@chromium.org',
                       'dimich+watch@chromium.org',
                       'fgorski+watch@chromium.org',
                       'petewil+watch@chromium.org',
                       'romax+watch@chromium.org'],
     'omnibox': ['jdonnelly+watch@chromium.org'],
     'options': ['dbeam+watch-options@chromium.org',
                 'michaelpg+watch-options@chromium.org'],
     'origin_trials': ['chasej+watch@chromium.org',
@@ skipping 129 matching lines @@
                          'raymes+watch@chromium.org'],
     'windows_sandboxing': ['pennymac+watch@chromium.org',
                            'wfh+watch@chromium.org'],
     'x11': ['derat+watch@chromium.org',
             'sadrul@chromium.org',
             'yusukes+watch@chromium.org'],
     'xml': ['dominicc+watchlist@chromium.org'],
     'zoom': ['wjmaclean@chromium.org'],
   },
 }