Make lgarron@ an owner of (desktop) Page Info UI code and create a page_info watchlist.

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 788 matching lines @@
                   '|OriginTrial'\
                   '|ConditionalFeature',
     },
     'ozone': {
       'filepath': 'ui/ozone/|'\
         'ui/events/ozone/|'\
         'ui/gfx/ozone/|'\
         'ui/gl/gl_.*egl.*|'\
         'ui/gl/gl_.*ozone.*'
     },
+    'page_info' : {
+      'filepath': 'chrome/browser/ui/page_info/'\
+                  '|chrome/browser/ui/.*/page_info/'\
+                  '|chrome/android/java/src/org/chromium/chrome/browser/pageinfo/'\
+                  '|ios/chrome/browser/ui/omnibox/page_info_'
+  },
     'page_load_metrics' : {
       'filepath': 'chrome/browser/page_load_metrics/'\
                   '|chrome/common/page_load_metrics/'\
                   '|chrome/renderer/page_load_metrics/'
     },
     'panels': {
       'filepath': 'chrome/browser/ui/panels'\
                   '|chrome/browser/ui/cocoa/panels'\
                   '|chrome/browser/ui/views/panels'
     },
@@ skipping 1224 matching lines @@
                       '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',
                       'iclelland+watch@chromuim.org'],
     'ozone': ['kalyan.kondapally@intel.com',
               'ozone-reviews@chromium.org'],
+    'page_info' : ['lgarron+watch@chromium.org',
+                   'raymes+watch@chromium.org'],
     'page_load_metrics' : ['csharrison+watch@chromium.org',
                            'loading-reviews+metrics@chromium.org',
                            'speed-metrics-reviews@chromium.org'],
     'panels': ['dcheng@chromium.org',
                'dimich@chromium.org',
                'jennb@chromium.org',
                'jianli@chromium.org'],
     'password_manager': ['gcasto+watchlist@chromium.org',
                          'vabr+watchlistpasswordmanager@chromium.org'],
     'payments': ['rouslan+payments@chromium.org',
@@ skipping 113 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'],
   },
 }