[WATCHLIST] Add content/child/memory to the memory-coordinator definition

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 653 matching lines @@
     },
     'media_router': {
       'filepath': 'chrome/browser/media/router/*' \
                   '|chrome/app/theme/*/common/media_router*' \
                   '|chrome/browser/resources/media_router/' \
                   '|chrome/browser/ui/webui/media_router/' \
                   '|chrome/test/media_router/',
     },
     'memory_coordinator': {
       'filepath': 'base/memory/memory_|' \
-                  'content/browser/memory/'
+                  'content/browser/memory/|' \
+                  'content/child/memory/'
     },
     'message_loop': {
       'filepath': 'base/message_'
     },
     'metrics': {
       'filepath': 'base/metrics/'\
                   '|chrome/android/java/src/org/chromium/chrome/browser/metrics/'\
                   '|chrome/browser/metrics/'\
                   '|chrome/browser/chromeos/external_metrics'\
                   '|chrome/browser/extensions/api/metrics_private/'\
@@ skipping 1536 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'],
   },
 }