Add watchlist entry for libvpx.

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 339 matching lines @@
     'instant': {
       'filepath': 'instant|searchbox|'\
                   'chrome/browser/search/|'\
                   'chrome/browser/ui/search/|'\
                   'chrome/browser/resources/local_ntp/|'\
                   'chrome/common/search_types.*',
     },
     'ipc': {
       'filepath': 'ipc/ipc',
     },
+    'libvpx': {
+      'filepath': 'third_party/libvpx'
+    },
     'libwebp': {
       'filepath': 'third_party/libwebp'
     },
     'layout_tests': {
       'filepath': 'webkit/(tools|data)/(layout_tests|test_shell)/',
     },
     'linux_fonts': {
       'filepath': 'ui/gfx/font_render_params_.*|'\
                   'ui/gfx/platform_font_pango.*|'\
                   'ui/gfx/render_text_linux.*',
@@ skipping 433 matching lines @@
                    'dgrogan@chromium.org',
                    'ericu+idb@chromium.org', 'jsbell+idb@chromium.org'],
     'installer': ['grt+watch@chromium.org'],
     'instant': ['dcblack@chromium.org', 'jered@chromium.org',
                 'dominich@chromium.org', 'samarth+watch@chromium.org',
                 'melevin+watch@chromium.org', 'dougw+watch@chromium.org',
                 'kmadhusu+watch@chromium.org', 'dhollowa+watch@chromium.org',
                 'jfweitz+watch@chromium.org', 'skanuj+watch@chromium.org',
                 'donnd+watch@chromium.org'],
     'ipc': ['jam@chromium.org', 'darin-cc@chromium.org'],
+    'libvpx': ['tomfinegan@chromium.org', 'jzern@chromium.org',
+               'fgalligan@chromium.org', 'johannkoenig@chromium.org'],
     'libwebp': ['urvang@google.com', 'jzern@chromium.org',
                 'skal@google.com', 'vikasa@google.com'],
     'linux_fonts': ['derat+watch@chromium.org'],
     'linux_sandboxing': ['agl@chromium.org', 'jln+watch@chromium.org'],
     'linux_seccomp_bpf': ['jln+watch@chromium.org'],
     'managed_users': ['pam+watch@chromium.org'],
     'media': ['feature-media-reviews@chromium.org'],
     'media_galleries': ['gbillock@chromium.org', 'thestig@chromium.org',
                         'tommycli@chromium.org', 'vandebo@chromium.org'],
     'message_loop': ['sadrul@chromium.org'],
@@ skipping 99 matching lines @@
     'webrtc_media': ['fischman+watch@chromium.org',
                      'wjia+watch@chromium.org',
                      'mcasas+watch@chromium.org'],
     'website_settings': ['markusheintz@chromium.org'],
     'worker': ['jam@chromium.org'],
     'x11': ['derat+watch@chromium.org',
             'sadrul@chromium.org',
             'yusukes+watch@chromium.org'],
   },
 }