Improve the 'track' and 'media' WATCHLISTS

WATCHLISTS

 # Copyright (c) 2013 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 90 matching lines @@
     },
     "prerender": {
       'filepath': 'Prerender' \
                   '|loader/LinkLoader' \
                   '|html/HTMLLinkElement'
     },
     'track': {
       'filepath': 'Source/core/html/track/' \
                   '|Source/core/loader/TextTrack' \
                   '|Source/core/html/HTMLMediaElement' \
+                  '|Source/core/html/HTMLTrackElement' \
                   '|Source/core/html/shadow/MediaControl' \
                   '|Source/core/css/mediaControl' \
                   '|LayoutTests/media/track/'
     },
     'media': {
       'filepath': 'Source/core/css/mediaControls' \
                   '|Source/core/platform/graphics/.*Media' \
                   '|Source/core/html/.*(Audio|Media|Video)' \
                   '|Source/core/html/shadow/MediaControl' \
                   '|Source/core/rendering/RenderMedia' \
                   '|Source/modules/(encryptedmedia|mediasource)' \
                   '|Source/web/.*Media' \
+                  '|LayoutTests/fast/media/' \
+                  '|LayoutTests/media/' \
                   '|public/.*Media'
     },
     'media_queries': {
         'filepath': 'Source/core/css/CSSMediaRule' \
                     '|Source/core/css/MediaList' \
                     '|Source/core/css/MediaQuery'
     },
     'fileapi': {
       'filepath': 'Source/modules/filesystem/' \
                   '|Source/core/fileapi/' \
@@ skipping 118 matching lines @@
     'viewport_interaction': [ 'kenneth.christiansen@gmail.com' ],
     'css_regions': [ 'ChromiumBugTracker@adobe.com' ],
     'web_idl': [ 'arv+blink@chromium.org', 'ch.dumez@samsung.com' ],
     'webcomponents': [ 'webcomponents-bugzilla@chromium.org', 'dglazkov+blink@chromium.org' ],
     'mediastream': [ 'tommyw+watchlist@chromium.org' ],
     'geolocation': [ 'mvanouwerkerk@chromium.org' ],
     'vibration': [ 'mvanouwerkerk@chromium.org' ],
     'spellcheck' : [ 'groby+blinkspell@chromium.org' ],
   },
 }