Create Web IDL watchlist and add myself to it

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 128 matching lines @@
     },
     'css_regions': {
       'filepath': 'Source/core/rendering/.*(Region|FlowThread).*' \
                   '|Source/core/dom/NodeRendering.*' \
                   '|Source/core/dom/.*NamedFlow.*' \
                   '|Source/core/css/.*Region.*' \
                   '|LayoutTests/compositing/regions/' \
                   '|LayoutTests/fast/regions/' \
                   '|LayoutTests/platform/chromium.*/fast/regions/'
     },
+    'web_idl': {
+      'filepath': 'Source/core/.*\.idl'
+    },
     'webcomponents': {
       'filepath': 'Source/core/dom/shadow/.*' \
                   '|Source/core/dom/CustomElement.*' \
                   '|Source/bindings/v8/custom/V8CustomElementConstructorCustom.*' \
                   '|Source/bindings/v8/CustomElementHelpers.*'
     },
     'mediastream': {
       'filepath': 'Source/core/platform/mediastream/' \
                   '|Source/modules/mediastream/' \
                   '|LayoutTests/fast/mediastream/' \
@@ skipping 55 matching lines @@
     'rendering': [ 'eae+blinkwatch@chromium.org', 'jchaffraix+rendering@chromium.org', 'leviw+renderwatch@chromium.org' ],
     'content_security_policy': [ 'mkwst+watchlist@chromium.org' ],
     'prerender': [ 'gavinp+prerender@chromium.org' ],
     'track': ['vcarbune@chromium.org'],
     'media': [ 'feature-media-reviews@chromium.org' ],
     'media_queries': [ 'kenneth.christiansen@gmail.com' ],
     'fileapi': [ 'kinuko@chromium.org' ],
     'quota': [ 'kinuko@chromium.org' ],
     'viewport_interaction': [ 'kenneth.christiansen@gmail.com' ],
     'css_regions': [ 'ChromiumBugTracker@adobe.com' ],
+    'web_idl': [ 'ch.dumez@sisa.samsung.com' ],
     'webcomponents': [ 'webcomponents-bugzilla@chromium.org', 'dglazkov+blink@chromium.org' ],
     'mediastream': [ 'tommyw+watchlist@chromium.org' ],
   },
 }