Extract test directory owner email addresses from W3CImportExpectations.

third_party/WebKit/LayoutTests/W3CImportExpectations

 # This file controls which subdirectories of the w3c test repos we do (or don't) import.
 #
 # This file acts as a blacklist; directories and files not listed here will automatically
 # be found and imported.
-
+#
+# This file is read by webkitpy/w3c/directory_owners_extractor.py to decide who
+# to contact for new failures; to allow it to read
 # When removing blacklist entries:
 # * Comment out the line rather than deleting it, to show it is intentional
 # * Change [ Skip ] to [ Pass ]
 # * Add a leading comment: ## Owners: user@example.com
 
 external/csswg-test/WOFF2-UserAgent [ Skip ]
 external/csswg-test/compositing-1 [ Skip ]
 external/csswg-test/css-align-3 [ Skip ]
 external/csswg-test/css-animations-1 [ Skip ]
 external/csswg-test/css-backgrounds-3 [ Skip ]
@@ skipping 139 matching lines @@
 external/csswg-test/vendor-imports/mozilla/mozilla-central-reftests/README [ Skip ]
 external/csswg-test/vendor-imports/mozilla/mozilla-central-reftests/align3 [ Skip ]
 external/csswg-test/vendor-imports/mozilla/mozilla-central-reftests/check-for-references.sh [ Skip ]
 external/csswg-test/vendor-imports/mozilla/mozilla-central-reftests/color4 [ Skip ]
 external/csswg-test/vendor-imports/mozilla/mozilla-central-reftests/contain [ Skip ]
 external/csswg-test/vendor-imports/mozilla/mozilla-central-reftests/conditional3 [ Skip ]
 external/csswg-test/vendor-imports/mozilla/mozilla-central-reftests/css21 [ Skip ]
 external/csswg-test/vendor-imports/mozilla/mozilla-central-reftests/filters [ Skip ]
 external/csswg-test/vendor-imports/mozilla/mozilla-central-reftests/background [ Skip ]
 ## Owners: cbiesinger@chromium.org
-# external/csswg-test/vendor-imports/mozilla/mozilla-central-reftests/flexbox [ Skip ]
+# external/csswg-test/vendor-imports/mozilla/mozilla-central-reftests/flexbox [ Pass ]
 external/csswg-test/vendor-imports/mozilla/mozilla-central-reftests/flexbox/reftest.list [ Skip ]
 external/csswg-test/vendor-imports/mozilla/mozilla-central-reftests/fonts3 [ Skip ]
 external/csswg-test/vendor-imports/mozilla/mozilla-central-reftests/images3 [ Skip ]
 external/csswg-test/vendor-imports/mozilla/mozilla-central-reftests/lists-3 [ Skip ]
 external/csswg-test/vendor-imports/mozilla/mozilla-central-reftests/masking [ Skip ]
 external/csswg-test/vendor-imports/mozilla/mozilla-central-reftests/multicol3 [ Skip ]
 external/csswg-test/vendor-imports/mozilla/mozilla-central-reftests/reftest.list [ Skip ]
 external/csswg-test/vendor-imports/mozilla/mozilla-central-reftests/ruby [ Skip ]
 external/csswg-test/vendor-imports/mozilla/mozilla-central-reftests/selectors4 [ Skip ]
 external/csswg-test/vendor-imports/mozilla/mozilla-central-reftests/shapes1 [ Skip ]
@@ skipping 143 matching lines @@
 # external/wpt/service-workers [ Pass ]
 ## Owners: jsbell@chromium.org
 # external/wpt/service-workers/cache-storage [ Pass ]
 ## Owners: kochi@chromium.org crbug.com/505364
 # external/wpt/shadow-dom [ Pass ]
 ## Owners: domenic@chromium.org,ricea@chromium.org,tyoshino@chromium.org
 external/wpt/streams [ Pass ]
 ## Owners: jww@chromium.org
 external/wpt/subresource-integrity [ Skip ]
 ## Owners: foolip@chromium.org
-external/wpt/svg [ Pass ]
+# external/wpt/svg [ Pass ]
 external/wpt/svg/import [ Skip ]
 external/wpt/tools [ Skip ]
 ## Owners: chongz@chromium.org
 # external/wpt/touch-events [ Pass ]
 external/wpt/typedarrays [ Skip ]
 ## Owners: dtapuska@chromium.org
-external/wpt/uievents [ Pass ]
+# external/wpt/uievents [ Pass ]
 external/wpt/url [ Skip ]
 ## Owners: jsbell@chromium.org
 # external/wpt/user-timing [ Pass ]
 external/wpt/vibration [ Skip ]
 ## Owners: bsheedy@chromium.org
 # external/wpt/webvr [ Pass ]
 external/wpt/wai-aria [ Skip ]
 ## Owners: suzyh@chromium.org
 # external/wpt/web-animations [ Pass ]
 external/wpt/webaudio [ Skip ]
@@ skipping 411 matching lines @@
 external/wpt/uievents/order-of-events/focus-events/focus-contained-manual.html [ Skip ]
 external/wpt/uievents/order-of-events/focus-events/legacy-manual.html [ Skip ]
 external/wpt/uievents/order-of-events/mouse-events/click-cancel-manual.html [ Skip ]
 external/wpt/uievents/order-of-events/mouse-events/click-on-body-manual.html [ Skip ]
 external/wpt/uievents/order-of-events/mouse-events/click-on-div-manual.html [ Skip ]
 external/wpt/uievents/order-of-events/mouse-events/click-on-html-manual.html [ Skip ]
 external/wpt/uievents/order-of-events/mouse-events/click-order-manual.html [ Skip ]
 external/wpt/uievents/order-of-events/mouse-events/mouseevents-mousemove-manual.htm [ Skip ]
 external/wpt/uievents/order-of-events/mouse-events/mousemove-across-manual.html [ Skip ]
 external/wpt/uievents/order-of-events/mouse-events/mousemove-between-manual.html [ Skip ]