[2/N] Add DIR_METADATA files to directories under web_tests/http/

Generate DIR_METADATA files and remove metadata from OWNERS
files for directories under web_tests/http/.

Bug: 1113033
Change-Id: I2e0be3a743d657d8ad986b56abde73b52fd15806
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2573001
Commit-Queue: Chris Harrelson <chrishtr@chromium.org>
Reviewed-by: Chris Harrelson <chrishtr@chromium.org>
Auto-Submit: Gavin Mak <gavinmak@google.com>
Cr-Commit-Position: refs/heads/master@{#834498}

third_party/blink/web_tests/http/tests/sendbeacon/DIR_METADATA

+monorail {
+  component: "Blink>Network"
+}
+team_email: "blink-network-dev@chromium.org"

third_party/blink/web_tests/http/tests/sendbeacon/OWNERS

-# TEAM: blink-network-dev@chromium.org
-# COMPONENT: Blink>Network

third_party/blink/web_tests/http/tests/serviceworker/DIR_METADATA

+monorail {
+  component: "Blink>ServiceWorker"
+}
+team_email: "worker-dev@chromium.org"

third_party/blink/web_tests/http/tests/serviceworker/OWNERS

-# TEAM: worker-dev@chromium.org
-# COMPONENT: Blink>ServiceWorker

third_party/blink/web_tests/http/tests/streams/DIR_METADATA

+monorail {
+  component: "Blink>Network>StreamsAPI"
+}
+team_email: "blink-network-dev@chromium.org"

third_party/blink/web_tests/http/tests/streams/OWNERS

-# TEAM: blink-network-dev@chromium.org
-# COMPONENT: Blink>Network>StreamsAPI

third_party/blink/web_tests/http/tests/svg/DIR_METADATA

+team_email: "paint-dev@chromium.org"

third_party/blink/web_tests/http/tests/svg/OWNERS

-# TEAM: paint-dev@chromium.org

third_party/blink/web_tests/http/tests/usb/DIR_METADATA

+monorail {
+  component: "Blink>USB"
+}
+team_email: "webusb@chromium.org"

third_party/blink/web_tests/http/tests/usb/OWNERS

 file://chrome/browser/usb/OWNERS
-
-# COMPONENT: Blink>USB
-# TEAM: webusb@chromium.org

third_party/blink/web_tests/http/tests/websocket/DIR_METADATA

+monorail {
+  component: "Blink>Network>WebSockets"
+}
+team_email: "blink-network-dev@chromium.org"

third_party/blink/web_tests/http/tests/websocket/OWNERS

-# TEAM: blink-network-dev@chromium.org
-# COMPONENT: Blink>Network>WebSockets

third_party/blink/web_tests/http/tests/xmlhttprequest/DIR_METADATA

+monorail {
+  component: "Blink>Network>XHR"
+}
+team_email: "blink-network-dev@chromium.org"

third_party/blink/web_tests/http/tests/xmlhttprequest/OWNERS

-# TEAM: blink-network-dev@chromium.org
-# COMPONENT: Blink>Network>XHR

third_party/blink/web_tests/http/tests/xsl/DIR_METADATA

+monorail {
+  component: "Blink>XML"
+}

third_party/blink/web_tests/http/tests/xsl/OWNERS

 # There's no real owners here. If you're familiar with the code please send
 # a CL to add yourself here.
-# COMPONENT: Blink>XML
 dcheng@chromium.org
-palmer@chromium.org
+palmer@chromium.org
\ No newline at end of file