DIR_METADATA: Migrate all metadata in OWNERS files under //components

Bug: 1113033
Change-Id: Ia3c6c6b277904b08330a2b613b5a0ea9349d919d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2593170
Commit-Queue: Edward Lesmes <ehmaldonado@chromium.org>
Commit-Queue: Ted Choc <tedchoc@chromium.org>
Auto-Submit: Edward Lesmes <ehmaldonado@chromium.org>
Reviewed-by: Ted Choc <tedchoc@chromium.org>
Cr-Commit-Position: refs/heads/master@{#837178}

components/guest_os/DIR_METADATA

+monorail:  {
+  component:  "UI>Shell>Containers"
+}

components/guest_os/OWNERS

 file://chrome/browser/chromeos/guest_os/OWNERS
-
-# COMPONENT: UI>Shell>Containers

components/no_state_prefetch/DIR_METADATA

+monorail:  {
+  component:  "Internals>Preload"
+}

components/no_state_prefetch/OWNERS

@@ -7,5 +7,3 @@ tbansal@chromium.org
 # Deprecated reviewers.
 lizeb@chromium.org
 pasko@chromium.org
-
-# COMPONENT: Internals>Preload

components/password_manager_strings_grdp/DIR_METADATA

+monorail:  {
+  component:  "UI>Browser>Passwords"
+}

components/password_manager_strings_grdp/OWNERS

 file://components/password_manager/OWNERS
-
-# COMPONENT: UI>Browser>Passwords

components/power_metrics/DIR_METADATA

+monorail:  {
+  component:  "Speed>Metrics"
+}

components/power_metrics/OWNERS

 eseckler@chromium.org
 skyostil@chromium.org
 khokhlov@google.com
-
-# COMPONENT: Speed>Metrics

components/safe_browsing/core/password_protection/DIR_METADATA

+monorail:  {
+  component:  "Services>Safebrowsing"
+}
+team_email:  "safebrowsing@chromium.org"

components/safe_browsing/core/password_protection/OWNERS

 bdea@chromium.org
-
-# COMPONENT: Services>Safebrowsing
-# TEAM: safebrowsing@chromium.org
\ No newline at end of file

components/site_engagement/DIR_METADATA

+monorail:  {
+  component:  "Internals>Permissions>SiteEngagement"
+}

components/site_engagement/OWNERS

@@ -2,5 +2,3 @@ benwells@chromium.org
 calamity@chromium.org
 dominickn@chromium.org
 raymes@chromium.org
-
-# COMPONENT: Internals>Permissions>SiteEngagement