Added DIR_METADATA files to //components/security_…,

//components/send_tab_to_self  and removed duplicated
metadata from OWNERS files

Bug: 1113033
Change-Id: I58dcbd2fadba57e2f7dec1cabde5df6557321632
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2570243
Auto-Submit: Norman Rosas <normando@google.com>
Commit-Queue: Nico Weber <thakis@chromium.org>
Reviewed-by: Nico Weber <thakis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#833053}

components/security_interstitials/DIR_METADATA

+monorail {
+  component: "UI>Browser>Interstitials"
+}
+
+team_email: "security-enamel@chromium.org"

components/security_interstitials/OWNERS

@@ -7,6 +7,3 @@ mattm@chromium.org
 meacer@chromium.org
 nparker@chromium.org
 vakh@chromium.org
-
-# COMPONENT: UI>Browser>Interstitials
-# TEAM: security-enamel@chromium.org

components/security_interstitials_strings_grdp/DIR_METADATA

+monorail {
+  component: "Services>Safebrowsing"
+}

components/security_interstitials_strings_grdp/OWNERS

 file://components/security_interstitials/OWNERS
-# COMPONENT: Services>Safebrowsing
 
 # Translation screenshots:
 per-file *.png.sha1=*

components/security_state/DIR_METADATA

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

components/security_state/OWNERS

 cthomp@chromium.org
 estark@chromium.org
 felt@chromium.org
-
-# COMPONENT: Internals>PageSecurityState

components/security_state_strings_grdp/DIR_METADATA

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

components/security_state_strings_grdp/OWNERS

 file://components/security_state/OWNERS
-# COMPONENT: Internals>PageSecurityState
 
 # Translation screenshots:
 per-file *.png.sha1=*

components/send_tab_to_self/DIR_METADATA

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

components/send_tab_to_self/OWNERS

@@ -10,5 +10,3 @@ tgupta@chromium.org
 
 # target_device_info is used by multiple sharing teams.
 per-file target_device_info.*=file://chrome/browser/sharing/OWNERS
-
-# COMPONENT: UI>Browser>Sharing

components/send_tab_to_self_strings_grdp/DIR_METADATA

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

components/send_tab_to_self_strings_grdp/OWNERS

 file://components/send_tab_to_self/OWNERS
-
-# COMPONENT: UI>Browser>Sharing