[DirectoryOwnership] Add TEAM/COMPONENT into OWNERS files.

We are adding COMPONENT/TEAM information into OWNERS file. Please help us to
verify the added TEAM/COMPONENT or suggest the correct TEAM/COMPONENT in your
OWNERS files. Thanks.

Proposal to add TEAM/COMPONENT information into OWNERS files
http://bit.ly/add-team-component-proposal
Proposal about how to get suggested component for directory.
http://bit.ly/directory-mapping-proposal
TEAM-COMPONENT mapping
http://bit.ly/component-team-mapping

Additional Information:
Component lists
https://bugs.chromium.org/p/chromium/adminComponents

BUG=679905

Review-Url: https://codereview.chromium.org/2689823002
Cr-Commit-Position: refs/heads/master@{#452220}

diff --git a/headless/OWNERS b/headless/OWNERS
index d11af97..bfb2bee 100644
--- a/headless/OWNERS
+++ b/headless/OWNERS

@@ -1,4 +1,5 @@
 skyostil@chromium.org
 alexclarke@chromium.org
 altimin@chromium.org
-eseckler@chromium.org
+
+# TEAM: headless-dev@chromium.org