[DirectoryOwnership] Add TEAM/COMPONENT into OWNERS files.

We are adding COMPONENT/TEAM information into OWNERS file(
views, etc).

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
R=msw@chromium.org

Review-Url: https://codereview.chromium.org/2740203004
Cr-Commit-Position: refs/heads/master@{#456244}

components/constrained_window/OWNERS

 gbillock@chromium.org
 msw@chromium.org
 wittman@chromium.org
+
+# COMPONENT: Internals>Views

mash/OWNERS

@@ -2,3 +2,5 @@ ben@chromium.org
 erg@chromium.org
 msw@chromium.org
 sky@chromium.org
+
+# COMPONENT: UI>Shell

services/ui/OWNERS

@@ -5,3 +5,5 @@ sky@chromium.org
 
 per-file *_type_converter*.*=set noparent
 per-file *_type_converter*.*=file://ipc/SECURITY_OWNERS
+
+# COMPONENT: Internals>MUS

ui/views/OWNERS

@@ -4,3 +4,5 @@ msw@chromium.org
 sadrul@chromium.org
 sky@chromium.org
 tapted@chromium.org
+
+# COMPONENT: Internals>Views

ui/views/bubble/OWNERS

 msw@chromium.org
 per-file tray_bubble_view.*=stevenjb@chromium.org
+
+# COMPONENT: UI>Browser>Bubbles

ui/views/controls/tabbed_pane/OWNERS

 ellyjones@chromium.org
 msw@chromium.org
+
+# COMPONENT: Internals>Views