Deleted CONTENT_SETTINGS_TYPE_FULLSCREEN and MOUSELOCK.

tools/metrics/actions/actions.xml

 <!--
 Copyright 2014 The Chromium Authors. All rights reserved.
 Use of this source code is governed by a BSD-style license that can be
 found in the LICENSE file.
 -->
 
 <!--
 This file is a comprehensive list of Chrome user actions along with the owner
 and description for each user action.
 
@@ skipping 11106 matching lines @@
     Triggers when the default content setting for Background Sync is changed.
   </description>
 </action>
 
 <action name="Options_DefaultCookieSettingChanged">
   <owner>Please list the metric's owners. Add more owner tags as needed.</owner>
   <description>Please enter the description of this user action.</description>
 </action>
 
 <action name="Options_DefaultFullScreenSettingChanged">
-  <owner>lshang@chromium.org</owner>
-  <description>
-    Recorded when the default value for the Full Screen content setting is
-    changed by the user.
-  </description>
+  <owner>mgiuca@chromium.org</owner>
+  <description>Was used for changing fullscreen settings.</description>
+  <obsolete>Deprecated as of 2016-10. These settings no longer exist.</obsolete>
 </action>
 
 <action name="Options_DefaultGeolocationSettingChanged">
   <owner>Please list the metric's owners. Add more owner tags as needed.</owner>
   <description>Please enter the description of this user action.</description>
 </action>
 
 <action name="Options_DefaultHandlersSettingChanged">
   <owner>Please list the metric's owners. Add more owner tags as needed.</owner>
   <description>Please enter the description of this user action.</description>
@@ skipping 47 matching lines @@
     content setting is changed by the user.
   </description>
   <obsolete>
     This action was disused in r172302. See
     Options_DefaultMediaStreamCameraSettingChanged and
     Options_DefaultMediaStreamMicSettingChanged.
   </obsolete>
 </action>
 
 <action name="Options_DefaultMouseLockSettingChanged">
-  <owner>Please list the metric's owners. Add more owner tags as needed.</owner>
-  <description>Please enter the description of this user action.</description>
+  <owner>mgiuca@chromium.org</owner>
+  <description>Was used for changing mouse lock settings.</description>
+  <obsolete>Deprecated as of 2016-10. These settings no longer exist.</obsolete>
 </action>
 
 <action name="Options_DefaultMultipleAutomaticDLSettingChange">
   <owner>Please list the metric's owners. Add more owner tags as needed.</owner>
   <description>Please enter the description of this user action.</description>
 </action>
 
 <action name="Options_DefaultNotificationsSettingChanged">
   <owner>peter@chromium.org</owner>
   <description>
@@ skipping 4693 matching lines @@
 <action name="webapps.AddShortcut.Manifest">
   <owner>mlamouri@chromium.org</owner>
   <description>
     Shortcut added to the homescreen with a valid Manifest. This action will be
     recorded in addition to AppShortcut, AppShortcutApple and Bookmark actions
     to keep a trend of whether the webapp also add meta tags.
   </description>
 </action>
 
 </actions>