[ImportantSites] Adding usage metrics.

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. A user action should be tied to an actual
 action taken by a user. It should be logged immediately after a user takes the
@@ skipping 918 matching lines @@
 </action>
 
 <action name="Android.MultiWindowMode.MultiInstance.Enter">
   <owner>twellington@chromium.org</owner>
   <description>
     A second activity instance (ChromeTabbedActivity2) has been created in
     Android N multi-window mode.
   </description>
 </action>
 
+<action name="AndroidManageSpace">

[Theresa, 2016/06/29 01:24:45]

nit: Android.ManageSpace?

[dmurph, 2016/06/29 19:17:39]

Done.

+  <owner>dmurph@chromium.org</owner>
+  <description>
+    This is recorded when the user navigates to 'Manage Space' from the Android
+    settings for Chrome.
+  </description>
+</action>
+
 <action name="AppCloseButton_Clk">
   <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="AppList_AutoLaunchCanceled">
   <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>
 
@@ skipping 12546 matching lines @@
     Recorded when the user chooses to undo (abort) the sign in process. It
     closes sign in page without signing user in.
   </description>
 </action>
 
 <action name="SiteChipPress">
   <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="SiteSettings_Storage_ClearAll">

[Theresa, 2016/06/29 01:24:45]

nit: Use MobileWebsiteSettings in the name to match
"MobileWebsiteSettingsOpenedFromMenu" and
"MobileWebsiteSettingsOpenedFromToolbar"?

[dmurph, 2016/06/29 19:17:39]

Done.

+  <owner>dmurph@chromium.org</owner>
+  <description>
+    Recorded when the user clicks on the 'Clear All' button in the Storage
+    section of sites settings.
+  </description>
+</action>
+
 <action name="StackedTab_DragActiveTab">
   <owner>bruthig@chromium.org</owner>
   <owner>tdanderson@chromium.org</owner>
   <description>
     Recorded when the active tab is dragged while the tabstrip is using a
     stacked layout. The user performs this action in order to view tabs which
     are not currently visible within the tabstrip. Note this user action is only
     recorded for platforms which use the Views toolkit.
   </description>
 </action>
@@ skipping 1347 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>