Record histograms for on-demand update check results.

tools/metrics/actions/actions.xml

Index: tools/metrics/actions/actions.xml
diff --git a/tools/metrics/actions/actions.xml b/tools/metrics/actions/actions.xml
index 023f86b8a05531b9a50a97a51d61c2c1a18b8de6..0426523ac3c74d1698a0369614c7e8cd9fc18097 100644
--- a/tools/metrics/actions/actions.xml
+++ b/tools/metrics/actions/actions.xml
@@ -11162,46 +11162,58 @@ should be able to be added at any place in this file.
 <action name="UpgradeCheck_AlreadyUpToDate">
   <owner>Please list the metric's owners. Add more owner tags as needed.</owner>
   <description>Please enter the description of this user action.</description>
+  <obsolete>Removed from codebase; see GoogleUpdate.UpgradeResult.</obsolete>
 </action>
 
 <action name="UpgradeCheck_AlreadyUpgraded">
   <owner>Please list the metric's owners. Add more owner tags as needed.</owner>
   <description>Please enter the description of this user action.</description>
+  <obsolete>Removed from codebase; see GoogleUpdate.UpgradeResult.</obsolete>
 </action>
 
 <action name="UpgradeCheck_Done">
   <owner>Please list the metric's owners. Add more owner tags as needed.</owner>
   <description>Please enter the description of this user action.</description>
+  <obsolete>Not present in codebase.</obsolete>
 </action>
 
 <action name="UpgradeCheck_Error">
   <owner>Please list the metric's owners. Add more owner tags as needed.</owner>
   <description>Please enter the description of this user action.</description>
+  <obsolete>
+    Removed from codebase; see GoogleUpdate.UpgradeResult,
+    GoogleUpdate.UpdateErrorCode, and GoogleUpdate.ErrorHresult.
+  </obsolete>
 </action>
 
 <action name="UpgradeCheck_Started">
   <owner>Please list the metric's owners. Add more owner tags as needed.</owner>
   <description>Please enter the description of this user action.</description>
+  <obsolete>Removed from codebase; see GoogleUpdate.UpgradeResult.</obsolete>
 </action>
 
 <action name="UpgradeCheck_TimedOut">
   <owner>Please list the metric's owners. Add more owner tags as needed.</owner>
   <description>Please enter the description of this user action.</description>
+  <obsolete>Not present in codebase.</obsolete>
 </action>
 
 <action name="UpgradeCheck_UpgradeIsAvailable">
   <owner>Please list the metric's owners. Add more owner tags as needed.</owner>
   <description>Please enter the description of this user action.</description>
+  <obsolete>Removed from codebase; see GoogleUpdate.UpgradeResult.</obsolete>
 </action>
 
 <action name="UpgradeCheck_Upgraded">
   <owner>Please list the metric's owners. Add more owner tags as needed.</owner>
   <description>Please enter the description of this user action.</description>
+  <obsolete>Removed from codebase; see GoogleUpdate.UpgradeResult.</obsolete>
 </action>
 
 <action name="Upgrade_Started">
   <owner>Please list the metric's owners. Add more owner tags as needed.</owner>
   <description>Please enter the description of this user action.</description>
+  <obsolete>Removed from codebase; see GoogleUpdate.UpgradeResult.</obsolete>
 </action>
 
 <action name="ViewAboutConflicts">