kiosk: UMA for launch error

tools/metrics/histograms/histograms.xml

Index: tools/metrics/histograms/histograms.xml
diff --git a/tools/metrics/histograms/histograms.xml b/tools/metrics/histograms/histograms.xml
index cfc9ccc328b1564833ac35f52aa32ccd8110db02..133f6dec89a286ecc56101fe84d51532d85025c3 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -23798,6 +23798,16 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   </summary>
 </histogram>
 
+<histogram name="Kiosk.Launch.CryptohomeFailure" enum="LoginFailureReason">
+  <owner>xiyuan@chromium.org</owner>
+  <summary>Tracks cryptohome failure during kiosk launch.</summary>
+</histogram>
+
+<histogram name="Kiosk.Launch.Error" enum="KioskLaunchError">
+  <owner>xiyuan@chromium.org</owner>
+  <summary>Tracks kiosk launch errors.</summary>
+</histogram>
+
 <histogram name="Kiosk.LaunchType" enum="KioskLaunchType">
   <owner>xiyuan@chromium.org</owner>
   <owner>blumberg@chromium.org</owner>
@@ -96555,6 +96565,22 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   <int value="5" label="Partial migration"/>
 </enum>
 
+<enum name="KioskLaunchError" type="int">
+  <int value="0" label="No error"/>
+  <int value="1" label="Has pending launch"/>
+  <int value="2" label="Cryptohome daemon not running"/>
+  <int value="3" label="Launch with mounted cryptohome"/>
+  <int value="4" label="Unable to mount cryptohome"/>
+  <int value="5" label="Unable to remove cryptohome"/>
+  <int value="6" label="Unable to install app"/>
+  <int value="7" label="User cancel"/>
+  <int value="8" label="App is not kiosk enabled"/>
+  <int value="9" label="Unable to get username hash"/>
+  <int value="10" label="Failed to load policy for kiosk account"/>
+  <int value="11" label="Unable to download crx"/>
+  <int value="12" label="Unable to launch app"/>
+</enum>
+
 <enum name="KioskLaunchType" type="int">
   <int value="0" label="Enterprise auto launch"/>
   <int value="1" label="Enterprise manual launch"/>
@@ -98618,18 +98644,19 @@ value.
 </enum>
 
 <enum name="LoginFailureReason" type="int">
-  <int value="0" label="NONE">None</int>
-  <int value="1" label="COULD_NOT_MOUNT_CRYPTOHOME">
-    Could not mount cryptohome
-  </int>
-  <int value="2" label="COULD_NOT_MOUNT_TMPFS">Could not mount tmpfs</int>
-  <int value="3" label="COULD_NOT_UNMOUNT_CRYPTOHOME">
-    Could not unmount cryptohome
-  </int>
-  <int value="4" label="DATA_REMOVAL_FAILED">Data removal failed</int>
-  <int value="5" label="LOGIN_TIMED_OUT">Login timed out</int>
-  <int value="6" label="UNLOCK_FAILED">Unlock failed</int>
-  <int value="7" label="NETWORK_AUTH_FAILED">Network auth failed</int>
+  <int value="0" label="None"/>
+  <int value="1" label="Could not mount cryptohome"/>
+  <int value="2" label="Could not mount tmpfs"/>
+  <int value="3" label="Could not unmount cryptohome"/>
+  <int value="4" label="Data removal failed"/>
+  <int value="5" label="Login timed out"/>
+  <int value="6" label="Unlock failed"/>
+  <int value="7" label="Network auth failed"/>
+  <int value="8" label="Owner required"/>
+  <int value="9" label="Whitelist check failed"/>
+  <int value="10" label="TPM error"/>
+  <int value="11" label="Failed to get username hash"/>
+  <int value="12" label="Failed to get OAuth2 token"/>
 </enum>
 
 <enum name="LoginIsKnownUser" type="int">