Obsolete Uptime.LoginPromptSetupTimeAfterLogout and Uptime.Logout

Bug: 1089619
Change-Id: I2ce420088488eeee1f093a146e80d01a6873f522
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2434597Reviewed-by: Kouhei Ueno <kouhei@chromium.org>
Reviewed-by: Brian White <bcwhite@chromium.org>
Commit-Queue: Hajime Hoshi <hajimehoshi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#815599}

tools/metrics/histograms/histograms_xml/obsolete_histograms.xml

@@ -85704,6 +85704,35 @@ reviews. Googlers can read more about this at go/gwsq-gerrit.
   </summary>
 </histogram>
 
+<histogram name="Uptime.LoginPromptSetupTimeAfterLogout" units="ms"
+    expires_after="M85">
+  <obsolete>
+    Removed 09/2020. No direct replacement.
+  </obsolete>
+  <owner>hajimehoshi@chromium.org</owner>
+  <owner>kouhei@chromium.org</owner>
+  <summary>
+    Measures the time elapsed on Chrome OS for setting up for a login after a
+    logout. More specifically, it is the time between when the Cryptohome is
+    unmounted (the last step in the logout process) and when the login prompt is
+    again visible after a logout.
+  </summary>
+</histogram>
+
+<histogram name="Uptime.Logout" units="ms" expires_after="M85">
+  <obsolete>
+    Removed 09/2020. No direct replacement.
+  </obsolete>
+  <owner>hajimehoshi@chromium.org</owner>
+  <owner>kouhei@chromium.org</owner>
+  <summary>
+    Measures the time elapsed on Chrome OS when performing a logout. More
+    specifically, it is the time between when a logout is initiated and when the
+    Cryptohome is unmounted, signaling the last step in the logout process. This
+    statistic is not collected when the logout is part of a restart or shutdown.
+  </summary>
+</histogram>
+
 <histogram name="Uptime.ProcessesTerminatedToXTerminatedAfterLogout" units="ms"
     expires_after="2018-06-06">
   <obsolete>

tools/metrics/histograms/histograms_xml/others/histograms.xml

@@ -15522,29 +15522,6 @@ should be kept until we use this API.  -->
   </summary>
 </histogram>
 
-<histogram name="Uptime.LoginPromptSetupTimeAfterLogout" units="ms"
-    expires_after="M85">
-  <owner>hajimehoshi@chromium.org</owner>
-  <owner>kouhei@chromium.org</owner>
-  <summary>
-    Measures the time elapsed on Chrome OS for setting up for a login after a
-    logout. More specifically, it is the time between when the Cryptohome is
-    unmounted (the last step in the logout process) and when the login prompt is
-    again visible after a logout.
-  </summary>
-</histogram>
-
-<histogram name="Uptime.Logout" units="ms" expires_after="M85">
-  <owner>hajimehoshi@chromium.org</owner>
-  <owner>kouhei@chromium.org</owner>
-  <summary>
-    Measures the time elapsed on Chrome OS when performing a logout. More
-    specifically, it is the time between when a logout is initiated and when the
-    Cryptohome is unmounted, signaling the last step in the logout process. This
-    statistic is not collected when the logout is part of a restart or shutdown.
-  </summary>
-</histogram>
-
 <histogram name="Uptime.LogoutToLoginPromptVisible" units="ms"
     expires_after="M77">
   <owner>hajimehoshi@chromium.org</owner>