pe: Extend, update and clean up split view metrics

OBSOLETE_HISTOGRAM[Ash.SplitView.SwapWindowSource]=deprecated since Nov
2023.

Fixed: b/354712919, b/354712919, https://g-issues.chromium.org/issues/360861719
Change-Id: I94c85a604d0cba2c64a69c40e9d9fb49a313bc78
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5798068
Auto-Submit: Michele Fan <michelefan@chromium.org>
Reviewed-by: Sophie Wen <sophiewen@chromium.org>
Commit-Queue: Michele Fan <michelefan@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1343676}
diff --git a/tools/metrics/histograms/metadata/ash/histograms.xml b/tools/metrics/histograms/metadata/ash/histograms.xml
index 1ccfa3f..c0d2617 100644
--- a/tools/metrics/histograms/metadata/ash/histograms.xml
+++ b/tools/metrics/histograms/metadata/ash/histograms.xml
@@ -8804,30 +8804,17 @@
 </histogram>
 
 <histogram name="Ash.SplitView.SwapWindowCount" units="count"
-    expires_after="2024-10-01">
+    expires_after="2025-08-19">
   <owner>xdai@chromium.org</owner>
-  <owner>zxdan@chromium.org</owner>
-  <owner>nupurjain@chromium.org</owner>
-  <owner>fanafan@chromium.org</owner>
+  <owner>michelefan@chromium.org</owner>
+  <owner>sophiewen@chromium.org</owner>
+  <owner>chromeos-wm@google.com</owner>
   <summary>
     Emitted at the end of split view mode to report the number of swap window
     operations in split view mode session.
   </summary>
 </histogram>
 
-<histogram name="Ash.SplitView.SwapWindowSource"
-    enum="SplitViewSwapWindowsSource" expires_after="2024-10-01">
-  <owner>michelefan@chromium.org</owner>
-  <owner>xdai@chromium.org</owner>
-  <summary>
-    Recorded whenever two windows in split view are swapped. The recorded enum
-    indicates where the swap operation is triggered, which can either be from
-    double tap or swap button on the snap group expanded menu.
-
-    Deprecated Nov 2023 as the swap entry point is deprecated.
-  </summary>
-</histogram>
-
 <histogram name="Ash.SplitView.TimeInMultiDisplaySplitView" units="ms"
     expires_after="2025-05-21">
   <owner>xdai@chromium.org</owner>
@@ -8937,11 +8924,11 @@
 
 <histogram
     name="Ash.SplitViewResize.PresentationTime.MaxLatency{SplitViewResizeModes}"
-    units="ms" expires_after="2024-09-01">
+    units="ms" expires_after="2025-08-19">
   <owner>xdai@chromium.org</owner>
-  <owner>omrilio@chromium.org</owner>
-  <owner>oshima@chromium.org</owner>
-  <owner>chromeos-wmp@google.com</owner>
+  <owner>michelefan@chromium.org</owner>
+  <owner>sophiewen@chromium.org</owner>
+  <owner>chromeos-wm@google.com</owner>
   <summary>
     Maximum latency of the presentation time while resizing one or two split
     view windows. {SplitViewResizeModes}
@@ -8950,11 +8937,11 @@
 </histogram>
 
 <histogram name="Ash.SplitViewResize.PresentationTime{SplitViewResizeModes}"
-    units="ms" expires_after="2025-01-26">
+    units="ms" expires_after="2025-08-19">
   <owner>xdai@chromium.org</owner>
-  <owner>omrilio@chromium.org</owner>
-  <owner>oshima@chromium.org</owner>
-  <owner>chromeos-wmp@google.com</owner>
+  <owner>michelefan@chromium.org</owner>
+  <owner>sophiewen@chromium.org</owner>
+  <owner>chromeos-wm@google.com</owner>
   <summary>
     Presentation time while resizing one or two split view windows.
     {SplitViewResizeModes}