[Extensions Metrics] Push expiration date back for extension bubble s…

…tats

Push back the expiration date for a number of metrics related to the
bubbles we show for extension APIs. These are still useful.

Bug: None
Change-Id: Ifd86a00e5893281280bac3597bcc3c605b4f2014
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1652575
Reviewed-by: Ilya Sherman <isherman@chromium.org>
Reviewed-by: Finnur Thorarinsson <finnur@chromium.org>
Commit-Queue: Devlin <rdevlin.cronin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#668854}

tools/metrics/histograms/histograms.xml

@@ -36742,17 +36742,19 @@ uploading your change for review.
 </histogram>
 
 <histogram name="ExtensionBubble.DevModeUserSelection"
-    enum="ExtensionBubbleAction" expires_after="M77">
-  <owner>finnur@chromium.org</owner>
+    enum="ExtensionBubbleAction" expires_after="M82">
+  <owner>rdevlin.cronin@chromium.org</owner>
+  <owner>extensions-core@chromium.org</owner>
   <summary>
     The action taken by the user when seeing the bubble, logged right after the
     action is taken.
   </summary>
 </histogram>
 
 <histogram name="ExtensionBubble.ExtensionsInDevModeCount"
-    units="Developer Mode Extensions" expires_after="M77">
-  <owner>finnur@chromium.org</owner>
+    units="Developer Mode Extensions" expires_after="M82">
+  <owner>rdevlin.cronin@chromium.org</owner>
+  <owner>extensions-core@chromium.org</owner>
   <summary>
     The total number of extensions found to be loaded under Developer Mode,
     logged when the devmode bubble is shown (once per startup per profile, if
@@ -36944,8 +36946,9 @@ uploading your change for review.
 </histogram>
 
 <histogram name="ExtensionOverrideBubble.NtpOverriddenUserSelection"
-    enum="ExtensionBubbleAction" expires_after="M77">
-  <owner>finnur@chromium.org</owner>
+    enum="ExtensionBubbleAction" expires_after="M82">
+  <owner>rdevlin.cronin@chromium.org</owner>
+  <owner>extensions-core@chromium.org</owner>
   <summary>
     The action taken by the user when seeing the bubble, notifing them of an
     extension overriding their new tab page. Logged right after the action is
@@ -36954,17 +36957,19 @@ uploading your change for review.
 </histogram>
 
 <histogram name="ExtensionOverrideBubble.SettingsApiUserSelectionHomePage"
-    enum="ExtensionBubbleAction">
-  <owner>finnur@chromium.org</owner>
+    enum="ExtensionBubbleAction" expires_after="M82">
+  <owner>rdevlin.cronin@chromium.org</owner>
+  <owner>extensions-core@chromium.org</owner>
   <summary>
     The action taken by the user when seeing the bubble, notifing them of an
     extension overriding their homepage. Logged right after the action is taken.
   </summary>
 </histogram>
 
 <histogram name="ExtensionOverrideBubble.SettingsApiUserSelectionSearchEngine"
-    enum="ExtensionBubbleAction" expires_after="M77">
-  <owner>finnur@chromium.org</owner>
+    enum="ExtensionBubbleAction" expires_after="M82">
+  <owner>rdevlin.cronin@chromium.org</owner>
+  <owner>extensions-core@chromium.org</owner>
   <summary>
     The action taken by the user when seeing the bubble, notifing them of an
     extension overriding their search engine. Logged right after the action is
@@ -36973,8 +36978,9 @@ uploading your change for review.
 </histogram>
 
 <histogram name="ExtensionOverrideBubble.SettingsApiUserSelectionStartupPage"
-    enum="ExtensionBubbleAction" expires_after="M77">
-  <owner>finnur@chromium.org</owner>
+    enum="ExtensionBubbleAction" expires_after="M82">
+  <owner>rdevlin.cronin@chromium.org</owner>
+  <owner>extensions-core@chromium.org</owner>
   <summary>
     The action taken by the user when seeing the bubble, notifing them of an
     extension overriding their startup page. Logged right after the action is