Revert "Refactor ProfileInfoCache in most of c/b/profiles"

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 6375466a9ac57a2cf6d9d0f2a0c2a99548ff90ca..bd6569a40bc5ec4fd3feb703e345bf9ba5a8946a 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -40879,30 +40879,12 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   <summary>Length of time to retrieve profile.</summary>
 </histogram>
 
-<histogram name="Profile.GetProfileInfoPath.OutsideUserDir" enum="BooleanHit">
-  <owner>anthonyvd@chromium.org</owner>
-  <summary>
-    Whether Profile::GetProfileInfoPath is called with a profile outside the
-    user data directory. We expect this to never happen but need to verify in
-    stable. This metric may be removed after M54.
-  </summary>
-</histogram>
-
 <histogram name="Profile.HistorySize" units="MB">
   <owner>hajimehoshi@chromium.org</owner>
   <owner>kouhei@chromium.org</owner>
   <summary>Size of the history database.</summary>
 </histogram>
 
-<histogram name="Profile.InitProfileUserPrefs.OutsideUserDir" enum="BooleanHit">
-  <owner>anthonyvd@chromium.org</owner>
-  <summary>
-    Whether Profile::InitProfileUserPrefs is called with a profile outside the
-    user data directory. We expect this to never happen but need to verify in
-    stable. This metric may be removed after M54.
-  </summary>
-</histogram>
-
 <histogram name="Profile.LaunchBrowser" enum="ProfileType">
   <owner>rlp@chromium.org</owner>
   <summary>