Bug 1915228 - Remove expired telemetry scalar memoryreporter.max_ghost_windows, r=chutten.

Differential Revision: https://phabricator.services.mozilla.com/D220316

dom/base/nsWindowMemoryReporter.cpp

@@ -14,7 +14,6 @@
 #include "mozilla/Preferences.h"
 #include "mozilla/Services.h"
 #include "mozilla/StaticPtr.h"
-#include "mozilla/Telemetry.h"
 #include "mozilla/Try.h"
 #include "mozilla/ResultExtensions.h"
 #include "nsNetCID.h"
@@ -884,9 +883,6 @@ void nsWindowMemoryReporter::CheckForGhostWindows(
       }
     }
   }
-
-  Telemetry::ScalarSetMaximum(
-      Telemetry::ScalarID::MEMORYREPORTER_MAX_GHOST_WINDOWS, mGhostWindowCount);
 }
 
 /* static */

toolkit/components/telemetry/Scalars.yaml

@@ -5143,24 +5143,6 @@ widget:
     record_in_processes:
       - 'main'
 
-# The following section contains memory reporter counters.
-memoryreporter:
-  max_ghost_windows:
-    bug_numbers:
-      - 1454724
-    description: >
-      The maximum number of leaked ghost windows seen.
-    expires: "66"
-    kind: uint
-    notification_emails:
-      - memshrink-telemetry-alerts@mozilla.com
-    release_channel_collection: opt-out
-    products:
-      - 'firefox'
-      - 'fennec'
-    record_in_processes:
-      - 'content'
-
 update:
   bitshresult:
     bug_numbers: