Add FXIOS-10902 Firefox iOS send data deletion request when dau ping …

…is toggled off (#24263)

* Add FXIOS-10902 Firefox iOS: Send data deletion request when DAU ping is toggled off

* Update data review link

* Add FXIOS-10902 Firefox iOS: Send data deletion request when DAU ping is toggled off

* Add links for data review

* Enable follows_collection_enabled=false type pings

* Swiftlint fix

firefox-ios/Client/Frontend/Settings/Main/AppSettingsTableViewController.swift

@@ -5,6 +5,7 @@
 import Common
 import UIKit
 import Shared
+import Glean
 
 // MARK: - Settings Flow Delegate Protocol
 

firefox-ios/Client/Telemetry/TelemetryWrapper.swift

@@ -105,6 +105,9 @@ class TelemetryWrapper: TelemetryWrapperProtocol, FeatureFlaggable {
             GleanMetrics.LegacyIds.clientId.set(uuid)
         }
 
+        GleanMetrics.Pings.shared.usageDeletionRequest.setEnabled(enabled: true)
+        GleanMetrics.Pings.shared.onboardingOptOut.setEnabled(enabled: true)
+
         // Set or generate profile id used for usage reporting
         if sendUsageData {
             if let uuidString = profile.prefs.stringForKey(PrefsKeys.Usage.profileId),

firefox-ios/Client/metrics.yaml

@@ -752,6 +752,7 @@ usage:
     expires: never
     send_in_pings:
       - usage-reporting
+      - usage-deletion-request
 
   duration:
     type: timing_distribution

firefox-ios/Client/pings.yaml

@@ -114,3 +114,27 @@ onboarding-opt-out:
   metadata:
     follows_collection_enabled: false
     include_info_sections: false
+
+usage-deletion-request:
+  description: |
+    This ping is submitted when a user opts out of sending usage
+    frequency of Firefox to Mozilla.
+    Sent in response to user action.
+  include_client_id: false
+  send_if_empty: true
+  bugs:
+    - https://mozilla-hub.atlassian.net/browse/FXIOS-10902
+  data_reviews:
+    - https://github.com/mozilla-mobile/firefox-ios/pull/24263
+  notification_emails:
+    - [email protected]
+    - [email protected]
+    - [email protected]
+  metadata:
+    follows_collection_enabled: false
+    include_info_sections: false
+  reasons:
+    set_upload_enabled: |
+      The ping was submitted between Glean init and Glean shutdown.
+      After init but before shutdown the upload of usage reporting data changed
+      from enabled to disabled.