[Autofill] add feature toggle for partial save for android and windows

[dbajpeyi]

Asana Task/Github Issue: https://app.asana.com/0/72649045549333/1208998878408133/f

Description

The Increase ratio of complete credentials saves [3w] project adds the in-memory saving of partial credentials during multi-page login / registration / password-reset flows. In order to reduce any risk of autofill breakage introduced by this change, we should add a feature flag that can be used to remotely deactivate the functionality in the case that we receive reports of problems.

Note: Currently doesn't effect either Windows or Android as they don't consume it yet, it's for future proofing.

Feature change process:

• I have added a schema to validate this feature change
• I have tested this change locally
• This code for the config change is ready to merge
• This feature was covered by a tech design

Additional info:

• I have tested this change locally in all supported browsers
• This change will be visible to users
• This code for the config change is ready
• This change was covered by a ship review

Site breakage mitigation process:

Brief explanation

• Reported URL:

• Problems experienced:

• Platforms affected:

  • iOS
  • Android
  • Windows
  • MacOS
  • Extensions

• Tracker(s) being unblocked:

• Feature being disabled:

• I have referenced the URL of this PR as the "reason" value for the exception (where applicable).

• This change is a speculative mitigation to fix reported breakage.

Reference

• Config Reviewer Documentation
• Config Maintainer Documentation
• Feature Implementer Documentation

[github-actions]

Don't forget to assign an individual reviewer (in addition to those already added, this should create a task for them in Asana).
Please mark this as draft unless there's intention to merge this.
Click the "Merge When Ready" if you're happy for this to automatically get merged once reviewed.
Also don't forget to add schema changes to validate if you're adding/changing a feature.

• Config Reviewer Documentation
• Config Maintainer Documentation
• Feature Implementer Documentation

[github-actions]

Generated file outputs:

Time updated: Tue, 17 Dec 2024 15:38:10 GMT

legacy

trackers-unprotected-temporary.txt (12 more)

• trackers-unprotected-temporary.txt
• v3/extension-brave-config.json
• v3/extension-bravemv3-config.json
• v3/extension-chrome-config.json
• v3/extension-chromemv3-config.json
• v3/extension-config.json
• v3/extension-edg-config.json
• v3/extension-edge-config.json
• v3/extension-edgmv3-config.json
• v3/extension-firefox-config.json
• v3/extension-safarimv3-config.json
• v3/ios-config.json
• v3/macos-config.json

⚠️ File is identical

v3/android-config.json

--- v3/android-config.json
+++ v3/android-config.json
@@ -1930,8 +1930,11 @@
                 },
                 "canIntegrateWebMessageBasedAutofillInWebView": {
                     "state": "disabled"
                 },
+                "partialFormSaves": {
+                    "state": "enabled"
+                },
                 "onByDefault": {
                     "state": "enabled",
                     "rollout": {
                         "steps": [

v3/windows-config.json

--- v3/windows-config.json
+++ v3/windows-config.json
@@ -1125,8 +1125,11 @@
                     "state": "enabled"
                 },
                 "credentialsImportPromotionForExistingUsers": {
                     "state": "enabled"
+                },
+                "partialFormSaves": {
+                    "state": "disabled"
                 }
             }
         },
         "backgroundAgentPixelTest": {

latest

v4/android-config.json

--- v4/android-config.json
+++ v4/android-config.json
@@ -1698,8 +1698,11 @@
                 },
                 "canIntegrateWebMessageBasedAutofillInWebView": {
                     "state": "disabled"
                 },
+                "partialFormSaves": {
+                    "state": "enabled"
+                },
                 "onByDefault": {
                     "state": "enabled",
                     "rollout": {
                         "steps": [

v4/extension-brave-config.json (11 more)

• v4/extension-brave-config.json
• v4/extension-bravemv3-config.json
• v4/extension-chrome-config.json
• v4/extension-chromemv3-config.json
• v4/extension-config.json
• v4/extension-edg-config.json
• v4/extension-edge-config.json
• v4/extension-edgmv3-config.json
• v4/extension-firefox-config.json
• v4/extension-safarimv3-config.json
• v4/ios-config.json
• v4/macos-config.json

⚠️ File is identical

v4/windows-config.json

--- v4/windows-config.json
+++ v4/windows-config.json
@@ -898,8 +898,11 @@
                     "state": "enabled"
                 },
                 "credentialsImportPromotionForExistingUsers": {
                     "state": "enabled"
+                },
+                "partialFormSaves": {
+                    "state": "disabled"
                 }
             }
         },
         "backgroundAgentPixelTest": {

[gkerenyi]

Windows side LGTM.