Contact emails
[email protected], [email protected]

Specification
No information provided


Summary
Fixes a bug in the predictable-storage-quota that allows Incognito mode to be 
detected. A change introduced recently to Stable, buckets the result of the 
StorageManager's estimate API for sites that do not have unlimited storage 
permission to max(10Gib, ceil(actual_quota_in_Gib)) + usage. However, in 
incognito mode, the actual quota value is based on a fraction of available RAM, 
instead of the disk space - providing an Incognito detection surface. This 
change fixes the value of this API for Incognito Mode to the maximal bucket of: 
usage + 10Gib. Discussion on the original feature available here: 
https://groups.google.com/a/chromium.org/g/blink-dev/c/7q0YGQNVkjs/m/mpYkQVWpAQAJ


Blink component
Blink>Storage>Quota


Web Feature ID
No information provided


Risks




Interoperability and Compatibility
No information provided

Gecko: No signal

WebKit: No signal

Web developers: No signals

Other signals:


WebView application risks

Does this intent deprecate or change behavior of existing APIs, such that it 
has potentially high risk for Android WebView-based applications?
No information provided



Debuggability
No information provided


Will this feature be supported on all six Blink platforms (Windows, Mac, Linux, 
ChromeOS, Android, and Android WebView)?
No


Is this feature fully tested by web-platform-tests?
No





Tracking bug
https://issues.chromium.org/issues/464484739


Estimated milestones


Shipping on desktop 151

Shipping on Android 151

Shipping on WebView 151




Link to entry on the Chrome Platform Status
https://chromestatus.com/feature/5143175657291776


This intent message was generated by Chrome Platform Status.

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