Contact emailsmfo...@chromium.org, bryantchand...@chromium.org

ExplainerNone

Specification
https://docs.google.com/document/d/1ZnX2JROjr9l4y2_OPMpfVlLOo-A5cQzD4mWarj9kXQ0/edit

Design docs
https://docs.google.com/document/d/1ZnX2JROjr9l4y2_OPMpfVlLOo-A5cQzD4mWarj9kXQ0/edit

Summary

Allow coordination between sites using Page Embedded Permissions Controls
and concurrent experiments with the camera and microphone permissions UI in
Chrome.


Blink componentBlink>MediaStream
<https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3EMediaStream>

TAG reviewNone

TAG review statusNot applicable

Chromium Trial NameMediaPreviewsOptOutPersistent

Origin Trial documentation link
https://docs.google.com/document/d/1ZnX2JROjr9l4y2_OPMpfVlLOo-A5cQzD4mWarj9kXQ0/edit?usp=sharing

WebFeature UseCounter namekOBSOLETE_PageDestruction

Risks


Interoperability and Compatibility

None as this feature concerns the functionality of Chrome's permissions UI,
and does not change the behavior of the APIs that are gated by it:
navigator.mediaDevices.enumerateDevices and
navigator.mediaDevices.getUserMedia Other browsers implement their own
permissions UIs independently of Chrome.


*Gecko*: N/A

*WebKit*: N/A

*Web developers*: No signals

*Other signals*:

Ergonomics

N/A


Activation

N/A


Security

N/A


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?

None


Goals for experimentation



Ongoing technical constraints

There are no plans to add media previews to Chrome on platforms other than
Windows/Mac/Linux.


Debuggability

N/A


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

There are currently no plans to launch previews outside of
Windows/Mac/Linux.


Is this feature fully tested by web-platform-tests
<https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>
?No

N/A


DevTrial instructionshttps://tinyurl.com/yc6mvth8

Flag name on chrome://flags--enable-features=camera-mic-preview

Finch feature nameCameraMicPreview

Requires code in //chrome?False

Tracking bughttps://issues.chromium.org/330762482

Launch bughttps://launch.corp.google.com/launch/4304480

Estimated milestones
Origin trial desktop first 126
Origin trial desktop last 137
DevTrial on desktop 122

Link to entry on the Chrome Platform Status
https://chromestatus.com/feature/5100528783851520?gate=5123374989967360

This intent message was generated by Chrome Platform Status
<https://chromestatus.com/>.

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