Interventions: updates since 4/4/2017

[kenji...@chromium.org]

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What are interventions?
An Intervention is when a Browser opts for:

• an intentional deviation from a behavior that developers expect and/or rely on,
• which is motivated by the desire to fulfill an important user need.

Because of its nature, it must be done sparingly and with extreme care to not only achieve but also sustain a positive outcome.


Updates for interventions since 4/4/2017

Close pdf dialog popunder loophole
Engineer(s): a...@google.com
Status as of 4/7/2017

It was a bug. I fixed it.

Next Steps:

None

cross origin autoplay on desktop
Engineer(s): mlam...@google.com
Status as of 4/5/2017

put aside for more generic solution

Next Steps:

implement more generic solution

Look into pausing offscreen muted autoplayed videos.
Engineer(s): mlam...@google.com
Status as of 4/5/2017

Launched in M58

Next Steps:

none

disallow top-level navigations to blob/data urls
Engineer(s): mea...@google.com, dch...@google.com
Status as of 4/5/2017

The implementation of blocking is underway.
- Landed multiple CLs in https://crbug.com/594215 to fix tests that will be broken by the blocking.
- Actual blocking happening in https://crrev.com/2702503002

Next Steps:

Land https://crrev.com/2702503002

Link(s): implementation


Cancel modal dialogs on tab switch and don't allow them for background pages ("Project OldSpice")
Engineer(s): a...@google.com
Status as of 4/5/2017

On 50% in beta, 1% stable. Important but not critical bug fix on beta

Next Steps:

Wait for beta to hit stable, me to get back from time off

Link(s): implementation


only allow beforeunload dialogs on frames that have had a user gesture
Engineer(s): a...@google.com
Status as of 4/5/2017

Waiting for 3xLGTM

Next Steps:

Get 3 LGTM

Full details for all the interventions can be found at bit.ly/proposed-interventions.
See also, WICG interventions: a place for browsers to collaborate on browser interventions.
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