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Issue 682295 link

Starred by 1 user
Status: Duplicate
Merged: issue 498405
Owner:
hayato@chromium.org
Closed: Jan 2017
Cc:
rbyers@chromium.org
dpa...@chromium.org
hayato@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 3
Type: Bug

Blocking:
issue 489954



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chrome://help relies on Shadow-Piercing descendant combinator, '/deep/'

Reported by rfe...@gmail.com, Jan 18 2017 
Chrome Version       : Version 55.0.2883.87 m
 
Google Chrome is up to date.chrome://help/
URLs (if applicable) :  
Other browsers tested:
  Add OK or FAIL, along with the version, after other browsers where you
have tested this issue:
     Safari:
    Firefox:
         IE:

What steps will reproduce the problem?
(1)
(2)
(3)

What is the expected result?


What happens instead?


Please provide any additional information below. Attach a screenshot if
possible.

Comment 1 by rbyers@chromium.org, Jan 18 2017

Blocking: 489954
Cc: -hayato@chromium.org rbyers@chromium.org
Components: -Blink Platform>DevTools>Security Blink>DOM>ShadowDOM
Owner: hayato@chromium.org
Summary: Devtools security page relies on Shadow-Piercing descendant combinator, '/deep/' (aka '>>>') (was: Shadow-Piercing descendant combinator, '/deep/' (aka '>>>'))
/deep/ is being removed in  issue 489954 .

Regardless of what we do there, all Chrome WebUI should be updated to not rely on deprecated features.  

Hayato, if you're serious about removing /deep/ can you look into removing all our internal usage in Chrome UI first?  Normally that's a requirement before adding a deprecation warning (can't really expect random web developers to change their code before we've even done so ourselves).

Comment 2 by rbyers@chromium.org, Jan 18 2017

Summary: Devtools security page relies on Shadow-Piercing descendant combinator, '/deep/' (was: Devtools security page relies on Shadow-Piercing descendant combinator, '/deep/' (aka '>>>'))

Comment 3 by rbyers@chromium.org, Jan 18 2017

Components: -Platform>DevTools>Security UI>Browser>WebUI
Summary: chrome://help relies on Shadow-Piercing descendant combinator, '/deep/' (was: Devtools security page relies on Shadow-Piercing descendant combinator, '/deep/')
Whoops sorry this isn't the devtools page,but chrome://help

Comment 4 by hayato@chromium.org, Jan 19 2017

Mergedinto: 498405
Status: Duplicate (was: Unconfirmed)
Let me merge this into 498405.

Yeah, we should remove all internal usage of will-be-deprecated features at first before adding a deprecation warning and require web developers to stop to use it.

From the next time, maybe in deprecating Shadow DOM v0 itself, I should be more careful.
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