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Issue 656002 link

Starred by 1 user
Status: WontFix
Owner: ----
Closed: Oct 2016
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 2
Type: Compat



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Chrome blocks Flash plugin

Reported by andro...@gmail.com, Oct 14 2016 
UserAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/602.1.50 (KHTML, like Gecko) Version/10.0 Safari/602.1.50

Example URL:
ok.ru

Steps to reproduce the problem:
1.  open ok.ru

What is the expected behavior?
Flash is working correctly

What went wrong?
Chrome says iAdobe Flash Player were blocked by some reason

Does it occur on multiple sites: N/A

Is it a problem with a plugin? N/A 

Did this work before? Yes 52

Does this work in other browsers? N/A

Chrome version: 54.0.2840.59  Channel: stable
OS Version: 7
Flash Version: 23.0.0.185
screen.png
235 KB View Download

Comment 1 by andro...@gmail.com, Oct 20 2016 

Since ok.ru requires authorisation, you may use the following credentials:
login chromium656002
password flashplugin

Comment 2 by andro...@gmail.com, Oct 20 2016 

After successful login, you will see info about Adobe Flash Plugin, as I said before.
Also, It affects Music functionality, if you click 'Music' in toolbar panel
2016-10-20+17-28-14.png
69.8 KB View Download

Comment 3 by lafo...@chromium.org, Oct 21 2016

Status: WontFix (was: Unconfirmed)
[Marking as WontFix, since this appears to be intended behavior - blocking small cross domain Flash content, consistent with what was announced in May, 2016(1)]

Looking at the video page, it appears that they run into an issue when they attempt to load an ad (w/ Flash Player enabled/ main body content unblocked).  They likely are relying on a small Flash pixel to determine whether or not their ads are on the screen and blocking video playback based on that (since we block tiny Flash content as of Chrome 53).

Once Flash Player is disabled, the HTML5 variant of the site pops to life and the video plays back perfectly.

My suggestion, would be that they explore using the Intersection Observer API (2) to test for viewability of Ad content, and perhaps make the switch to a default HTML5 experience (since that appears to work very well).

(1) - https://groups.google.com/a/chromium.org/forum/#!msg/chromium-dev/QL2K4yFVg_U/EoWVJoqaAwAJ
(2) - https://developer.mozilla.org/en-US/docs/Web/API/Intersection_Observer_API
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