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Issue 675253 link

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Issue metadata

Status: Fixed
Owner:
Closed: Jan 2017
Components:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 3
Type: Bug
Team-Security-UX



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Interstitial buttons are blurry on some Android phones

Project Member Reported by lgar...@chromium.org, Dec 16 2016

Issue description

Chrome Version: 55.0.2883.91 (also on 57.0.2952.0)
OS: Android 4.4.4
Device: MITO A33

What steps will reproduce the problem?
(1) Visit expired.badssl.com

What is the expected result?
The "BACK TO SAFETY" button and "ADVANCED" link are as clear as the rest of the UI.

What happens instead?
They are blurry (see screenshot).

edwardjung@: Is this expected behaviour, or is there a chance our CSS assumes a high-DPI screen?

 
Screenshot_2016-12-16-14-58-25.png
68.7 KB View Download
Weird, there is no high dpi specifics about the buttons. It's just text and background colour. 

I'll need to find a low end device to test this on.  
Did some tests on a Nexus S and seems like the faded gradient background on the buttons is causing the blurring. The way around this is to use a backface-visibility:hidden / transform:translateZ(0) hack which removes the anti aliasing.

I'll need to test to see if there are any side effects on other devices. 
Project Member

Comment 3 by bugdroid1@chromium.org, Jan 9 2017

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/7672560cf0381ad1743d86bb37ce5999127e9d59

commit 7672560cf0381ad1743d86bb37ce5999127e9d59
Author: edwardjung <edwardjung@chromium.org>
Date: Mon Jan 09 23:12:25 2017

Fix blurred reload button on security intersitials for low end devices

BUG= 675253 

Review-Url: https://codereview.chromium.org/2618303002
Cr-Commit-Position: refs/heads/master@{#442393}

[modify] https://crrev.com/7672560cf0381ad1743d86bb37ce5999127e9d59/components/security_interstitials/core/browser/resources/interstitial_v2.css

Status: Fixed (was: Assigned)

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