UserAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2724.0 Safari/537.36

Example URL:
https://gist.github.com/denisbabineau/37948c81630b6e4e5e2c6f1345543f58

Steps to reproduce the problem:
(Preferred) Load iframe.html content from linked gist in iPhone 6 layout (Dev Tools -> Mobile)
-OR-
(2nd method) load index.html to wrap iframe.html in same dimension frame and display on a monitor with devicePixelRatio = 2 (some multi monitor setups)

What is the expected behavior?

What went wrong?
Some elements are not rendered as expected and/or partially rendered (clipped). See attached screenshots for comparison; notice 1. the switch buttons are missing 2. some text is cropped 3. "On" text is missing.

Does it occur on multiple sites: N/A

Is it a problem with a plugin? No 

Did this work before? Yes 

Does this work in other browsers? Yes 

Chrome version: 52.0.2724.0  Channel: canary
OS Version: OS X 10.10.5
Flash Version: Shockwave Flash 22.0 r0

The provided gist sample is a stripped down static version of our SPA using JQM.

This issue only occurs with canary, rendering is correct with stable channel version.

Chrome version (proper rendering):

Google Chrome	50.0.2661.94 (Official Build) (64-bit)
Revision	0c319c380220abe3daf0277e40a2d0b22a7c4550-refs/branch-heads/2661@{#645}
OS	Mac OS X 
Blink	537.36 (@0c319c380220abe3daf0277e40a2d0b22a7c4550)
JavaScript	V8 5.0.71.39
Flash	21.0.0.216
User Agent	Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.94 Safari/537.36
Command Line	/Applications/Google Chrome.app/Contents/MacOS/Google Chrome --enable-avfoundation --flag-switches-begin --enable-devtools-experiments --flag-switches-end

Canary verison (incorrect rendering):

Google Chrome	52.0.2724.0 (Official Build) canary (64-bit)
Revision	76d17b826d6473ef7a4bb731aa8b8dc05aaa5ab6-refs/heads/master@{#391399}
OS	Mac OS X 
Blink	537.36 (@76d17b826d6473ef7a4bb731aa8b8dc05aaa5ab6)
JavaScript	V8 5.2.216
Flash	22.0.0.137
User Agent	Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2724.0 Safari/537.36
Command Line	/Applications/Google Chrome Canary.app/Contents/MacOS/Google Chrome Canary --flag-switches-begin --flag-switches-end

This issue appears to affect another user/product, see link to forum post below for details.

Originally reported in google forums:
https://productforums.google.com/forum/?utm_medium=email&utm_source=footer#!topic/chrome/o-dtzuMsaz8
 

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	Screen Shot 2016-05-10 at 4.10.27 PM.png 48.8 KB View Download

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	Screen Shot 2016-05-10 at 4.09.41 PM.png 41.6 KB View Download