yeah this was fixed but not merged, should be in m62

omri, do we want this to merged to 61 as well?

Actually, it shouldve been merged here https://chromium-review.googlesource.com/c/chromium/src/+/619451. Let me investigate this tomorrow.

Reproed again with sammiequon@ 61.3163.101. 

It's either an Eve M61 issue, or a hebrew M61 issue. 

Sammiequon@ couldn't see the issue emulating ToT M61 chromeOS on linux.

Re#1 Yes please.

Just repo'ed on a kevin as well, and on ToT (non m61). Working on this now.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/f7fde4b94712922ea68b740dd7e5d0db914b82d3

commit f7fde4b94712922ea68b740dd7e5d0db914b82d3
Author: Sammie Quon <sammiequon@google.com>
Date: Wed Sep 27 21:36:47 2017

vector icon: Switch ordering of transforms in rtl paint vector icon.

Vector icons with FLIPS_IN_RTL get shown. Right now there are only the
submenu arrow and the tablet mode back button which uses this command.
This also only happens when using the 2x icon. The current
transforms applied on rtl 2x icons are:
  - scale down by factor of 2
  - scale by -1
  - translate by the canvas size
This results in the icon being translated out of its bounds and not
being shown. This cl does the scaling down after the translation.

Test: gfx_unittests VectorIconTest.FlipsInRtl
Bug:  769366 ,  768059 
Change-Id: I67e748ea23c9020f13a693546db2fade07e05ae6
Reviewed-on: https://chromium-review.googlesource.com/687826
Reviewed-by: Evan Stade <estade@chromium.org>
Commit-Queue: Sammie Quon <sammiequon@chromium.org>
Cr-Commit-Position: refs/heads/master@{#504776}
[modify] https://crrev.com/f7fde4b94712922ea68b740dd7e5d0db914b82d3/ui/gfx/paint_vector_icon.cc
[modify] https://crrev.com/f7fde4b94712922ea68b740dd7e5d0db914b82d3/ui/gfx/paint_vector_icon_unittest.cc

Approved for 62, but please verify a Chrome with this change makes it through the PFQ before merging back. 

Approving merge for M61.

This issue has been approved for a merge. Please merge the fix to any appropriate branches as soon as possible!

If all merges have been completed, please remove any remaining Merge-Approved labels from this issue.

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 crbug.com/769608  is the one that should get merged

Back button shows up and works for rtl languages, on M64 dev build (10124.0.0, 64.0.3265.0).