Yes I do, the state is just not persisted.

Pending CL: https://chromium-review.googlesource.com/c/chromium/src/+/704716

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/0502f56e5ba44fdd5c10ffaeb4f863979c692efe

commit 0502f56e5ba44fdd5c10ffaeb4f863979c692efe
Author: Becca Hughes <beccahughes@chromium.org>
Date: Thu Oct 12 16:19:14 2017

Media Controls: Mute / unmute icon should toggle.

Icons are updated by the "UpdateDisplayState" function which
was not being called on the child overflow elements. Now if the
parent updates it's display type we will update the display state
of the child overflow element too.

BUG= 771949 

Change-Id: I383cb5095e7841c1ff63b5af142b7cac9364986e
Reviewed-on: https://chromium-review.googlesource.com/704716
Commit-Queue: Becca Hughes <beccahughes@chromium.org>
Reviewed-by: Mounir Lamouri <mlamouri@chromium.org>
Cr-Commit-Position: refs/heads/master@{#508363}
[modify] https://crrev.com/0502f56e5ba44fdd5c10ffaeb4f863979c692efe/third_party/WebKit/Source/modules/media_controls/elements/MediaControlCastButtonElement.cpp
[modify] https://crrev.com/0502f56e5ba44fdd5c10ffaeb4f863979c692efe/third_party/WebKit/Source/modules/media_controls/elements/MediaControlCastButtonElement.h
[modify] https://crrev.com/0502f56e5ba44fdd5c10ffaeb4f863979c692efe/third_party/WebKit/Source/modules/media_controls/elements/MediaControlInputElement.cpp
[modify] https://crrev.com/0502f56e5ba44fdd5c10ffaeb4f863979c692efe/third_party/WebKit/Source/modules/media_controls/elements/MediaControlInputElement.h
[modify] https://crrev.com/0502f56e5ba44fdd5c10ffaeb4f863979c692efe/third_party/WebKit/Source/modules/media_controls/elements/MediaControlMuteButtonElement.cpp
[modify] https://crrev.com/0502f56e5ba44fdd5c10ffaeb4f863979c692efe/third_party/WebKit/Source/modules/media_controls/elements/MediaControlOverlayPlayButtonElement.cpp
[modify] https://crrev.com/0502f56e5ba44fdd5c10ffaeb4f863979c692efe/third_party/WebKit/Source/modules/media_controls/elements/MediaControlPlayButtonElement.cpp
[modify] https://crrev.com/0502f56e5ba44fdd5c10ffaeb4f863979c692efe/third_party/WebKit/Source/modules/media_controls/elements/MediaControlToggleClosedCaptionsButtonElement.cpp

Verified in M64-64.0.3243.0.
Not see the icons before overflow options like in the attached screen shot.

Here I am attaching the testing screenshot

Deleted: Overflowicons.png 393 KB

	Overflowicons.png 393 KB View Download

You need the "Icons on Media Controls Overflow Menu" enabled in chrome://flags