Confirming the issue is able to reproduce on Windows 7 using chrome latest M50-50.0.2661.37. Observed the boxes are visible instead of drop down arrows under  "No throttling".

Sunitha@: Could you please update the bisect tool result here.

Thank you!

CHANGELOG URL:

https://chromium.googlesource.com/chromium/src/+log/7a9491ee5f3b767409b3d15923015f3c3f069c12..1c5a91494d8f96fb5c59029af46e0d39a781ee59


unable to find the suspect from the above log, please help in re-assigning the issue.

dgozman@: Could you please take a look and update this stable blocker issue.

Just to update, able to reproduce the issue on Latest Canary# 51.0.2692.0 on Windows.
dgozman@: Could you please take a look and update the issue.
Thanks in Advance.

A friendly reminder that M50 Stable is launching soon! Your bug is labelled as Stable ReleaseBlock, pls make sure to land the fix and get it merged into the release branch by Apr-5. All changes MUST be merged into the release branch by 5pm on Apr-8 to make into the desktop Stable final build cut. Thanks!

dgozman@: Could you please take a look and update the issue.

This issue shouldn't really block M50 Stable release, hence removing 'RBS' label. Please feel free to update the thread if someone feels otherwise.

Thank you!

I think this is essential for M50. Fix is already there: https://codereview.chromium.org/1833423003/.

sure, thank you for the update.

M50 Stable is launching very soon! Your bug is labelled as Stable ReleaseBlock, pls make sure to land the fix and get it merged ASAP. All changes MUST be merged into the release branch by 5pm on Apr-8 to make into the desktop Stable final build cut. Thanks!

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/c5a4252280d913211820b606c3e5bc6205a779dd

commit c5a4252280d913211820b606c3e5bc6205a779dd
Author: dgozman <dgozman@chromium.org>
Date: Mon Apr 04 21:58:52 2016

[DevTools] Use plain text for network conditions menu.

Fancy unicode symbols don't work on windows context menu.

BUG= 595247 

Review URL: https://codereview.chromium.org/1833423003

Cr-Commit-Position: refs/heads/master@{#385022}

[modify] https://crrev.com/c5a4252280d913211820b606c3e5bc6205a779dd/third_party/WebKit/Source/devtools/front_end/components/NetworkConditionsSelector.js

This is working fine on windows 7 using 51.0.2701.0(attached screen shot for reference) and still an issue on 50.0.2661.66.
dgozman@ : Could you please review and request a merge to M50 if its working fine.

Deleted: 595247_April_7.png 71.7 KB

	595247_April_7.png 71.7 KB View Download

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/b7651316aee06135c6d60b419742462e9d4ad22b

commit b7651316aee06135c6d60b419742462e9d4ad22b
Author: dgozman <dgozman@chromium.org>
Date: Fri Apr 08 02:57:11 2016

[DevTools] Fix bad unicode symbols in network conditions.

One more place has to be udpated.

BUG= 595247 
TBR=pfeldman

Review URL: https://codereview.chromium.org/1872693002

Cr-Commit-Position: refs/heads/master@{#385951}

[modify] https://crrev.com/b7651316aee06135c6d60b419742462e9d4ad22b/third_party/WebKit/Source/devtools/front_end/components/NetworkConditionsSelector.js

Verified per #c15, requesting merge to M50.

Merge approved for M50 (branch 2661). Pls go ahead merge.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/cd487f59e9ed30b60c1b11eb52e867ba94c975dc

commit cd487f59e9ed30b60c1b11eb52e867ba94c975dc
Author: Dmitry Gozman <dgozman@chromium.org>
Date: Sat Apr 09 00:31:37 2016

[DevTools] Use plain text for network conditions menu.

Fancy unicode symbols don't work on windows context menu.

BUG= 595247 

Review URL: https://codereview.chromium.org/1833423003

Cr-Commit-Position: refs/heads/master@{#385022}
(cherry picked from commit c5a4252280d913211820b606c3e5bc6205a779dd)
TBR=dgozman

Review URL: https://codereview.chromium.org/1877593002 .

Cr-Commit-Position: refs/branch-heads/2661@{#540}
Cr-Branched-From: ef6f6ae5e4c96622286b563658d5cd62a6cf1197-refs/heads/master@{#378081}

[modify] https://crrev.com/cd487f59e9ed30b60c1b11eb52e867ba94c975dc/third_party/WebKit/Source/devtools/front_end/components/NetworkConditionsSelector.js

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/d66333a063be4f1bfe37bd22228a42844339c9a9

commit d66333a063be4f1bfe37bd22228a42844339c9a9
Author: Dmitry Gozman <dgozman@chromium.org>
Date: Sat Apr 09 00:35:57 2016

[DevTools] Fix bad unicode symbols in network conditions.

One more place has to be udpated.

BUG= 595247 
TBR=pfeldman

Review URL: https://codereview.chromium.org/1872693002

Cr-Commit-Position: refs/heads/master@{#385951}
(cherry picked from commit b7651316aee06135c6d60b419742462e9d4ad22b)
TBR=pfeldman

Review URL: https://codereview.chromium.org/1875843003 .

Cr-Commit-Position: refs/branch-heads/2661@{#541}
Cr-Branched-From: ef6f6ae5e4c96622286b563658d5cd62a6cf1197-refs/heads/master@{#378081}

[modify] https://crrev.com/d66333a063be4f1bfe37bd22228a42844339c9a9/third_party/WebKit/Source/devtools/front_end/components/NetworkConditionsSelector.js

Tested the issue on windows 7 using chrome version 50.0.2661.75.Not observed any boxes in "No throttling" drop down.
Please find the attached screen cast for the same.

Adding TE-Verified label.

Thanks,

Deleted: 595247.mp4 851 KB

595247.mp4 851 KB Download