Version: 54.0.2835.0 dev
OS: Ubuntu 14.04, windows

What steps will reproduce the problem?
(1) Launch chrome and make sure you have 2-3 history entries >> Select those history entries to delete >> Open devtools and emulate >> Now click on delete button in emulated view then remove button and observe. 

Expected: Should be able to delete history entries even in emulated view.
Actual: Instead unable to delete entries in emulated view and selection of entries remain as it is

NOTE-1: Close devtools >> Try deselecting and selecting those entries >> Now try removing by clicking delete button and observe

NOTE-2: Sometimes Uncaught RangeError: <item> not found
    at HTMLElement._getNormalizedItem (chrome://history/app.crisper.js:7736:19)
    at HTMLElement._getPhysicalIndex (chrome://history/app.crisper.js:7845:69)
    at HTMLElement._didFocus (chrome://history/app.crisper.js:7927:54) error is seen in console of devtools while deleting

Good Build: 54.0.2826.0 dev
Bad Build: 54.0.2827.0 dev

CHANGELOG URL:
  https://chromium.googlesource.com/chromium/src/+log/6554045543b20db3e810925f3cda0f0d93e4bae6..3e1eed893f3fe23256d5c418eecfc72ddd95fb8b

Suspecting  https://codereview.chromium.org/2207323002 from changelog

@Calamity: Please confirm the behaviour and help in re-assigning if it is not related to your change.
 

Deleted: Actual_history del.ogv 1.5 MB

	Actual_history del.ogv 1.5 MB View Download