Chrome Version: (copy from chrome://version)
OS: M70, M71

What steps will reproduce the problem?
(1) Open VK, switch handwriting mode.
(2) Drawing a stroke then move cursor into a key.


What is the expected result?
Do nothing.

What happens instead?
The key was pressed.



Please use labels and text to provide additional information.

If this is a regression (i.e., worked before), please consider using the
bisect tool (https://www.chromium.org/developers/bisect-builds-py) to help
us identify the root cause and more rapidly triage the issue.

For graphics-related bugs, please copy/paste the contents of the about:gpu
page at the end of this report.