Google Chrome	71.0.3578.21 (Official Build) dev (64-bit)
Revision	a8eaa26553c695bf6c33340d637886b3f1e2c6a9-refs/branch-heads/3578@{#282}
Platform	11151.11.0 (Official Build) dev-channel eve
Firmware Version	Google_Eve.9584.174.0
Customization ID	GOOGLE-EVE
ARC	5086868
JavaScript	V8 7.1.302.6
Flash	31.0.0.122 /opt/google/chrome/pepper/libpepflashplayer.so
OS: chromeos

What steps will reproduce the problem?
(1) Use a pixelbook
(2) Setup external monitor so that it is "above" the built-in LCD
(3) Make sure shelf in on bottom edge of external monitor and does not auto-hide
(4) Start with cursor on external monitor, just above the chrome icon the shelf
(5) Slowly move the cursor down, over the chrome icon, and onto the built-in LCD

What is the expected result?
No tooltip over the chrome icon external monitor.

What happens instead?
Tooltip over the chrome icon on external monitor.  It's almost like cros thinks the cursor is still hovering over the bottom-most pixel of the chrome icon.



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If this is a regression (i.e., worked before), please consider using the
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For graphics-related bugs, please copy/paste the contents of the about:gpu
page at the end of this report.