version M53.0.2768.0 canary
Platform 8475 clapper
Input tools version: 6.6.7.3

 
REPRO STEPS:
1.Switch to Google Japanese input (for US or Japanese) keyboard 
2.Select Direct input mode
3.Focus any input area, open keyboard 
4.Touch any key

ActualResult:
No any response , no any word is submitted ;