If keysym is ASCII control or space keys, directly map to keycode instead of go through the fallback maps.

A real case is de(neo) layout, AltGr+V maps to Enter key, so it should map to VKEY_ENTER instead of VKEY_V.

BUG=420544
TEST=Verified on linux_chromeos.

Review URL: https://codereview.chromium.org/664893004

Cr-Commit-Position: refs/heads/master@{#302047}
1 file changed