[webapi][XWALK-1214] Create 16 tests for Native Client (NaCl)

- Tizen IVI doesn't support input type (file)
- Tizen IVI doesn't support gamepad API
- Press F11 will also revoke mouselock or tab fullscreen privilege when in browser fullscreen, but got failed.
- Implementation: https://github.com/crosswalk-project/crosswalk/pull/1801

Impacted tests (approved): new 16, update 0, delete 0
Unit test Platform: Tizen IVI
Unit test result summary: pass 8, fail 3, block 5