type conversion

Bug: 
Change-Id: I3e2ea55b47044bb43fe60d8287bb28df8f7d2c08
Reviewed-on: https://chromium-review.googlesource.com/608135Reviewed-by: Ivica Bogosavljevic <ivica.bogosavljevic@imgtec.com>
Reviewed-by: Miran Karić <Miran.Karic@imgtec.com>
Commit-Queue: Ivica Bogosavljevic <ivica.bogosavljevic@imgtec.com>
Cr-Commit-Position: refs/heads/master@{#47250}