Fix 64 bit truncations in renderer/modules.

Fix a few last truncation errors.

BUG=879657

Change-Id: I75339fe7a46efa336bdaa91c73c21a5c673b32f3
Reviewed-on: https://chromium-review.googlesource.com/c/1355856
Reviewed-by: Jeremy Roman <jbroman@chromium.org>
Reviewed-by: Kentaro Hara <haraken@chromium.org>
Commit-Queue: Dave Tapuska <dtapuska@chromium.org>
Cr-Commit-Position: refs/heads/master@{#612462}
3 files changed