GitLab

As of crrev.com/531516, all of the WTF counterparts of those base
classes are now simple aliases to the base ones. Now, we can start
using the base classes in Blink.

Bug: 763980, 794845
Change-Id: Ica8d81549ed6d7fd4f56ed03d22562c973e8a00e
Reviewed-on: https://chromium-review.googlesource.com/886041Reviewed-by: Kentaro Hara <haraken@chromium.org>
Reviewed-by: Daniel Cheng <dcheng@chromium.org>
Commit-Queue: Yuta Kitamura <yutak@chromium.org>
Cr-Commit-Position: refs/heads/master@{#531841}