GitLab

libdawn is deprecated and was split in libdawn_proc and dawncpp so each
could be used separately. Make Chromium use the split targets so the
temporary libdawn group used for backwards compatibility can be removed.

BUG=dawn:22

Change-Id: I2db79b5b14c12b10111bd03bf66ca2692c07c200
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1869209Reviewed-by: Kenneth Russell <kbr@chromium.org>
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
Cr-Commit-Position: refs/heads/master@{#707937}