Update to build against libchrome-271506. BUG=chromium:375032 TEST=`USE='gdmwimax wimax' FEATURES=test emerge-$BOARD platform2` Change-Id: I054723b3c67f22cc33d1395aa8e84e868be4e35e Reviewed-on: https://chromium-review.googlesource.com/201006 Tested-by: Ben Chan <benchan@chromium.org> Commit-Queue: Ben Chan <benchan@chromium.org> Reviewed-by: Daniel Erat <derat@chromium.org>