Update Chrome to .4 for dev rc

BUG=None
TEST=None

Change-Id: I2501947102656a6aad77a4427b693df812dbb63f
Reviewed-on: https://chromium-review.googlesource.com/212358
Reviewed-by: Josafat Garcia <josafat@chromium.org>
Commit-Queue: Josafat Garcia <josafat@chromium.org>
Tested-by: Josafat Garcia <josafat@chromium.org>
diff --git a/chromeos-base/chromeos-chrome/chromeos-chrome-38.0.2121.3_rc-r1.ebuild b/chromeos-base/chromeos-chrome/chromeos-chrome-38.0.2121.4_rc-r1.ebuild
similarity index 100%
rename from chromeos-base/chromeos-chrome/chromeos-chrome-38.0.2121.3_rc-r1.ebuild
rename to chromeos-base/chromeos-chrome/chromeos-chrome-38.0.2121.4_rc-r1.ebuild