Port c90c60ba

Original commit message:
    Make sure to always reference it indirectly. This allows us to make the vector
    native-context dependent should we wish.

R=mvstanton@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com, dstence@us.ibm.com
BUG=

Review URL: https://codereview.chromium.org/1381803002

Cr-Commit-Position: refs/heads/master@{#31036}