Expose secure origin state to WebVR renderer

Will enable display of warnings in WebVR for insecure origins

BUG=389343

patch from issue 2361533003 at patchset 20001 (http://crrev.com/2361533003#ps20001)

Review-Url: https://codereview.chromium.org/2374153002
Cr-Commit-Position: refs/heads/master@{#421883}
17 files changed