GitLab

The V8 context shouldn't be accessed when generating context independent code.
Convert some string equality operations which require a context to the StringEquals
function which does not.

BUG=chromium:898076

Change-Id: Ia9a01b27fa9fcfc0c19268a3c862f2174eda7e1d
Reviewed-on: https://chromium-review.googlesource.com/c/1301459Reviewed-by: Jochen Eisinger <jochen@chromium.org>
Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#603061}