GitLab

V8TypeAsString was passing nullptr to the ConvertFromV8 function, so now
we always pass the isolate. Also adds a DCHECK to ensure that V8ToString
to ConvertFromV8 to ensure it's always passed a non-null Isolate.

Bug: 866767
Change-Id: I715396f309a0c49e4c6bc6ade14b5f0aad8befec
Reviewed-on: https://chromium-review.googlesource.com/1148209Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Commit-Queue: Dan Elphick <delphick@chromium.org>
Cr-Commit-Position: refs/heads/master@{#577597}