Switch blink_web_tests to generate_wrapper gn template.

Bug: 816629,897803
Change-Id: I58eac925dafb827385694cccad758699977c23ac
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1583125
Commit-Queue: John Budorick <jbudorick@chromium.org>
Reviewed-by: Dirk Pranke <dpranke@chromium.org>
Cr-Commit-Position: refs/heads/master@{#654033}
3 files changed