GitLab

Thanks to the change in V8 to make external reference table optional,
we can always use v8_context_snapshot.bin on platforms where it is
avaiable.

This CL sets the file as the default snapshot blob, and removes
setting snapshot in Isolate::CreateParam.


Bug: 764576, 789964
Change-Id: I16654eef810efcd0103e9a29659f4616c61f790b
Reviewed-on: https://chromium-review.googlesource.com/802654
Commit-Queue: Hitoshi Yoshida <peria@chromium.org>
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Reviewed-by: Kentaro Hara <haraken@chromium.org>
Cr-Commit-Position: refs/heads/master@{#522662}