This CL adds a browsertest to ensure that performance.memory is not bucketized
when sites are isolated.
Change-Id: Icd6b1ee73a5f4e03f9e27c5f60d0cf741f66ba5c
Reviewed-on: https://chromium-review.googlesource.com/1106306
Reviewed-by: Charlie Reis <creis@chromium.org>
Commit-Queue: Nicolás Peña Moreno <npm@chromium.org>
Cr-Commit-Position: refs/heads/master@{#570853}
