Move the chromium specific QUIC end-to-end tests from net/quic/core
to net/quic/chromium and make them cross-platform.

BUG=641709

Review-Url: https://codereview.chromium.org/2295473002
Cr-Commit-Position: refs/heads/master@{#415449}
7 files changed