Adding minidump creation when launching renderer process fails in appcontainer mode.
Also reenabled appcontainer for renderer and fixed policy use after free case.

BUG=468922,473715
R=cpu,jschuh@chromium.org, wfh

Review URL: https://codereview.chromium.org/1058373003

Cr-Commit-Position: refs/heads/master@{#324348}
2 files changed