Merge M43: Enable appcontainer on M43

Reverted appcontainer mini-dump creation. As we would have received sufficient crash reports for analysis, reverting.

BUG=468922, 473715, 455496
R=cpu@chromium.org, jschuh@chromium.org, cpu, wfh

Review URL: https://codereview.chromium.org/1077913002

Cr-Commit-Position: refs/heads/master@{#324566}
(cherry picked from commit 55c2f2365e41a170f37ed56d13ced4ef054abffa)

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, 455496

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

Cr-Commit-Position: refs/heads/master@{#324348}
(cherry picked from commit 9203ef8157d4d47970dd0255d7de009697618bb2)

Review URL: https://codereview.chromium.org/1149143002

Cr-Commit-Position: refs/branch-heads/2357@{#426}
Cr-Branched-From: 59d4494849b405682265ed5d3f5164573b9a939b-refs/heads/master@{#323860}
2 files changed