Add DumpWithoutCrashing and crash keys to get more context
for RFMF_SET_COOKIE_BAD_ORIGIN and RFMF_GET_COOKIES_BAD_ORIGIN
renderer kills.

This is all temporary code, which will be reverted after we understand
the issue.

BUG=600441
TEST=RenderFrameMessageFilterBrowserTest.CrossSiteCookieSecurityEnforcement
CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:linux_site_isolation

Review-Url: https://codereview.chromium.org/1855383002
Cr-Commit-Position: refs/heads/master@{#391396}
4 files changed