Backed out 7 changesets (bug 935228, bug 936143, bug 935470, bug 933882, bug 934799) for breaking ASAN browser-chrome tests on a CLOSED TREE

Backed out changeset ae6f2151610f (bug 934799)
Backed out changeset 82495f0c5da2 (bug 934799)
Backed out changeset 77be849d81e7 (bug 935228)
Backed out changeset 555e5759fe5f (bug 935470)
Backed out changeset ce4011f33422 (bug 933882)
Backed out changeset e13e98eab890 (bug 936143)
Backed out changeset fb230c191a88 (bug 936143)