coverage_posix.py: use proper root directory for Linux now that
compile paths are not absolute.

genhtml: be more tolerant of "source file" names like
"effective_tld_names_unittest2.gperf".

Review URL: http://codereview.chromium.org/523031

git-svn-id: http://src.chromium.org/svn/trunk/src/third_party/lcov@35410 4ff67af0-8c30-449e-8e8b-ad334ec8d88c
1 file changed