NSS: Make cert import helper functions take the slot as an argument.

BUG=218643

Review URL: https://codereview.chromium.org/99333016

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@239933 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 239933
Roll leveldb to r78 / 1.15.

changes that affect chrome:
- Fix for at least one cause of missing-files corruption: compaction errors now
  immediately put the database into readonly mode instead of attempting
  sophisticated recovery that was incompatible with Chromium's Env
  implementation.
- Database will enter readonly mode when when a synchronous log write
  succeeds but the sync fails.

BUG=239999
R=jsbell@chromium.org

Review URL: https://codereview.chromium.org/111953003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@239934 0039d316-1c4b-4281-b951-d872f2087c98
Update .DEPS.git

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@239935 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 239935