Remove the potentially-dangerous destructor pattern in ObfuscatedFileUtil by
removing the obsolete derivation from RefCountedThreadSafe.  There's no bug here
yet, but it would be very easy to add one later if we don't clean this up.


BUG=http://code.google.com/p/chromium/issues/detail?id=128942
TEST=none; there's no actual bug there yet.


Review URL: https://chromiumcodereview.appspot.com/10332283

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@138689 0039d316-1c4b-4281-b951-d872f2087c98
7 files changed