Drop (empty) virtual destructor from Iterable<> class

It's not needed, and needlessly taints garbage collected sub-classes such
that they need to be marked as "finalized".

BUG=432683

Review URL: https://codereview.chromium.org/848953003

git-svn-id: svn://svn.chromium.org/blink/trunk@188636 bbb929c8-8fbe-4397-9dbb-9b2b20218538
2 files changed
tree: df696037ec7f2950424efb490af5e1e62e85194c
  1. third_party/