Revert "Revert of Revert of Issue FrameDestructionObserver::frameDestroyed() notification on detach. (patchset #1 id:1 of https://codereview.chromium.org/896103002/)"

This reverts commit b66d223c1aca5ca01eb08d93dc1f5687584cd147.

This CL is suspect wrt the ChromeOS test failure as outlined in

  https://codereview.chromium.org/890243003/#msg6

reverting to ensure that that issue is taken care of; see
https://code.google.com/p/chromium/issues/detail?id=455161

TBR=noel@chromium.org
BUG=446452
NOTRY=true

Review URL: https://codereview.chromium.org/896523004

git-svn-id: svn://svn.chromium.org/blink/trunk@189478 bbb929c8-8fbe-4397-9dbb-9b2b20218538
5 files changed
tree: c3980a95434617f38ddaeb052f7aec18b5ba1486
  1. third_party/