Rename FrameDestructionObserver to LocalFrameLifecycleObserver.

Renamed so as to be consistent with the naming of other lifecycle
observers.

R=haraken
BUG=462949

Review URL: https://codereview.chromium.org/1026253002

git-svn-id: svn://svn.chromium.org/blink/trunk@192418 bbb929c8-8fbe-4397-9dbb-9b2b20218538
23 files changed
tree: 6a3b05ec81948aa13ff278ccbe6102aa36516a8f
  1. third_party/