tree d63ddcff40e3b7ee560217dd1b3f895f34f66473
parent 1783f169d97794e1a0d50ec5af8fa586aa41f206
author nisse <nisse@webrtc.org> 1485862441 -0800
committer Commit bot <commit-bot@chromium.org> 1485862441 +0000

Add override declarations to PeerConnectionObserver subclasses, and delete obsolete methods.

BUG=None

Review-Url: https://codereview.webrtc.org/2660223002
Cr-Commit-Position: refs/heads/master@{#16374}