The reason is that there might be implementations that do not want to implement all methods. To allow easier modification of the RtcEventLog interface, allow these implementation to inherit the RtcEventLogNullImpl implementation. BUG=none Review-Url: https://codereview.webrtc.org/2903003002 Cr-Commit-Position: refs/heads/master@{#18298}
Name: WebRTC URL: http://www.webrtc.org Version: 90 License: BSD License File: LICENSE Description: WebRTC provides real time voice and video processing functionality to enable the implementation of PeerConnection/MediaStream. Third party code used in this project is described in the file LICENSE_THIRD_PARTY.