Revert of Remove candidates when doing continual gathering

webrtc/api/peerconnection.cc

Index: webrtc/api/peerconnection.cc
diff --git a/webrtc/api/peerconnection.cc b/webrtc/api/peerconnection.cc
index 9cd5cee04d512886cac2278e36886e848efacfbd..c2039aeea414321e612e461d635df72e486904a3 100644
--- a/webrtc/api/peerconnection.cc
+++ b/webrtc/api/peerconnection.cc
@@ -1207,12 +1207,6 @@
   return session_->ProcessIceMessage(ice_candidate);
 }
 
-bool PeerConnection::RemoveIceCandidates(
-    const std::vector<cricket::Candidate>& candidates) {
-  TRACE_EVENT0("webrtc", "PeerConnection::RemoveIceCandidates");
-  return session_->RemoveRemoteIceCandidates(candidates);
-}
-
 void PeerConnection::RegisterUMAObserver(UMAObserver* observer) {
   TRACE_EVENT0("webrtc", "PeerConnection::RegisterUmaObserver");
   uma_observer_ = observer;
@@ -1391,12 +1385,6 @@
   observer_->OnIceCandidate(candidate);
 }
 
-void PeerConnection::OnIceCandidatesRemoved(
-    const std::vector<cricket::Candidate>& candidates) {
-  RTC_DCHECK(signaling_thread()->IsCurrent());
-  observer_->OnIceCandidatesRemoved(candidates);
-}
-
 void PeerConnection::OnIceConnectionReceivingChange(bool receiving) {
   RTC_DCHECK(signaling_thread()->IsCurrent());
   observer_->OnIceConnectionReceivingChange(receiving);