Revert of Remove candidates when doing continual gathering

webrtc/api/jsepsessiondescription.cc

Index: webrtc/api/jsepsessiondescription.cc
diff --git a/webrtc/api/jsepsessiondescription.cc b/webrtc/api/jsepsessiondescription.cc
index eb776c86fa7d9bfd3755adac93b4844ad34456d2..b47114b9bcd052979f13a19bdea35d3faae6efc5 100644
--- a/webrtc/api/jsepsessiondescription.cc
+++ b/webrtc/api/jsepsessiondescription.cc
@@ -137,20 +137,6 @@
   return true;
 }
 
-size_t JsepSessionDescription::RemoveCandidates(
-    const std::vector<cricket::Candidate>& candidates) {
-  size_t num_removed = 0;
-  for (auto& candidate : candidates) {
-    int mediasection_index = GetMediasectionIndex(candidate);
-    if (mediasection_index < 0) {
-      // Not found.
-      continue;
-    }
-    num_removed += candidate_collection_[mediasection_index].remove(candidate);
-  }
-  return num_removed;
-}
-
 size_t JsepSessionDescription::number_of_mediasections() const {
   if (!description_)
     return 0;
@@ -198,16 +184,4 @@
   return true;
 }
 
-int JsepSessionDescription::GetMediasectionIndex(
-    const cricket::Candidate& candidate) {
-  // Find the description with a matching transport name of the candidate.
-  const std::string& transport_name = candidate.transport_name();
-  for (size_t i = 0; i < description_->contents().size(); ++i) {
-    if (transport_name == description_->contents().at(i).name) {
-      return static_cast<int>(i);
-    }
-  }
-  return -1;
-}
-
 }  // namespace webrtc