Revert of Remove candidates when doing continual gathering

webrtc/p2p/base/candidate.h

Index: webrtc/p2p/base/candidate.h
diff --git a/webrtc/p2p/base/candidate.h b/webrtc/p2p/base/candidate.h
index 11481cdb05a972db4237d3ef961cea6b0bc7e066..afea2a21c7b7f8b8530951a0339c7fc07bbb931c 100644
--- a/webrtc/p2p/base/candidate.h
+++ b/webrtc/p2p/base/candidate.h
@@ -169,12 +169,6 @@
     tcptype_ = tcptype;
   }
 
-  // The name of the transport channel of this candidate.
-  const std::string& transport_name() const { return transport_name_; }
-  void set_transport_name(const std::string& transport_name) {
-    transport_name_ = transport_name;
-  }
-
   // Determines whether this candidate is equivalent to the given one.
   bool IsEquivalent(const Candidate& c) const {
     // We ignore the network name, since that is just debug information, and
@@ -187,13 +181,6 @@
            (related_address_ == c.related_address_);
   }
 
-  // Determines whether this candidate can be considered equivalent to the
-  // given one when looking for a matching candidate to remove.
-  bool MatchesForRemoval(const Candidate& c) const {
-    return component_ == c.component_ && protocol_ == c.protocol_ &&
-           address_ == c.address_;
-  }
-
   std::string ToString() const {
     return ToStringInternal(false);
   }
@@ -235,10 +222,10 @@
     std::ostringstream ost;
     std::string address = sensitive ? address_.ToSensitiveString() :
                                       address_.ToString();
-    ost << "Cand[" << transport_name_ << ":" << foundation_ << ":" << component_
-        << ":" << protocol_ << ":" << priority_ << ":" << address << ":"
-        << type_ << ":" << related_address_ << ":" << username_ << ":"
-        << password_ << ":" << network_cost_ << "]";
+    ost << "Cand[" << foundation_ << ":" << component_ << ":" << protocol_
+        << ":" << priority_ << ":" << address << ":" << type_ << ":"
+        << related_address_ << ":" << username_ << ":" << password_ << ":"
+        << network_cost_ << "]";
     return ost.str();
   }
 
@@ -258,7 +245,6 @@
   rtc::SocketAddress related_address_;
   std::string tcptype_;
   uint32_t network_cost_ = 0;
-  std::string transport_name_;
 };
 
 // Used during parsing and writing to map component to channel name