Relanding Generate localhost candidate when no STUN/TURN and portallocator has the right flag spefi…

talk/app/webrtc/peerconnectioninterface.h

Index: talk/app/webrtc/peerconnectioninterface.h
diff --git a/talk/app/webrtc/peerconnectioninterface.h b/talk/app/webrtc/peerconnectioninterface.h
index ac6280fc24b54045e5f9f8750b3fcddff952ffcb..b3a56006d41f7946e5da39823a2a9d47606e0c9c 100644
--- a/talk/app/webrtc/peerconnectioninterface.h
+++ b/talk/app/webrtc/peerconnectioninterface.h
@@ -237,6 +237,9 @@ class PeerConnectionInterface : public rtc::RefCountInterface {
     // TODO(pthatcher): Rename this ice_servers, but update Chromium
     // at the same time.
     IceServers servers;
+    // A localhost candidate is signaled whenever a candidate with the any
+    // address is allocated.
+    bool enable_localhost_ice_candidate;
     BundlePolicy bundle_policy;
     RtcpMuxPolicy rtcp_mux_policy;
     TcpCandidatePolicy tcp_candidate_policy;
@@ -245,6 +248,7 @@ class PeerConnectionInterface : public rtc::RefCountInterface {
 
     RTCConfiguration()
         : type(kAll),
+          enable_localhost_ice_candidate(false),
           bundle_policy(kBundlePolicyBalanced),
           rtcp_mux_policy(kRtcpMuxPolicyNegotiate),
           tcp_candidate_policy(kTcpCandidatePolicyEnabled),