Catching more errors when parsing ICE server URLs.

talk/app/webrtc/peerconnection.h

Index: talk/app/webrtc/peerconnection.h
diff --git a/talk/app/webrtc/peerconnection.h b/talk/app/webrtc/peerconnection.h
index e996132df0472cda1cbd0a3d93b687df7164de35..8a8701931acf69a53ed4da98f59270058d534048 100644
--- a/talk/app/webrtc/peerconnection.h
+++ b/talk/app/webrtc/peerconnection.h
@@ -48,6 +48,12 @@ typedef std::vector<PortAllocatorFactoryInterface::StunConfiguration>
 typedef std::vector<PortAllocatorFactoryInterface::TurnConfiguration>
     TurnConfigurations;
 
+// Parses the URLs for each server in |servers| to build |stun_config| and
+// |turn_config|.
+bool ParseIceServers(const PeerConnectionInterface::IceServers& servers,
+                     StunConfigurations* stun_config,
+                     TurnConfigurations* turn_config);
+
 // PeerConnection implements the PeerConnectionInterface interface.
 // It uses MediaStreamSignaling and WebRtcSession to implement
 // the PeerConnection functionality.