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 df4cb78fc1de5c0281d66e02f70ad28bff8b505d..44df195688aea2f76ee4e9b20e24a061711be7a2 100644
--- a/talk/app/webrtc/peerconnection.h
+++ b/talk/app/webrtc/peerconnection.h
@@ -47,6 +47,12 @@ 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);
+
 // PeerConnectionImpl implements the PeerConnection interface.
 // It uses MediaStreamSignaling and WebRtcSession to implement
 // the PeerConnection functionality.