Fix the hostname used to setup a TURN/TSL connection.

BUG=https://code.google.com/p/webrtc/issues/detail?id=3601

Review URL: https://codereview.chromium.org/466843002

Cr-Commit-Position: refs/heads/master@{#289972}
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@289972 0039d316-1c4b-4281-b951-d872f2087c98

content/browser/renderer_host/p2p/socket_host_tcp.cc

@@ -186,16 +186,16 @@ void P2PSocketHostTcpBase::StartTls() {
   // Default ssl config.
   const net::SSLConfig ssl_config;
   net::HostPortPair dest_host_port_pair;
-  if (remote_address_.ip_address.address().empty()) {
-    DCHECK(!remote_address_.hostname.empty());
-    dest_host_port_pair = net::HostPortPair::FromString(
-        remote_address_.hostname);
+
+  // Calling net::HostPortPair::FromIPEndPoint will crash if the IP address is
+  // empty.
+  if (!remote_address_.ip_address.address().empty()) {
+      net::HostPortPair::FromIPEndPoint(remote_address_.ip_address);
   } else {
-    dest_host_port_pair = net::HostPortPair::FromIPEndPoint(
-        remote_address_.ip_address);
-    if (!remote_address_.hostname.empty())
-      dest_host_port_pair.set_host(remote_address_.hostname);
+    dest_host_port_pair.set_port(remote_address_.ip_address.port());
   }
+  if (!remote_address_.hostname.empty())
+    dest_host_port_pair.set_host(remote_address_.hostname);
 
   net::ClientSocketFactory* socket_factory =
       net::ClientSocketFactory::GetDefaultFactory();

content/renderer/p2p/ipc_socket_factory.cc

@@ -235,18 +235,24 @@ bool IpcPacketSocket::Init(P2PSocketType type,
   }
 
   net::IPEndPoint remote_endpoint;
-  if (!remote_address.IsNil() && !jingle_glue::SocketAddressToIPEndPoint(
-      remote_address, &remote_endpoint) && !IsTcpClientSocket(type_)) {
-    // Non TCP sockets must have a resolved remote address.
-    return false;
+  if (!remote_address.IsNil()) {
+    DCHECK(IsTcpClientSocket(type_));
+
+    if (remote_address.IsUnresolvedIP()) {
+      remote_endpoint =
+          net::IPEndPoint(net::IPAddressNumber(), remote_address.port());
+    } else {
+      if (!jingle_glue::SocketAddressToIPEndPoint(remote_address,
+                                                  &remote_endpoint)) {
+        return false;
+      }
+    }
   }
 
   // We need to send both resolved and unresolved address in Init. Unresolved
   // address will be used in case of TLS for certificate hostname matching.
   // Certificate will be tied to domain name not to IP address.
-  std::string remote_hostname = remote_address.hostname() + ":" +
-      remote_address.PortAsString();
-  P2PHostAndIPEndPoint remote_info(remote_hostname, remote_endpoint);
+  P2PHostAndIPEndPoint remote_info(remote_address.hostname(), remote_endpoint);
 
   client->Init(type, local_endpoint, remote_info, this);