Migrate content/*/p2p/* code to net::IPAddress.

content/browser/renderer_host/p2p/socket_dispatcher_host.h

Index: content/browser/renderer_host/p2p/socket_dispatcher_host.h
diff --git a/content/browser/renderer_host/p2p/socket_dispatcher_host.h b/content/browser/renderer_host/p2p/socket_dispatcher_host.h
index 4615d2efeff8d5486654974a3dd65cdedd20b744..5b4ef05c2c0b597c40c40388271f823e2aa7e07d 100644
--- a/content/browser/renderer_host/p2p/socket_dispatcher_host.h
+++ b/content/browser/renderer_host/p2p/socket_dispatcher_host.h
@@ -94,13 +94,13 @@ class P2PSocketDispatcherHost
 
   void DoGetNetworkList();
   void SendNetworkList(const net::NetworkInterfaceList& list,
-                       const net::IPAddressNumber& default_ipv4_local_address,
-                       const net::IPAddressNumber& default_ipv6_local_address);
+                       const net::IPAddress& default_ipv4_local_address,
+                       const net::IPAddress& default_ipv6_local_address);
 
   // This connects a UDP socket to a public IP address and gets local
   // address. Since it binds to the "any" address (0.0.0.0 or ::) internally, it
   // retrieves the default local address.
-  net::IPAddressNumber GetDefaultLocalAddress(int family);
+  net::IPAddress GetDefaultLocalAddress(int family);
 
   void OnAddressResolved(DnsRequest* request,
                          const net::IPAddressList& addresses);
@@ -117,8 +117,8 @@ class P2PSocketDispatcherHost
   std::set<DnsRequest*> dns_requests_;
   P2PMessageThrottler throttler_;
 
-  net::IPAddressNumber default_ipv4_local_address_;
-  net::IPAddressNumber default_ipv6_local_address_;
+  net::IPAddress default_ipv4_local_address_;
+  net::IPAddress default_ipv6_local_address_;
 
   bool dump_incoming_rtp_packet_;
   bool dump_outgoing_rtp_packet_;