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

content/renderer/p2p/ipc_network_manager.h

Index: content/renderer/p2p/ipc_network_manager.h
diff --git a/content/renderer/p2p/ipc_network_manager.h b/content/renderer/p2p/ipc_network_manager.h
index 40e631ab5d1fd73475eb730431b4ae657429852d..c2ee02b7afdfa9e12b3d1f430cc77b27cdeacbc7 100644
--- a/content/renderer/p2p/ipc_network_manager.h
+++ b/content/renderer/p2p/ipc_network_manager.h
@@ -14,6 +14,10 @@
 #include "content/renderer/p2p/network_list_observer.h"
 #include "third_party/webrtc/base/network.h"
 
+namespace net {
+class IPAddress;
+}
+
 namespace content {
 
 // IpcNetworkManager is a NetworkManager for libjingle that gets a
@@ -32,8 +36,8 @@ class IpcNetworkManager : public rtc::NetworkManagerBase,
   // P2PSocketDispatcher::NetworkListObserver interface.
   void OnNetworkListChanged(
       const net::NetworkInterfaceList& list,
-      const net::IPAddressNumber& default_ipv4_local_address,
-      const net::IPAddressNumber& default_ipv6_local_address) override;
+      const net::IPAddress& default_ipv4_local_address,
+      const net::IPAddress& default_ipv6_local_address) override;
 
  private:
   void SendNetworksChangedSignal();