Change IPEndpoint::address() to return a net::IPAddress

net/http/http_cache_transaction.cc

Index: net/http/http_cache_transaction.cc
diff --git a/net/http/http_cache_transaction.cc b/net/http/http_cache_transaction.cc
index 3b9f28dc30c8a42ceae09cd575916a131491e980..cb9c5eec6ea503a0a2a5241c4740176f17cc58ac 100644
--- a/net/http/http_cache_transaction.cc
+++ b/net/http/http_cache_transaction.cc
@@ -604,7 +604,7 @@ bool HttpCache::Transaction::GetRemoteEndpoint(IPEndPoint* endpoint) const {
   if (network_trans_)
     return network_trans_->GetRemoteEndpoint(endpoint);
 
-  if (!old_remote_endpoint_.address().empty()) {
+  if (!old_remote_endpoint_.address_number().empty()) {
     *endpoint = old_remote_endpoint_;
     return true;
   }