net: Change auto to not deduce raw pointers.

net/base/ip_address_unittest.cc

Index: net/base/ip_address_unittest.cc
diff --git a/net/base/ip_address_unittest.cc b/net/base/ip_address_unittest.cc
index 09ff7451367dbcc553972bb3be46949d3c488ac7..b7a04ad213f3aedd5937dd8abe7a7f272436a623 100644
--- a/net/base/ip_address_unittest.cc
+++ b/net/base/ip_address_unittest.cc
@@ -504,7 +504,7 @@ TEST(IPAddressTest, ParseCIDRBlock_Invalid) {
                                       "192.168.1.1/ +1",
                                       "192.168.1.1/"};
 
-  for (const auto& bad_literal : bad_literals) {
+  for (auto* bad_literal : bad_literals) {
     IPAddress ip_address;
     size_t prefix_length_in_bits;