Avoid heap allocations in IPAddress

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 b7a04ad213f3aedd5937dd8abe7a7f272436a623..d1dcf896329dab92b1c94b5941ab4d743581eec0 100644
--- a/net/base/ip_address_unittest.cc
+++ b/net/base/ip_address_unittest.cc
@@ -190,6 +190,7 @@ TEST(IPAddressTest, IsReservedIPv4) {
   IPAddress address;
   for (const auto& test : tests) {
     EXPECT_TRUE(address.AssignFromIPLiteral(test.address));
+    ASSERT_TRUE(address.IsValid());
     EXPECT_EQ(!!test.is_reserved, address.IsReserved());
   }
 }
@@ -420,6 +421,11 @@ TEST(IPAddressTest, LessThan) {
   EXPECT_TRUE(ip_address3.AssignFromIPLiteral("127.0.0.1"));
   EXPECT_FALSE(ip_address1 < ip_address3);
   EXPECT_FALSE(ip_address3 < ip_address1);
+
+  IPAddress ip_address4;
+  EXPECT_TRUE(ip_address4.AssignFromIPLiteral("128.0.0.0"));
+  EXPECT_TRUE(ip_address1 < ip_address4);
+  EXPECT_FALSE(ip_address4 < ip_address1);
 }
 
 // Test mapping an IPv4 address to an IPv6 address.