Clean up unused constant globals

net/base/address_tracker_linux_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/base/address_tracker_linux.h"
 
 #include <linux/if.h>
 
 #include <vector>
 
@@ skipping 118 matching lines @@
   nlmsg.AddPayload(&msg, sizeof(msg));
   output->clear();
   nlmsg.AppendTo(output);
 }
 
 const unsigned char kAddress0[] = { 127, 0, 0, 1 };
 const unsigned char kAddress1[] = { 10, 0, 0, 1 };
 const unsigned char kAddress2[] = { 192, 168, 0, 1 };
 const unsigned char kAddress3[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
                                     0, 0, 0, 1 };
-const unsigned char kAddress4[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255,
-                                    169, 254, 0, 1 };
 
 TEST_F(AddressTrackerLinuxTest, NewAddress) {
   const IPAddressNumber kEmpty;
   const IPAddressNumber kAddr0(kAddress0, kAddress0 + arraysize(kAddress0));
   const IPAddressNumber kAddr1(kAddress1, kAddress1 + arraysize(kAddress1));
   const IPAddressNumber kAddr2(kAddress2, kAddress2 + arraysize(kAddress2));
   const IPAddressNumber kAddr3(kAddress3, kAddress3 + arraysize(kAddress3));
 
   Buffer buffer;
   MakeAddrMessage(RTM_NEWADDR, IFA_F_TEMPORARY, AF_INET, kAddr0, kEmpty,
@@ skipping 206 matching lines @@
   EXPECT_FALSE(GetOnlineLinks()->empty());
   MakeLinkMessage(RTM_DELLINK, IFF_UP | IFF_LOWER_UP | IFF_RUNNING, 0, &buffer);
   EXPECT_TRUE(HandleLinkMessage(buffer));
   EXPECT_TRUE(GetOnlineLinks()->empty());
 }
 
 }  // namespace
 
 }  // namespace internal
 }  // namespace net