Migrate Local Discovery from net::IPAddressNumber to net::IPAddress.

chrome/browser/local_discovery/privet_device_lister_unittest.cc

Index: chrome/browser/local_discovery/privet_device_lister_unittest.cc
diff --git a/chrome/browser/local_discovery/privet_device_lister_unittest.cc b/chrome/browser/local_discovery/privet_device_lister_unittest.cc
index a165b71874ffbb0586e5d8d1b824714ca62ee5e3..8daee0ea022298b4c4934ec78913455aed654cdf 100644
--- a/chrome/browser/local_discovery/privet_device_lister_unittest.cc
+++ b/chrome/browser/local_discovery/privet_device_lister_unittest.cc
@@ -182,12 +182,10 @@ class PrivetDeviceListerTest : public testing::Test {
     service_description_.service_name = "myprinter._privet._tcp.local";
     service_description_.address = net::HostPortPair("myprinter.local", 6006);
     service_description_.metadata = example_attrs_;
-    service_description_.last_seen = base::Time() +
-        base::TimeDelta::FromSeconds(5);
-    service_description_.ip_address.push_back(1);
-    service_description_.ip_address.push_back(2);
-    service_description_.ip_address.push_back(3);
-    service_description_.ip_address.push_back(4);
+    service_description_.last_seen =
+        base::Time() + base::TimeDelta::FromSeconds(5);
+    uint8_t address[4] = {1, 2, 3, 4};
+    service_description_.ip_address = net::IPAddress(address, sizeof(address));
   }
 
  protected: