Make necessary changes for chromecast build as chromecast has it own implementation of NetworkChang…

net/base/network_change_notifier.cc

Index: net/base/network_change_notifier.cc
diff --git a/net/base/network_change_notifier.cc b/net/base/network_change_notifier.cc
index 4d52839a196810e7629da3ca75cc5ab29797281f..4d2fbc70f7c3f652822152396981e085caa35eb0 100644
--- a/net/base/network_change_notifier.cc
+++ b/net/base/network_change_notifier.cc
@@ -507,8 +507,9 @@ NetworkChangeNotifier* NetworkChangeNotifier::Create() {
       new NetworkChangeNotifierWin();
   network_change_notifier->WatchForAddressChange();
   return network_change_notifier;
-#elif defined(OS_CHROMEOS) || defined(OS_ANDROID)
-  // ChromeOS and Android builds MUST use their own class factory.
+#elif defined(USE_NETWORK_CHANGE_NOTIFIER_FACTORY)
+  // Check that we never reach here for platforms/products that use their
+  // own class factory.
 #if !defined(OS_CHROMEOS)
   // TODO(oshima): ash_shell do not have access to chromeos'es
   // notifier yet. Re-enable this when chromeos'es notifier moved to