Move cros_network_functions.cc to src/chromeos

chrome/browser/chromeos/cros/network_library_impl_cros.cc

Index: chrome/browser/chromeos/cros/network_library_impl_cros.cc
diff --git a/chrome/browser/chromeos/cros/network_library_impl_cros.cc b/chrome/browser/chromeos/cros/network_library_impl_cros.cc
index 40059b8a94f1950a78e3acaf014ad1a371746fbb..967b045439a0bd512e922dc94f770ae9a01500f9 100644
--- a/chrome/browser/chromeos/cros/network_library_impl_cros.cc
+++ b/chrome/browser/chromeos/cros/network_library_impl_cros.cc
@@ -15,6 +15,8 @@
 #include "chrome/browser/chromeos/cros/native_network_parser.h"
 #include "chrome/browser/chromeos/settings/cros_settings.h"
 #include "chrome/common/chrome_switches.h"
+#include "chromeos/network/cros_network_functions.h"
+#include "chromeos/network/network_util.h"
 #include "content/public/browser/browser_thread.h"
 #include "third_party/cros_system_api/dbus/service_constants.h"
 
@@ -1312,7 +1314,7 @@ void NetworkLibraryImplCros::SetIPParametersCallback(
       VLOG(2) << "Clearing " << shill::kStaticIPPrefixlenProperty;
     }
   } else {
-    int prefixlen = CrosNetmaskToPrefixLength(info.netmask);
+    int prefixlen = network_util::NetmaskToPrefixLength(info.netmask);
     if (prefixlen == -1) {
       VLOG(1) << "IPConfig prefix length is invalid for netmask "
               << info.netmask;