This updates the StaticIP configuration UI to match new mocks.

chrome/browser/chromeos/cros/cros_network_functions.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_CROS_CROS_NETWORK_FUNCTIONS_H_
 #define CHROME_BROWSER_CHROMEOS_CROS_CROS_NETWORK_FUNCTIONS_H_
 
 // This header is introduced to make it easy to switch from chromeos_network.cc
 // to Chrome's own DBus code.  crosbug.com/16557
 // All calls to functions in chromeos_network.h should be made through
@@ skipping 275 matching lines @@
 // pre-cached in the library, so the call may block whilst the results are
 // read over IPC.
 // Returns false if an error occurred in reading the results. Note that
 // a true return code only indicates the result set was successfully read,
 // it does not imply a scan has successfully completed yet.
 bool CrosGetWifiAccessPoints(WifiAccessPointVector* result);
 
 // Configures the network service specified by |properties|.
 void CrosConfigureService(const base::DictionaryValue& properties);
 
+// Converts a |prefix_length| to a netmask. (for IPv4 only)
+// e.g. a |prefix_length| of 24 is converted to a netmask of "255.255.255.0".
+// Invalid prefix lengths will return the empty string.
+std::string CrosPrefixLengthToNetmask(int32 prefix_length);
+
+// Converts a |netmask| to a prefixlen. (for IPv4 only)
+// e.g. a |netmask| of 255.255.255.0 is converted to a prefixlen of 24
+int32 CrosNetmaskToPrefixLength(const std::string& netmask);
+
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_CROS_CROS_NETWORK_FUNCTIONS_H_