MergeNetworkList can't group address under the same interface

net/base/net_util.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 NET_BASE_NET_UTIL_H_
 #define NET_BASE_NET_UTIL_H_
 
 #include "build/build_config.h"
 
 #if defined(OS_WIN)
@@ skipping 429 matching lines @@
 
 // struct that is used by GetNetworkList() to represent a network
 // interface.
 struct NET_EXPORT NetworkInterface {
   NetworkInterface();
   NetworkInterface(const std::string& name,
                    const std::string& friendly_name,
                    uint32 interface_index,
                    NetworkChangeNotifier::ConnectionType type,
                    const IPAddressNumber& address,
-                   size_t network_prefix);
+                   unsigned int network_prefix);
   ~NetworkInterface();
 
   std::string name;
   std::string friendly_name;  // Same as |name| on non-Windows.
   uint32 interface_index;  // Always 0 on Android.
   NetworkChangeNotifier::ConnectionType type;
   IPAddressNumber address;
-  size_t network_prefix;
+  unsigned int network_prefix;

[Will Harris, 2014/09/13 00:09:10]

nit: could use uint32 like interface_index

[davidben, 2014/09/15 17:27:43]

+1. If the goal is to avoid implicitly sized types, uint32 is probably better
than unsigned int (though I think they're the same on our all platforms?). The
guideline explicitly lists the (u)int* types.

[guoweis2, 2014/09/15 18:10:10]

Done.

 };
 
 typedef std::vector<NetworkInterface> NetworkInterfaceList;
 
 // Policy settings to include/exclude network interfaces.
 enum HostAddressSelectionPolicy {
   INCLUDE_HOST_SCOPE_VIRTUAL_INTERFACES           = 0x0,
   EXCLUDE_HOST_SCOPE_VIRTUAL_INTERFACES           = 0x1,
   // Include temp address only when interface has both permanent and
   // temp addresses.
@@ skipping 62 matching lines @@
   DSCP_CS5  = 40,  // Video
   DSCP_EF   = 46,  // Voice
   DSCP_CS6  = 48,  // Voice
   DSCP_CS7  = 56,  // Control messages
   DSCP_LAST = DSCP_CS7
 };
 
 }  // namespace net
 
 #endif  // NET_BASE_NET_UTIL_H_