Added net::NetworkInterface::interface_index.

net/base/net_util_posix.cc

Index: net/base/net_util_posix.cc
diff --git a/net/base/net_util_posix.cc b/net/base/net_util_posix.cc
index 4ff3ee9f4583c89255f826c71e6356fdcf016e70..5e1042b4304c6ba9ba8d17954c259edc2193f860 100644
--- a/net/base/net_util_posix.cc
+++ b/net/base/net_util_posix.cc
@@ -81,8 +81,12 @@ bool GetNetworkList(NetworkInterfaceList* networks) {
                          &address,
                          &network_prefix));
 
+    CHECK(network_tokenizer.GetNext());
+    uint32 index = 0;
+    CHECK(base::StringToUint(network_tokenizer.token(), &index));
+
     networks->push_back(
-        NetworkInterface(name, address, network_prefix));
+        NetworkInterface(name, index, address, network_prefix));
   }
   return true;
 #else
@@ -108,6 +112,7 @@ bool GetNetworkList(NetworkInterfaceList* networks) {
     struct sockaddr* addr = interface->ifa_addr;
     if (!addr)
       continue;
+
     // Skip unspecified addresses (i.e. made of zeroes) and loopback addresses
     // configured on non-loopback interfaces.
     int addr_size = 0;
@@ -144,7 +149,9 @@ bool GetNetworkList(NetworkInterfaceList* networks) {
         }
       }
 
-      networks->push_back(NetworkInterface(name, address.address(), net_mask));
+      networks->push_back(
+          NetworkInterface(name, if_nametoindex(name.c_str()),
+                           address.address(), net_mask));
     }
   }