If adapter type is unknown and interface name is "ipsec", treat as VPN.

webrtc/rtc_base/network_unittest.cc

Index: webrtc/rtc_base/network_unittest.cc
diff --git a/webrtc/rtc_base/network_unittest.cc b/webrtc/rtc_base/network_unittest.cc
index a6c42ead37cd322f291b27b5a715d5049b1f58d1..73f199f6ca1f45b12fdab01c557a15d3b6aa1f0d 100644
--- a/webrtc/rtc_base/network_unittest.cc
+++ b/webrtc/rtc_base/network_unittest.cc
@@ -842,11 +842,17 @@ TEST_F(NetworkTest, TestGetAdapterTypeFromNameMatching) {
   std::string ipv6_mask = "FFFF:FFFF:FFFF:FFFF::";
   BasicNetworkManager manager;
 
-#if defined(WEBRTC_IOS)
-  char if_name[20] = "pdp_ip0";
+  // IPSec interface; name is in form "ipsec<index>".
+  char if_name[20] = "ipsec11";
   ifaddrs* addr_list =
       InstallIpv6Network(if_name, ipv6_address1, ipv6_mask, manager);
+  EXPECT_EQ(ADAPTER_TYPE_VPN, GetAdapterType(manager));
+  ClearNetworks(manager);
+  ReleaseIfAddrs(addr_list);
 
+#if defined(WEBRTC_IOS)
+  strcpy(if_name, "pdp_ip0");
+  addr_list = InstallIpv6Network(if_name, ipv6_address1, ipv6_mask, manager);
   EXPECT_EQ(ADAPTER_TYPE_CELLULAR, GetAdapterType(manager));
   ClearNetworks(manager);
   ReleaseIfAddrs(addr_list);
@@ -858,10 +864,8 @@ TEST_F(NetworkTest, TestGetAdapterTypeFromNameMatching) {
   ReleaseIfAddrs(addr_list);
 
 #elif defined(WEBRTC_ANDROID)
-  char if_name[20] = "rmnet0";
-  ifaddrs* addr_list =
-      InstallIpv6Network(if_name, ipv6_address1, ipv6_mask, manager);
-
+  strcpy(if_name, "rmnet0");
+  addr_list = InstallIpv6Network(if_name, ipv6_address1, ipv6_mask, manager);
   EXPECT_EQ(ADAPTER_TYPE_CELLULAR, GetAdapterType(manager));
   ClearNetworks(manager);
   ReleaseIfAddrs(addr_list);
@@ -878,9 +882,10 @@ TEST_F(NetworkTest, TestGetAdapterTypeFromNameMatching) {
   ClearNetworks(manager);
   ReleaseIfAddrs(addr_list);
 #else
-  char if_name[20] = "wlan0";
-  ifaddrs* addr_list =
-      InstallIpv6Network(if_name, ipv6_address1, ipv6_mask, manager);
+  // TODO(deadbeef): If not iOS or Android, "wlan0" should be treated as
+  // "unknown"? Why? This should be fixed if there's no good reason.
+  strcpy(if_name, "wlan0");
+  addr_list = InstallIpv6Network(if_name, ipv6_address1, ipv6_mask, manager);
 
   EXPECT_EQ(ADAPTER_TYPE_UNKNOWN, GetAdapterType(manager));
   ClearNetworks(manager);