Remove non-md code from tray_vpn.cc

ash/common/system/chromeos/network/network_icon.cc

Index: ash/common/system/chromeos/network/network_icon.cc
diff --git a/ash/common/system/chromeos/network/network_icon.cc b/ash/common/system/chromeos/network/network_icon.cc
index 021b84ef0707862433de25cf1254bd66acffac28..26a2beeac81a43180bf59a066203cbd4ce287594 100644
--- a/ash/common/system/chromeos/network/network_icon.cc
+++ b/ash/common/system/chromeos/network/network_icon.cc
@@ -526,7 +526,8 @@ gfx::ImageSkia GetIcon(const NetworkState* network,
                             strength_index);
   } else if (network->Matches(NetworkTypePattern::VPN())) {
     DCHECK_NE(ICON_TYPE_TRAY, icon_type);
-    return GetVpnImage();
+    return gfx::CreateVectorIcon(kNetworkVpnIcon,
+                                 GetDefaultColorForIconType(ICON_TYPE_LIST));
   }
 
   NOTREACHED() << "Request for icon for unsupported type: " << network->type();
@@ -779,11 +780,6 @@ gfx::ImageSkia GetImageForNewWifiNetwork(SkColor icon_color,
   return NetworkIconImageSource::CreateImage(icon, badges);
 }
 
-gfx::ImageSkia GetVpnImage() {
-  return gfx::CreateVectorIcon(kNetworkVpnIcon,
-                               GetDefaultColorForIconType(ICON_TYPE_LIST));
-}
-
 base::string16 GetLabelForNetwork(const chromeos::NetworkState* network,
                                   IconType icon_type) {
   DCHECK(network);