Move the concept of multiple route into Network

webrtc/base/network.h

 /*
  *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 72 matching lines @@
   virtual void StopUpdating() = 0;
 
   // Returns the current list of networks available on this machine.
   // StartUpdating() must be called before this method is called.
   // It makes sure that repeated calls return the same object for a
   // given network, so that quality is tracked appropriately. Does not
   // include ignored networks.
   virtual void GetNetworks(NetworkList* networks) const = 0;
 
   // return the current permission state of GetNetworks()
-  virtual EnumerationPermission enumeration_permission() const {
-    return kEnumerationAllowed;
-  }
+  virtual EnumerationPermission enumeration_permission() const;
 
   // "AnyAddressNetwork" is a network which only contains single "any address"
   // IP address.  (i.e. INADDR_ANY for IPv4 or in6addr_any for IPv6). This is
   // useful as binding to such interfaces allow default routing behavior like
   // http traffic.
   // TODO(guoweis): remove this body when chromium implements this.
   virtual void GetAnyAddressNetworks(NetworkList* networks) {}
 
   // Dumps a list of networks available to LS_INFO.
   virtual void DumpNetworks(bool include_ignored) {}
@@ skipping 218 matching lines @@
   bool ignored_;
   AdapterType type_;
   int preference_;
 
   friend class NetworkManager;
 };
 
 }  // namespace rtc
 
 #endif  // WEBRTC_BASE_NETWORK_H_