Move GetVisibleNetworks network type filtering to WiFiService interface.

chrome/common/networking_private_messages.h

 // Copyright 2013 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.
 
 // Multiply-included message file, so no include guard.
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 26 matching lines @@
 // Start connect to the network with given GUID.
 IPC_MESSAGE_CONTROL2(NetworkingPrivateMsg_StartConnect,
                      int32, /* message_id */
                      std::string /* network_guid */)
 
 // Start disconnect from the network with given GUID.
 IPC_MESSAGE_CONTROL2(NetworkingPrivateMsg_StartDisconnect,
                      int32, /* message_id */
                      std::string /* network_guid */)
 
-// Get list of visible networks.
-IPC_MESSAGE_CONTROL1(NetworkingPrivateMsg_GetVisibleNetworks,
-                     int32 /* message_id */)
+// Get list of visible networks of certain type according to onc::network_type.
+IPC_MESSAGE_CONTROL2(NetworkingPrivateMsg_GetVisibleNetworks,
+                     int32, /* message_id */
+                     std::string /* network_type */)
 
 // Request new scan of the network.
 IPC_MESSAGE_CONTROL0(NetworkingPrivateMsg_RequestNetworkScan)
 
 //------------------------------------------------------------------------------
 // Utility process host messages:
 // These are messages from the utility process to the browser. They are handled
 // by NetworkingPrivateClient.
 
 // Reply when the utility process API call has returned an error.
@@ skipping 34 matching lines @@
 // |network_guids| is list of std::string objects containing network guids of
 // networks that have changed.
 IPC_MESSAGE_CONTROL1(NetworkingPrivateMsg_NetworksChanged_Event,
                      std::vector<std::string> /* list of network_guids */)
 
 // Event generated when list of visible networks is changed.
 // |network_guids| is list of std::string objects containing list of visible
 // networks' guids.
 IPC_MESSAGE_CONTROL1(NetworkingPrivateMsg_NetworkListChanged_Event,
                      std::vector<std::string> /* list of network_guids */)