Add NetworkList/NetworkMonitor hooks and C++ wrappers.

ppapi/api/private/ppb_network_list_private.idl

 /* Copyright (c) 2012 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.
  */
 
 /**
  * This file defines the <code>PPB_NetworkList_Private</code> interface.
  */
 
 label Chrome {
   M19 = 0.2
 };
 
 /**
  * Type of a network interface.
  */
 [assert_size(4)]
 enum PP_NetworkListType_Private {
   /**
+   * Type of the network interface is not known.
+   */
+  PP_NETWORKLIST_UNKNOWN = 0,
+
+  /**
    * Wired Ethernet network.
    */
-  PP_NETWORKLIST_ETHERNET = 0,
+  PP_NETWORKLIST_ETHERNET = 1,
 
   /**
    * Wireless Wi-Fi network.
    */
-  PP_NETWORKLIST_WIFI = 1,
+  PP_NETWORKLIST_WIFI = 2,
 
   /**
    * Cellular network (e.g. LTE).
    */
-  PP_NETWORKLIST_CELLULAR = 2
+  PP_NETWORKLIST_CELLULAR = 3
 };
 
 /**
  * State of a network interface.
  */
 [assert_size(4)]
 enum PP_NetworkListState_Private  {
   /**
    * Network interface is down.
    */
@@ skipping 35 matching lines @@
    * @return Returns name for the network interface with the specified
    * <code>index</code>.
    */
   PP_Var GetName([in] PP_Resource resource,
                  [in] uint32_t index);
 
   /**
    * @return Returns type of the network interface with the specified
    * <code>index</code>.
    */
-  PP_NetworkListType_Private  GetType([in] PP_Resource resource,
-                                    [in] uint32_t index);
+  PP_NetworkListType_Private GetType([in] PP_Resource resource,
+                                     [in] uint32_t index);
 
   /**
    * @return Returns current state of the network interface with the
    * specified <code>index</code>.
    */
-  PP_NetworkListState_Private  GetState([in] PP_Resource resource,
-                                      [in] uint32_t index);
+  PP_NetworkListState_Private GetState([in] PP_Resource resource,
+                                       [in] uint32_t index);
 
   /**
    * Gets list of IP addresses for the network interface with the
    * specified <code>index</code> and stores them in
    * <code>addresses</code>. If the caller didn't allocate sufficient
    * space to store all addresses, then only the first
    * <code>count</code> addresses are filled in.
    *
    * @return Returns total number of IP addresses assigned to the
    * network interface or a negative error code.
    */
   int32_t GetIpAddresses(
       [in] PP_Resource resource,
       [in] uint32_t index,
-      [out, size_is(count)] PP_NetAddress_Private[] addresses,
-      [in] int32_t count);
+      [inout, size_is(count)] PP_NetAddress_Private[] addresses,
+      [in] uint32_t count);
 
   /**
    * @return Returns display name for the network interface with the
    * specified <code>index</code>.
    */
   PP_Var GetDisplayName([in] PP_Resource resource,
                         [in] uint32_t index);
 
   /**
    * @return Returns MTU for the network interface with the specified
-   * <code>index</code>.
+   * <code>index</code> or 0 if MTU is unknown.
    */
   uint32_t GetMTU([in] PP_Resource resource,
                   [in] uint32_t index);
 
 };