Make the Pepper Flash net address just private, not Flash-specific.

ppapi/api/private/ppb_flash_net_address.idl

-/* Copyright (c) 2011 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_Flash_NetAddress</code> interface.
- */
-
-label Chrome {
-  M17 = 0.1
-};
-
-/**
- * This is an opaque type holding a network address.
- */
-[assert_size(132)]
-struct PP_Flash_NetAddress {
-  uint32_t size;
-  char[128] data;
-};
-
-/**
- * The <code>PPB_Flash_NetAddress</code> interface provides operations on
- * network addresses.
- */
-interface PPB_Flash_NetAddress {
-  /**
-    * Returns PP_TRUE if the two addresses are equal (host and port).
-    */
-  PP_Bool AreEqual([in] PP_Flash_NetAddress addr1,
-                   [in] PP_Flash_NetAddress addr2);
-
-  /**
-    * Returns PP_TRUE if the two addresses refer to the same host.
-    */
-  PP_Bool AreHostsEqual([in] PP_Flash_NetAddress addr1,
-                        [in] PP_Flash_NetAddress addr2);
-
-  /**
-    * Returns a human-readable description of the network address, optionally
-    * including the port (e.g., "192.168.0.1", "192.168.0.1:99", or "[::1]:80"),
-    * or an undefined var on failure.
-    */
-  PP_Var Describe([in] PP_Module module,
-                  [in] PP_Flash_NetAddress addr,
-                  [in] PP_Bool include_port);
-
-  /**
-    * Replaces the port in the given source address. Returns PP_TRUE on success.
-    */
-  PP_Bool ReplacePort([in] PP_Flash_NetAddress src_addr,
-                      [in] uint16_t port,
-                      [out] PP_Flash_NetAddress dest_addr);
-
-  /**
-    * Gets the "any" address (for IPv4 or IPv6); for use with UDP Bind.
-    */
-  void GetAnyAddress([in] PP_Bool is_ipv6,
-                     [out] PP_Flash_NetAddress addr);
-};