Remove 'char' from IDL

ppapi/api/private/ppb_net_address_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_NetAddress_Private</code> interface.
  */
 
 label Chrome {
@@ skipping 19 matching lines @@
   PP_NETADDRESSFAMILY_PRIVATE_IPV6 = 2
 };
 
 /**
  * This is an opaque type holding a network address. Plugins must
  * never access members of this struct directly.
  */
 [assert_size(132)]
 struct PP_NetAddress_Private {
   uint32_t size;
-  char[128] data;
+  int8_t[128] data;
 };
 
 /**
  * The <code>PPB_NetAddress_Private</code> interface provides operations on
  * network addresses.
  */
 [version=0.1] interface PPB_NetAddress_Private {
   /**
    * Returns PP_TRUE if the two addresses are equal (host and port).
    */
@@ skipping 69 matching lines @@
   /**
    * Creates NetAddress with the specified IPv6 address, scope_id and
    * port number.
    */
   [version=1.1]
   void CreateFromIPv6Address([in] uint8_t[16] ip,
                              [in] uint32_t scope_id,
                              [in] uint16_t port,
                              [out] PP_NetAddress_Private addr_out);
 };