Add "PRIVATE" to the enum names of some private Pepper networking APIs:

ppapi/c/private/ppb_host_resolver_private.h

 /* 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.
  */
 
 /* From private/ppb_host_resolver_private.idl,
- *   modified Mon Mar  5 17:39:57 2012.
+ *   modified Mon Jun 24 09:49:40 2013.
  */
 
 #ifndef PPAPI_C_PRIVATE_PPB_HOST_RESOLVER_PRIVATE_H_
 #define PPAPI_C_PRIVATE_PPB_HOST_RESOLVER_PRIVATE_H_
 
 #include "ppapi/c/pp_bool.h"
 #include "ppapi/c/pp_completion_callback.h"
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/c/pp_macros.h"
 #include "ppapi/c/pp_resource.h"
@@ skipping 17 matching lines @@
  */
 /**
  * The <code>PP_HostResolver_Flags</code> is an enumeration of the
  * different types of flags, that can be OR-ed and passed to host
  * resolver.
  */
 typedef enum {
   /**
    * AI_CANONNAME
    */
-  PP_HOST_RESOLVER_FLAGS_CANONNAME = 1 << 0,
+  PP_HOST_RESOLVER_PRIVATE_FLAGS_CANONNAME = 1 << 0,
   /**
    * Hint to the resolver that only loopback addresses are configured.
    */
-  PP_HOST_RESOLVER_FLAGS_LOOPBACK_ONLY = 1 << 1
+  PP_HOST_RESOLVER_PRIVATE_FLAGS_LOOPBACK_ONLY = 1 << 1
 } PP_HostResolver_Private_Flags;
 PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_HostResolver_Private_Flags, 4);
 /**
  * @}
  */
 
 /**
  * @addtogroup Structs
  * @{
  */
@@ skipping 49 matching lines @@
                            struct PP_NetAddress_Private* addr);
 };
 
 typedef struct PPB_HostResolver_Private_0_1 PPB_HostResolver_Private;
 /**
  * @}
  */
 
 #endif  /* PPAPI_C_PRIVATE_PPB_HOST_RESOLVER_PRIVATE_H_ */