HostResolver is exposed to Native Client.

ppapi/native_client/src/shared/ppapi_proxy/ppb_host_resolver_private.srpc

+# Copyright (c) 2012 The Native Client Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+#
+# RPC methods used to implement PPB_HostResolver_Private calls from
+# the plugin.  See ppapi/c/private/ppb_host_resolver_private.h for
+# interface details.
+
+{
+  'name': 'PpbHostResolverPrivateRpc',
+  'rpcs': [
+    {'name': 'PPB_HostResolver_Private_Create',
+     'inputs': [['instance', 'PP_Instance'],
+               ],
+     'outputs': [['resource', 'PP_Resource'],
+                ]
+    },
+    {'name': 'PPB_HostResolver_Private_IsHostResolver',
+     'inputs': [['resource', 'PP_Resource'],
+                ],
+     'outputs': [['is_host_resolver', 'int32_t'],     # PP_Bool
+                 ]
+    },
+    {'name': 'PPB_HostResolver_Private_Resolve',
+     'inputs': [['host_resolver', 'PP_Resource'],
+                ['host', 'string'],                   # const char*
+                ['port', 'int32_t'],                  # uint16_t
+                ['hint', 'char[]'],        # const PP_HostResolver_Private_Hint*
+                ['callback_id', 'int32_t']            # PP_CompletionCallback
+               ],
+     'outputs': [['pp_error', 'int32_t'],
+                ]
+    },
+    {'name': 'PPB_HostResolver_Private_GetCanonicalName',
+     'inputs': [['host_resolver', 'PP_Resource'],
+               ],
+     'outputs': [['canonical_name', 'char[]']         # PP_Var
+                ]
+    },
+    {'name': 'PPB_HostResolver_Private_GetSize',
+     'inputs': [['host_resolver', 'PP_Resource'],
+               ],
+     'outputs': [['size', 'int32_t'],                 # uint32_t
+                ]
+    },
+    {'name': 'PPB_HostResolver_Private_GetNetAddress',
+     'inputs': [['host_resolver', 'PP_Resource'],
+                ['index', 'int32_t'],                 # uint32_t
+               ],
+     'outputs': [['addr', 'char[]'],                  # PP_NetAddress_Private*
+                 ['success', 'int32_t'],              # PP_Bool
+                ]
+    }
+  ]
+}