Rewrite PPB_AudioInput_Dev to use the new-style host/resource.

ppapi/thunk/ppb_audio_input_trusted_thunk.cc

-// 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.
-
-#include "ppapi/c/pp_errors.h"
-#include "ppapi/c/trusted/ppb_audio_input_trusted_dev.h"
-#include "ppapi/shared_impl/tracked_callback.h"
-#include "ppapi/thunk/enter.h"
-#include "ppapi/thunk/ppb_audio_input_api.h"
-#include "ppapi/thunk/resource_creation_api.h"
-#include "ppapi/thunk/thunk.h"
-
-namespace ppapi {
-namespace thunk {
-
-namespace {
-
-typedef EnterResource<PPB_AudioInput_API> EnterAudioInput;
-
-PP_Resource Create(PP_Instance instance_id) {
-  EnterResourceCreation enter(instance_id);
-  if (enter.failed())
-    return 0;
-  return enter.functions()->CreateAudioInput(instance_id);
-}
-
-int32_t Open(PP_Resource audio_id,
-             PP_Resource config_id,
-             PP_CompletionCallback callback) {
-  EnterAudioInput enter(audio_id, callback, true);
-  if (enter.failed())
-    return enter.retval();
-  return enter.SetResult(enter.object()->OpenTrusted("", config_id,
-                                                     enter.callback()));
-}
-
-int32_t GetSyncSocket(PP_Resource audio_id, int* sync_socket) {
-  EnterAudioInput enter(audio_id, true);
-  if (enter.failed())
-    return enter.retval();
-  return enter.object()->GetSyncSocket(sync_socket);
-}
-
-int32_t GetSharedMemory(PP_Resource audio_id,
-                        int* shm_handle,
-                        uint32_t* shm_size) {
-  EnterAudioInput enter(audio_id, true);
-  if (enter.failed())
-    return enter.retval();
-  return enter.object()->GetSharedMemory(shm_handle, shm_size);
-}
-
-const PPB_AudioInputTrusted_Dev g_ppb_audioinput_trusted_thunk = {
-  &Create,
-  &Open,
-  &GetSyncSocket,
-  &GetSharedMemory,
-};
-
-}  // namespace
-
-const PPB_AudioInputTrusted_Dev_0_1* GetPPB_AudioInputTrusted_0_1_Thunk() {
-  return &g_ppb_audioinput_trusted_thunk;
-}
-
-}  // namespace thunk
-}  // namespace ppapi