PPAPI/NaCl: Make NaClIPCAdapter transfer handles more generally

ppapi/proxy/ppb_audio_proxy.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.
 
 #ifndef PPAPI_PROXY_PPB_AUDIO_PROXY_H_
 #define PPAPI_PROXY_PPB_AUDIO_PROXY_H_
 
 #include <utility>
 
 #include "base/basictypes.h"
 #include "base/shared_memory.h"
 #include "base/sync_socket.h"
 #include "ipc/ipc_platform_file.h"
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/c/pp_resource.h"
 #include "ppapi/c/ppb_audio.h"
 #include "ppapi/c/ppb_audio_config.h"
 #include "ppapi/proxy/interface_proxy.h"
 #include "ppapi/proxy/proxy_completion_callback_factory.h"
+#include "ppapi/proxy/serialized_structs.h"
 #include "ppapi/utility/completion_callback_factory.h"
 
 namespace ppapi {
 
 class HostResource;
 
 namespace proxy {
 
 class PPB_Audio_Proxy : public InterfaceProxy {
  public:
@@ skipping 14 matching lines @@
 
  private:
   // Plugin->renderer message handlers.
   void OnMsgCreate(PP_Instance instance_id,
                    int32_t sample_rate,
                    uint32_t sample_frame_count,
                    ppapi::HostResource* result);
   void OnMsgStartOrStop(const ppapi::HostResource& audio_id, bool play);
 
   // Renderer->plugin message handlers.
-  void OnMsgNotifyAudioStreamCreated(const ppapi::HostResource& audio_id,
-                                     int32_t result_code,
-                                     IPC::PlatformFileForTransit socket_handle,
-                                     base::SharedMemoryHandle handle,
-                                     uint32_t length);
+  void OnMsgNotifyAudioStreamCreated(
+      const ppapi::HostResource& audio_id,
+      int32_t result_code,
+      ppapi::proxy::SerializedHandle socket_handle,
+      ppapi::proxy::SerializedHandle handle);
 
   void AudioChannelConnected(int32_t result,
                              const ppapi::HostResource& resource);
 
   // In the renderer, this is called in response to a stream created message.
   // It will retrieve the shared memory and socket handles and place them into
   // the given out params. The return value is a PPAPI error code.
   //
   // The input arguments should be initialized to 0 or -1, depending on the
   // platform's default invalid handle values. On error, some of these
   // arguments may be written to, and others may be untouched, depending on
   // where the error occurred.
   int32_t GetAudioConnectedHandles(
       const ppapi::HostResource& resource,
       IPC::PlatformFileForTransit* foreign_socket_handle,
       base::SharedMemoryHandle* foreign_shared_memory_handle,
       uint32_t* shared_memory_length);
 
   ProxyCompletionCallbackFactory<PPB_Audio_Proxy> callback_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PPB_Audio_Proxy);
 };
 
 }  // namespace proxy
 }  // namespace ppapi
 
 #endif  // PPAPI_PROXY_PPB_AUDIO_PROXY_H_