PPAPI: Make blocking completion callbacks work.

webkit/plugins/ppapi/ppb_audio_impl.h

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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 WEBKIT_PLUGINS_PPAPI_PPB_AUDIO_IMPL_H_
 #define WEBKIT_PLUGINS_PPAPI_PPB_AUDIO_IMPL_H_
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "base/shared_memory.h"
 #include "base/sync_socket.h"
@@ skipping 38 matching lines @@
             PPB_Audio_Callback user_callback,
             void* user_data);
 
   // Resource overrides.
   virtual ::ppapi::thunk::PPB_Audio_API* AsPPB_Audio_API();
 
   // PPB_Audio_API implementation.
   virtual PP_Resource GetCurrentConfig() OVERRIDE;
   virtual PP_Bool StartPlayback() OVERRIDE;
   virtual PP_Bool StopPlayback() OVERRIDE;
-  virtual int32_t OpenTrusted(PP_Resource config_id,
-                              PP_CompletionCallback create_callback) OVERRIDE;
+  virtual int32_t OpenTrusted(
+      PP_Resource config_id,
+      scoped_refptr< ::ppapi::TrackedCallback> create_callback) OVERRIDE;
   virtual int32_t GetSyncSocket(int* sync_socket) OVERRIDE;
   virtual int32_t GetSharedMemory(int* shm_handle, uint32_t* shm_size) OVERRIDE;
 
  private:
   // AudioHelper implementation.
   virtual void OnSetStreamInfo(base::SharedMemoryHandle shared_memory_handle,
                                size_t shared_memory_size_,
                                base::SyncSocket::Handle socket);
 
   // AudioConfig used for creating this Audio object. We own a ref.
   ::ppapi::ScopedPPResource config_;
 
   // PluginDelegate audio object that we delegate audio IPC through. We don't
   // own this pointer but are responsible for calling Shutdown on it.
   PluginDelegate::PlatformAudioOutput* audio_;
 
   DISALLOW_COPY_AND_ASSIGN(PPB_Audio_Impl);
 };
 
 }  // namespace ppapi
 }  // namespace webkit
 
 #endif  // WEBKIT_PLUGINS_PPAPI_PPB_AUDIO_IMPL_H_