Convert callers to use the new TrackedCallback.

webkit/plugins/ppapi/audio_helper.h

 // Copyright (c) 2011 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_AUDIO_HELPER_H_
 #define WEBKIT_PLUGINS_PPAPI_AUDIO_HELPER_H_
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/shared_memory.h"
 #include "base/sync_socket.h"
 #include "ppapi/c/pp_completion_callback.h"
 #include "ppapi/shared_impl/resource.h"
 #include "ppapi/shared_impl/scoped_pp_resource.h"
+#include "ppapi/shared_impl/tracked_callback.h"
 #include "webkit/plugins/ppapi/plugin_delegate.h"
 #include "webkit/plugins/ppapi/ppapi_plugin_instance.h"
 
 namespace webkit {
 namespace ppapi {
 
 class AudioHelper : public PluginDelegate::PlatformAudioCommonClient {
  public:
   AudioHelper();
   virtual ~AudioHelper();
 
   // |PluginDelegate::PlatformAudioCommonClient| implementation.
   virtual void StreamCreated(base::SharedMemoryHandle shared_memory_handle,
                              size_t shared_memory_size_,
                              base::SyncSocket::Handle socket) OVERRIDE;
 
-  void SetCallbackInfo(bool create_callback_pending,
-                       PP_CompletionCallback create_callback);
+  void SetCreateCallback(
+      scoped_refptr< ::ppapi::TrackedCallback> create_callback);
 
  protected:
   // TODO(viettrungluu): This is all very poorly thought out. Refactor.
 
   // To be called by implementations of |PPB_Audio_API|/|PPB_AudioInput_API|.
   int32_t GetSyncSocketImpl(int* sync_socket);
   int32_t GetSharedMemoryImpl(int* shm_handle, uint32_t* shm_size);
 
   // To be implemented by subclasses to call their |SetStreamInfo()|.
   virtual void OnSetStreamInfo(base::SharedMemoryHandle shared_memory_handle,
                                size_t shared_memory_size,
                                base::SyncSocket::Handle socket_handle) = 0;
 
  private:
-  // Is a create callback pending to fire?
-  bool create_callback_pending_;
-
-  // Trusted callback invoked from StreamCreated.
-  PP_CompletionCallback create_callback_;
+  scoped_refptr< ::ppapi::TrackedCallback> create_callback_;
 
   // When a create callback is being issued, these will save the info for
   // querying from the callback. The proxy uses this to get the handles to the
   // other process instead of mapping them in the renderer. These will be
   // invalid all other times.
   scoped_ptr<base::SharedMemory> shared_memory_for_create_callback_;
   size_t shared_memory_size_for_create_callback_;
   scoped_ptr<base::SyncSocket> socket_for_create_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioHelper);
 };
 
 }  // namespace ppapi
 }  // namespace webkit
 
 #endif  // WEBKIT_PLUGINS_PPAPI_AUDIO_HELPER_H_