Expose flash playback status and volume control to content renderer

content/renderer/pepper/ppb_audio_impl.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 CONTENT_RENDERER_PEPPER_PPB_AUDIO_IMPL_H_
 #define CONTENT_RENDERER_PEPPER_PPB_AUDIO_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 32 matching lines @@
   // PPB_Audio_API implementation.
   PP_Resource GetCurrentConfig() override;
   PP_Bool StartPlayback() override;
   PP_Bool StopPlayback() override;
   int32_t Open(PP_Resource config_id,
                scoped_refptr<ppapi::TrackedCallback> create_callback) override;
   int32_t GetSyncSocket(int* sync_socket) override;
   int32_t GetSharedMemory(base::SharedMemory** shm,
                           uint32_t* shm_size) override;
 
+  void SetVolume(double volume);
+
  private:
   ~PPB_Audio_Impl() override;
 
   // AudioHelper implementation.
   void OnSetStreamInfo(base::SharedMemoryHandle shared_memory_handle,
                        size_t shared_memory_size_,
                        base::SyncSocket::Handle socket) override;
 
   // PluginInstanceThrottler::Observer implementation.
   void OnThrottleStateChange() override;
@@ skipping 10 matching lines @@
 
   // Stream is playing, but throttled due to Plugin Power Saver.
   bool playback_throttled_;
 
   DISALLOW_COPY_AND_ASSIGN(PPB_Audio_Impl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PEPPER_PPB_AUDIO_IMPL_H_