AudioBus: Add a ToInterleavedFloat() method to AudioBus

media/base/audio_bus.h

Index: media/base/audio_bus.h
diff --git a/media/base/audio_bus.h b/media/base/audio_bus.h
index f827f9db87d396667e39d3105f10a33f85e39d11..7cc35420cb4ff3c8a45a1912d6d66a4de4f68ac2 100644
--- a/media/base/audio_bus.h
+++ b/media/base/audio_bus.h
@@ -69,6 +69,10 @@ class MEDIA_EXPORT AudioBus {
   // any unfilled frames when |frames| is less than frames().
   void FromInterleaved(const void* source, int frames, int bytes_per_sample);
   void ToInterleaved(int frames, int bytes_per_sample, void* dest) const;
+  void ToInterleavedFloat(int source_offset,
+                          int destination_offset,
+                          int num_channels,
+                          float* buffer) const;
   void ToInterleavedPartial(int start_frame, int frames, int bytes_per_sample,
                             void* dest) const;