Modifies AudioInputCallback::OnData and use media::AudioBus instead of plain byte vector

content/browser/renderer_host/media/audio_input_sync_writer.h

Index: content/browser/renderer_host/media/audio_input_sync_writer.h
diff --git a/content/browser/renderer_host/media/audio_input_sync_writer.h b/content/browser/renderer_host/media/audio_input_sync_writer.h
index 75b2bbf1e2efba4f77b26e0470756ed7b2ad94dd..43aa0f634f0ddaeb674ad5cd2588793430867ccf 100644
--- a/content/browser/renderer_host/media/audio_input_sync_writer.h
+++ b/content/browser/renderer_host/media/audio_input_sync_writer.h
@@ -9,6 +9,7 @@
 #include "base/sync_socket.h"
 #include "base/time/time.h"
 #include "media/audio/audio_input_controller.h"
+#include "media/audio/audio_parameters.h"
 
 #if defined(OS_POSIX)
 #include "base/file_descriptor_posix.h"
@@ -18,6 +19,10 @@ namespace base {
 class SharedMemory;
 }
 
+namespace media {
+class AudioBus;
+}
+
 namespace content {
 // A AudioInputController::SyncWriter implementation using SyncSocket. This
 // is used by AudioInputController to provide a low latency data source for
@@ -26,14 +31,14 @@ namespace content {
 class AudioInputSyncWriter : public media::AudioInputController::SyncWriter {
  public:
   explicit AudioInputSyncWriter(base::SharedMemory* shared_memory,
-                                int shared_memory_segment_count);
+                                int shared_memory_segment_count,
+                                const media::AudioParameters& params);
 
   virtual ~AudioInputSyncWriter();
 
   // media::AudioOutputController::SyncWriter implementation.
   virtual void UpdateRecordedBytes(uint32 bytes) OVERRIDE;
-  virtual uint32 Write(const void* data,
-                       uint32 size,
+  virtual uint32 Write(const media::AudioBus* data,
                        double volume,
                        bool key_pressed) OVERRIDE;
   virtual void Close() OVERRIDE;
@@ -65,6 +70,10 @@ class AudioInputSyncWriter : public media::AudioInputController::SyncWriter {
   // The time of the last Write call.
   base::Time last_write_time_;
 
+  const media::AudioParameters params_;
+
+  const int audio_bus_memory_size_;
+
   DISALLOW_IMPLICIT_CONSTRUCTORS(AudioInputSyncWriter);
 };