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

content/browser/renderer_host/media/audio_input_renderer_host.cc

 // 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.
 
 #include "content/browser/renderer_host/media/audio_input_renderer_host.h"
 
 #include "base/bind.h"
 #include "base/memory/shared_memory.h"
 #include "base/metrics/histogram.h"
 #include "base/numerics/safe_math.h"
@@ skipping 291 matching lines @@
   size *= entry->shared_memory_segment_count;
   if (!size.IsValid() ||
       !entry->shared_memory.CreateAndMapAnonymous(size.ValueOrDie())) {
     // If creation of shared memory failed then send an error message.
     SendErrorMessage(stream_id, SHARED_MEMORY_CREATE_FAILED);
     return;
   }
 
   scoped_ptr<AudioInputSyncWriter> writer(
       new AudioInputSyncWriter(&entry->shared_memory,
-                               entry->shared_memory_segment_count));
+                               entry->shared_memory_segment_count,
+                               audio_params));
 
   if (!writer->Init()) {
     SendErrorMessage(stream_id, SYNC_WRITER_INIT_FAILED);
     return;
   }
 
   // If we have successfully created the SyncWriter then assign it to the
   // entry and construct an AudioInputController.
   entry->writer.reset(writer.release());
   if (WebContentsCaptureUtil::IsWebContentsDeviceId(device_id)) {
@@ skipping 141 matching lines @@
   // TODO(hclam): Implement a faster look up method.
   for (AudioEntryMap::iterator i = audio_entries_.begin();
        i != audio_entries_.end(); ++i) {
     if (controller == i->second->controller.get())
       return i->second;
   }
   return NULL;
 }
 
 }  // namespace content