Switch OnMoreData() to use AudioBus.

ppapi/proxy/ppb_audio_proxy.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 "ppapi/proxy/ppb_audio_proxy.h"
 
 #include "base/compiler_specific.h"
 #include "base/threading/simple_thread.h"
 #include "media/audio/shared_memory_util.h"
 #include "ppapi/c/pp_errors.h"
@@ skipping 304 matching lines @@
   CHECK(handle.is_shmem());
   EnterPluginFromHostResource<PPB_Audio_API> enter(audio_id);
   if (enter.failed() || result_code != PP_OK) {
     // The caller may still have given us these handles in the failure case.
     // The easiest way to clean these up is to just put them in the objects
     // and then close them. This failure case is not performance critical.
     base::SyncSocket temp_socket(
         IPC::PlatformFileForTransitToPlatformFile(socket_handle.descriptor()));
     base::SharedMemory temp_mem(handle.shmem(), false);
   } else {
+    EnterResourceNoLock<PPB_AudioConfig_API> config(
+        static_cast<Audio*>(enter.object())->GetCurrentConfig(), true);
     // See the comment above about how we must call
     // TotalSharedMemorySizeInBytes to get the actual size of the buffer. Here,
     // we must call PacketSizeInBytes to get back the size of the audio buffer,
     // excluding the bytes that audio uses for book-keeping.
     static_cast<Audio*>(enter.object())->SetStreamInfo(
         enter.resource()->pp_instance(), handle.shmem(),
         media::PacketSizeInBytes(handle.size()),
-        IPC::PlatformFileForTransitToPlatformFile(socket_handle.descriptor()));
+        IPC::PlatformFileForTransitToPlatformFile(socket_handle.descriptor()),
+        config.object()->GetSampleFrameCount());
   }
 }
 
 }  // namespace proxy
 }  // namespace ppapi