Remove unused parameter to OnError()

media/audio/win/audio_unified_win.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 "media/audio/win/audio_unified_win.h"
 
 #include <Functiondiscoverykeys_devpkey.h>
 
 #include "base/debug/trace_event.h"
 #include "base/time.h"
@@ skipping 552 matching lines @@
   if (mm_task && !avrt::AvRevertMmThreadCharacteristics(mm_task)) {
     PLOG(WARNING) << "Failed to disable MMCSS";
   }
 }
 
 void WASAPIUnifiedStream::HandleError(HRESULT err) {
   CHECK((started() && GetCurrentThreadId() == audio_io_thread_->tid()) ||
         (!started() && GetCurrentThreadId() == creating_thread_id_));
   NOTREACHED() << "Error code: " << std::hex << err;
   if (source_)
-    source_->OnError(this, static_cast<int>(err));
+    source_->OnError(this);
 }
 
 void WASAPIUnifiedStream::StopAndJoinThread(HRESULT err) {
   CHECK(GetCurrentThreadId() == creating_thread_id_);
   DCHECK(audio_io_thread_.get());
   SetEvent(stop_streaming_event_.Get());
   audio_io_thread_->Join();
   audio_io_thread_.reset();
   HandleError(err);
 }
 
 }  // namespace media