Switch back to 'int' instead of uint32 and call CancelIo before closing the socket handle.

content/renderer/media/audio_input_device.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/renderer/media/audio_input_device.h"
 
 #include "base/bind.h"
 #include "base/message_loop.h"
 #include "base/threading/thread_restrictions.h"
 #include "base/time.h"
@@ skipping 257 matching lines @@
   shared_memory.Map(memory_length_);
 
   base::CancelableSyncSocket* socket = audio_socket_.get();
 
   const int samples_per_ms =
       static_cast<int>(audio_parameters_.sample_rate) / 1000;
   const int bytes_per_ms = audio_parameters_.channels *
       (audio_parameters_.bits_per_sample / 8) * samples_per_ms;
 
   while (true) {
-    uint32 pending_data = 0;
+    int pending_data = 0;
     size_t received = socket->Receive(&pending_data, sizeof(pending_data));
     if (received != sizeof(pending_data)) {
       DCHECK(received == 0U);
       break;
     }
     // TODO(henrika): investigate the provided |pending_data| value
     // and ensure that it is actually an accurate delay estimation.
 
     // Convert the number of pending bytes in the capture buffer
     // into milliseconds.
@@ skipping 41 matching lines @@
     // Close the socket to terminate the main thread function in the
     // audio thread.
     audio_socket_->Shutdown();  // Stops blocking Receive calls.
     // TODO(tommi): We must not do this from the IO thread.  Fix.
     base::ThreadRestrictions::ScopedAllowIO allow_wait;
     audio_thread_->Join();
     audio_thread_.reset(NULL);
     audio_socket_.reset();
   }
 }