Avoid log spam in AudioSyncReader.

content/browser/renderer_host/media/audio_sync_reader.h

 // 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.
 
 #ifndef CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_SYNC_READER_H_
 #define CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_SYNC_READER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 #include <memory>
@@ skipping 49 matching lines @@
   // Blocks until data is ready for reading or a timeout expires.  Returns false
   // if an error or timeout occurs.
   bool WaitUntilDataIsReady();
 
   std::unique_ptr<base::SharedMemory> shared_memory_;
 
   // Mutes all incoming samples. This is used to prevent audible sound
   // during automated testing.
   const bool mute_audio_;
 
+  // Denotes that the most recent socket error has been logged. Used to avoid
+  // log spam.
+  bool had_socket_error_;
+
   // Socket for transmitting audio data.
   std::unique_ptr<base::CancelableSyncSocket> socket_;
 
   // Socket to be used by the renderer.
   std::unique_ptr<base::CancelableSyncSocket> foreign_socket_;
 
   // Shared memory wrapper used for transferring audio data to Read() callers.
   std::unique_ptr<media::AudioBus> output_bus_;
 
   // Maximum amount of audio data which can be transferred in one Read() call.
@@ skipping 12 matching lines @@
   // The index of the audio buffer we're expecting to be sent from the renderer;
   // used to block with timeout for audio data.
   uint32_t buffer_index_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioSyncReader);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_SYNC_READER_H_