Avoid log spam in AudioSyncReader.

content/browser/renderer_host/media/audio_input_sync_writer.h

Index: content/browser/renderer_host/media/audio_input_sync_writer.h
diff --git a/content/browser/renderer_host/media/audio_input_sync_writer.h b/content/browser/renderer_host/media/audio_input_sync_writer.h
index 880e49c2fc9e9b985f1adb1b8ea02ced5ccc6f9a..2eec1616cf5d376be3505afcaba223487acd6947 100644
--- a/content/browser/renderer_host/media/audio_input_sync_writer.h
+++ b/content/browser/renderer_host/media/audio_input_sync_writer.h
@@ -10,6 +10,7 @@
 
 #include <deque>
 #include <memory>
+#include <string>
 #include <vector>
 
 #include "base/gtest_prod_util.h"
@@ -142,6 +143,10 @@ class CONTENT_EXPORT AudioInputSyncWriter
   // the fifo or the socket buffer being full.
   size_t write_error_count_;
 
+  // True if an error has been reported for sync socket sends. Used to avoid
+  // log spam.
+  bool had_socket_error_;
+
   // Counts the fifo writes and errors we get during renderer process teardown
   // so that we can account for that (subtract) when we calculate the overall
   // counts.