Avoid log spam in AudioSyncReader.

content/browser/renderer_host/media/audio_input_sync_writer.cc

Index: content/browser/renderer_host/media/audio_input_sync_writer.cc
diff --git a/content/browser/renderer_host/media/audio_input_sync_writer.cc b/content/browser/renderer_host/media/audio_input_sync_writer.cc
index c72b1cd7b0e5b1be50ccc754bcb6fc4d1b5dd336..b1767aff03a860669ff108814537d5bc39f297c2 100644
--- a/content/browser/renderer_host/media/audio_input_sync_writer.cc
+++ b/content/browser/renderer_host/media/audio_input_sync_writer.cc
@@ -5,6 +5,7 @@
 #include "content/browser/renderer_host/media/audio_input_sync_writer.h"
 
 #include <algorithm>
+#include <utility>
 
 #include "base/format_macros.h"
 #include "base/metrics/histogram_macros.h"
@@ -47,6 +48,7 @@ AudioInputSyncWriter::AudioInputSyncWriter(void* shared_memory,
       write_count_(0),
       write_to_fifo_count_(0),
       write_error_count_(0),
+      had_socket_error_(false),
       trailing_write_to_fifo_count_(0),
       trailing_write_error_count_(0) {
   DCHECK_GT(shared_memory_segment_count, 0);
@@ -328,13 +330,20 @@ void AudioInputSyncWriter::WriteParametersToCurrentSegment(
 bool AudioInputSyncWriter::SignalDataWrittenAndUpdateCounters() {
   if (socket_->Send(&current_segment_id_, sizeof(current_segment_id_)) !=
       sizeof(current_segment_id_)) {
-    const std::string error_message = "AISW: No room in socket buffer.";
-    LOG(WARNING) << error_message;
-    AddToNativeLog(error_message);
-    TRACE_EVENT_INSTANT0("audio",
-                         "AudioInputSyncWriter: No room in socket buffer",
-                         TRACE_EVENT_SCOPE_THREAD);
+    // Ensure we don't log consecutive errors as this can lead to a large
+    // amount of logs.
+    if (!had_socket_error_) {
+      had_socket_error_ = true;
+      const std::string error_message = "AISW: No room in socket buffer.";
+      PLOG(WARNING) << error_message;
+      AddToNativeLog(error_message);
+      TRACE_EVENT_INSTANT0("audio",
+                           "AudioInputSyncWriter: No room in socket buffer",
+                           TRACE_EVENT_SCOPE_THREAD);
+    }
     return false;
+  } else {
+    had_socket_error_ = false;
   }
 
   if (++current_segment_id_ >= shared_memory_segment_count_)