Improve logging related to start/stop and failure of audio input streams in Chrome

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 117fbe8fedbbec72e086e7a22597ef126ff2b238..6a78f6cc784aad4f4689d22f743ff71308e30784 100644
--- a/content/browser/renderer_host/media/audio_input_sync_writer.cc
+++ b/content/browser/renderer_host/media/audio_input_sync_writer.cc
@@ -60,18 +60,20 @@ void AudioInputSyncWriter::Write(const media::AudioBus* data,
   if (last_write_time_.is_null()) {
     // This is the first time Write is called.
     base::TimeDelta interval = base::Time::Now() - creation_time_;
-    oss << "Audio input data received for the first time: delay = "
-        << interval.InMilliseconds() << "ms.";
+    oss << "AISW::Write => audio input data received for the first time: delay "
+           "= " << interval.InMilliseconds() << "ms";
 
   } else {
     base::TimeDelta interval = base::Time::Now() - last_write_time_;
     if (interval > kLogDelayThreadhold) {
-      oss << "Audio input data delay unexpectedly long: delay = "
-          << interval.InMilliseconds() << "ms.";
+      oss << "AISW::Write => audio input data delay unexpectedly long: delay = "
+          << interval.InMilliseconds() << "ms";
     }
   }
-  if (!oss.str().empty())
+  if (!oss.str().empty()) {
     MediaStreamManager::SendMessageToNativeLog(oss.str());
+    DVLOG(1) << oss.str();
+  }
 
   last_write_time_ = base::Time::Now();
 #endif