[chrome/common/renderer/media && chrome/common/renderer/safe_browsing] Convert VLOGs to DVLOGs

chrome/renderer/media/cast_session_delegate.cc

Index: chrome/renderer/media/cast_session_delegate.cc
diff --git a/chrome/renderer/media/cast_session_delegate.cc b/chrome/renderer/media/cast_session_delegate.cc
index c90982c8c9624abd47deb215ed498af62f471c56..603de20e6313a8943881953f1e2da224e01ac45e 100644
--- a/chrome/renderer/media/cast_session_delegate.cc
+++ b/chrome/renderer/media/cast_session_delegate.cc
@@ -164,7 +164,7 @@ void CastSessionDelegate::GetEventLogsAndReset(
                                               &output_bytes);
 
   if (!success) {
-    VLOG(2) << "Failed to serialize event log.";
+    DVLOG(2) << "Failed to serialize event log.";
     callback.Run(make_scoped_ptr(new base::BinaryValue).Pass());
     return;
   }