Index: content/browser/tracing/tracing_controller_impl.cc |
diff --git a/content/browser/tracing/tracing_controller_impl.cc b/content/browser/tracing/tracing_controller_impl.cc |
index 70edf234be4be8849a0883912a32216293d48130..52e3047791b95bd39451d459856ed664d391d80e 100644 |
--- a/content/browser/tracing/tracing_controller_impl.cc |
+++ b/content/browser/tracing/tracing_controller_impl.cc |
@@ -701,7 +701,7 @@ void TracingControllerImpl::OnEndAgentTracingAcked( |
const scoped_refptr<base::RefCountedString>& events_str_ptr) { |
DCHECK_CURRENTLY_ON(BrowserThread::UI); |
- if (trace_data_sink_.get()) { |
+ if (trace_data_sink_.get() && events_str_ptr && !events_str_ptr->empty()) { |
std::string json_string; |
if (agent_name == kETWTracingAgentName) { |
// The Windows kernel events are kept into a JSON format stored as string |