Index: chrome/test/ui/ui_test.cc |
diff --git a/chrome/test/ui/ui_test.cc b/chrome/test/ui/ui_test.cc |
index cf839fbfd4ffb74ad85cd0946347296bbc796160..40bdf16799b7915317cb71dd5f5e7274446fde92 100644 |
--- a/chrome/test/ui/ui_test.cc |
+++ b/chrome/test/ui/ui_test.cc |
@@ -516,7 +516,7 @@ bool UITestBase::BeginTracing(const std::string& categories) { |
std::string UITestBase::EndTracing() { |
std::string json_trace_output; |
if (!automation()->EndTracing(&json_trace_output)) |
- return ""; |
+ return std::string(); |
return json_trace_output; |
} |