testing

chrome/test/base/tracing.cc

Index: chrome/test/base/tracing.cc
diff --git a/chrome/test/base/tracing.cc b/chrome/test/base/tracing.cc
index a82b65cc6ec6dadfb479bda49dd3522d7fb34002..e277f06e804d4aa61548e832e03309ba9d3255ef 100644
--- a/chrome/test/base/tracing.cc
+++ b/chrome/test/base/tracing.cc
@@ -55,11 +55,10 @@ class InProcessTraceController {
         watch_notification_count_(0) {}
   virtual ~InProcessTraceController() {}
 
-  bool BeginTracing(const std::string& category_patterns) {
+  bool BeginTracing(const base::trace_event::TraceConfig& trace_config) {
     DCHECK_CURRENTLY_ON(BrowserThread::UI);
     return content::TracingController::GetInstance()->StartTracing(
-        base::trace_event::TraceConfig(category_patterns, ""),
-        content::TracingController::StartTracingDoneCallback());
+        trace_config, content::TracingController::StartTracingDoneCallback());
   }
 
   bool BeginTracingWithWatch(const std::string& category_patterns,
@@ -164,9 +163,8 @@ class InProcessTraceController {
 
 namespace tracing {
 
-bool BeginTracing(const std::string& category_patterns) {
-  return InProcessTraceController::GetInstance()->BeginTracing(
-      category_patterns);
+bool BeginTracing(const base::trace_event::TraceConfig& trace_config) {
+  return InProcessTraceController::GetInstance()->BeginTracing(trace_config);
 }
 
 bool BeginTracingWithWatch(const std::string& category_patterns,