[Startup Tracing] Hook up TraceConfig and remove CategoryFilter & TraceOptions

net/log/trace_net_log_observer_unittest.cc

Index: net/log/trace_net_log_observer_unittest.cc
diff --git a/net/log/trace_net_log_observer_unittest.cc b/net/log/trace_net_log_observer_unittest.cc
index d32b8cd23739d21d281d1be709f46af9d5e50e28..a375b152f396eb09fa4c3f8d8a6ffad6819284be 100644
--- a/net/log/trace_net_log_observer_unittest.cc
+++ b/net/log/trace_net_log_observer_unittest.cc
@@ -91,8 +91,8 @@ class TraceNetLogObserverTest : public testing::Test {
 
   static void EnableTraceLog() {
     TraceLog::GetInstance()->SetEnabled(
-        base::trace_event::CategoryFilter(kNetLogTracingCategory),
-        TraceLog::RECORDING_MODE, base::trace_event::TraceOptions());
+        base::trace_event::TraceConfig(kNetLogTracingCategory, ""),
+        TraceLog::RECORDING_MODE);
   }
 
   void EndTraceAndFlush() {