BeginTracing 45 base/test/trace_event_analyzer_unittest.cc void TraceEventAnalyzerTest::BeginTracing() { BeginTracing 32 chrome/test/base/tracing.cc bool BeginTracing(const std::string& category_patterns) { BeginTracing 172 chrome/test/base/tracing.cc bool BeginTracing(const std::string& category_patterns) {