Add cpu count to trace metadata

base/test/trace_event_analyzer_unittest.cc

Index: base/test/trace_event_analyzer_unittest.cc
diff --git a/base/test/trace_event_analyzer_unittest.cc b/base/test/trace_event_analyzer_unittest.cc
index 6cb0f36df7506785287703e799c573ab4b4918dc..48a803bd4eebad85640748351e2f8e0100a205ad 100644
--- a/base/test/trace_event_analyzer_unittest.cc
+++ b/base/test/trace_event_analyzer_unittest.cc
@@ -226,6 +226,7 @@ TEST_F(TraceEventAnalyzerTest, BooleanOperators) {
   scoped_ptr<TraceAnalyzer>
       analyzer(TraceAnalyzer::Create(output_.json_output));
   ASSERT_TRUE(!!analyzer.get());
+  analyzer->SetIgnoreMetadataEvents(true);
 
   TraceEventVector found;
 
@@ -371,6 +372,7 @@ TEST_F(TraceEventAnalyzerTest, StringPattern) {
   scoped_ptr<TraceAnalyzer>
       analyzer(TraceAnalyzer::Create(output_.json_output));
   ASSERT_TRUE(analyzer.get());
+  analyzer->SetIgnoreMetadataEvents(true);
 
   TraceEventVector found;