Ingnore unsupported arguments in TraceEventAnalyzer.

base/test/trace_event_analyzer.cc

Index: base/test/trace_event_analyzer.cc
diff --git a/base/test/trace_event_analyzer.cc b/base/test/trace_event_analyzer.cc
index 94d49a4636283d748b13b015214e7e2789b55ca1..adefe0a3d623aa18d52e8b0e4297b03b3058f3ee 100644
--- a/base/test/trace_event_analyzer.cc
+++ b/base/test/trace_event_analyzer.cc
@@ -94,9 +94,9 @@ bool TraceEvent::SetFromJSON(const base::Value* event_value) {
     else if (it.value().GetAsDouble(&double_num))
       arg_numbers[it.key()] = double_num;
     else {
-      LOG(ERROR) << "Value type of argument is not supported: " <<
+      LOG(WARNING) << "Value type of argument is not supported: " <<
           static_cast<int>(it.value().GetType());
-      return false;  // Invalid trace event JSON format.
+      continue;  // Skip non-supported arguments.
     }
   }