Add an explicit way of making IDs local or global

base/test/trace_event_analyzer.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Use trace_analyzer::Query and trace_analyzer::TraceAnalyzer to search for
 // specific trace events that were generated by the trace_event.h API.
 //
 // Basic procedure:
 // - Get trace events JSON string from base::trace_event::TraceLog.
 // - Create TraceAnalyzer with JSON string.
@@ skipping 147 matching lines @@
   ProcessThreadID thread;
 
   // Time since epoch in microseconds.
   // Stored as double to match its JSON representation.
   double timestamp;
   double duration;
   char phase;
   std::string category;
   std::string name;
   std::string id;
+  std::string local_id;
+  std::string global_id;
 
   // All numbers and bool values from TraceEvent args are cast to double.
   // bool becomes 1.0 (true) or 0.0 (false).
   std::map<std::string, double> arg_numbers;
   std::map<std::string, std::string> arg_strings;
   std::map<std::string, std::unique_ptr<base::Value>> arg_values;
 
   // The other event associated with this event (or NULL).
   const TraceEvent* other_event;
 };
@@ skipping 528 matching lines @@
 
 // Count all matches.
 static inline size_t CountMatches(const TraceEventVector& events,
                                   const Query& query) {
   return CountMatches(events, query, 0u, events.size());
 }
 
 }  // namespace trace_analyzer
 
 #endif  // BASE_TEST_TRACE_EVENT_ANALYZER_H_