trace_event: distinguish between scoped begin/end and global start/finish events

base/test/trace_event_analyzer.h

 // Copyright (c) 2011 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::debug::TraceLog.
 // - Create TraceAnalyzer with JSON string.
@@ skipping 235 matching lines @@
 
   // Compare with the given string pattern. Only works with == and != operators.
   // Example: Query(EVENT_NAME) == Query::Pattern("MyEvent*")
   static Query Pattern(const std::string& pattern);
 
   // Common queries:
 
   // Find BEGIN events that have a corresponding END event.
   static Query MatchBeginWithEnd() {
     return (Query(EVENT_PHASE) ==
-            Query::Phase(base::debug::TRACE_EVENT_PHASE_BEGIN)) &&
+            Query::Phase(TRACE_EVENT_PHASE_BEGIN)) &&
            Query(EVENT_HAS_OTHER);
   }
 
   // Find BEGIN events of given |name| which also have associated END events.
   static Query MatchBeginName(const std::string& name) {
     return (Query(EVENT_NAME) == name) && MatchBeginWithEnd();
   }
 
   // Match given Process ID and Thread ID.
   static Query MatchThread(const TraceEvent::ProcessThreadID& thread) {
@@ skipping 205 matching lines @@
   std::map<TraceEvent::ProcessThreadID, std::string> thread_names_;
   std::vector<TraceEvent> raw_events_;
   bool allow_assocation_changes_;
 
   DISALLOW_COPY_AND_ASSIGN(TraceAnalyzer);
 };
 
 }  // namespace trace_analyzer
 
 #endif  // BASE_TEST_TRACE_EVENT_ANALYZER_H_