Logger: introduce abstract interface for CodeEvent listeners.

src/cpu-profiler.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 166 matching lines @@
   do {                                                                      \
     Isolate* cpu_profiler_isolate = (IsolateGetter);                        \
     v8::internal::Logger* logger = cpu_profiler_isolate->logger();          \
     CpuProfiler* cpu_profiler = cpu_profiler_isolate->cpu_profiler();       \
     if (logger->is_logging_code_events() || cpu_profiler->is_profiling()) { \
       logger->Call;                                                         \
     }                                                                       \
   } while (false)
 
 
-class CpuProfiler {
+class CpuProfiler : public CodeEventLoggerBase {

[yurys, 2013/07/24 09:15:40]

Should we add virtual to the overrides for clarity?

  public:
   explicit CpuProfiler(Isolate* isolate);
 
   CpuProfiler(Isolate* isolate,
               CpuProfilesCollection* test_collection,
               ProfileGenerator* test_generator,
               ProfilerEventsProcessor* test_processor);
 
   ~CpuProfiler();
 
@@ skipping 61 matching lines @@
   bool is_profiling_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(CpuProfiler);
 };
 
 } }  // namespace v8::internal
 
 
 #endif  // V8_CPU_PROFILER_H_