[profiler] Fix a memory leak of CodeEvent objects

src/profiler/cpu-profiler.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_PROFILER_CPU_PROFILER_H_
 #define V8_PROFILER_CPU_PROFILER_H_
 
 #include <memory>
 
 #include "src/allocation.h"
@@ skipping 202 matching lines @@
   ProfileGenerator* generator() const { return generator_.get(); }
   ProfilerEventsProcessor* processor() const { return processor_.get(); }
   Isolate* isolate() const { return isolate_; }
 
  private:
   void StartProcessorIfNotStarted();
   void StopProcessorIfLastProfile(const char* title);
   void StopProcessor();
   void ResetProfiles();
   void LogBuiltins();
+  void CreateEntriesForRuntimeCallStats();
 
   Isolate* const isolate_;
   base::TimeDelta sampling_interval_;
   std::unique_ptr<CpuProfilesCollection> profiles_;
   std::unique_ptr<ProfileGenerator> generator_;
   std::unique_ptr<ProfilerEventsProcessor> processor_;
+  std::vector<std::unique_ptr<CodeEntry>> static_entries_;
   bool saved_is_logging_;
   bool is_profiling_;
 
   DISALLOW_COPY_AND_ASSIGN(CpuProfiler);
 };
 
 }  // namespace internal
 }  // namespace v8
 
 
 #endif  // V8_PROFILER_CPU_PROFILER_H_