Do not recompile existing functions when enabling allocation tracking

src/heap-profiler.h

 // Copyright 2009-2010 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 72 matching lines @@
     return is_tracking_allocations_;
   }
 
   void StartHeapAllocationsRecording();
   void StopHeapAllocationsRecording();
 
   int FindUntrackedObjects() {
     return snapshots_->FindUntrackedObjects();
   }
 
-  void DropCompiledCode();
-
  private:
   Heap* heap() const { return snapshots_->heap(); }
 
   HeapSnapshotsCollection* snapshots_;
   unsigned next_snapshot_uid_;
   List<v8::HeapProfiler::WrapperInfoCallback> wrapper_callbacks_;
   bool is_tracking_allocations_;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_HEAP_PROFILER_H_