Eliminate the need for code delete events in CPU profiler.

src/profile-generator-inl.h

 // Copyright 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 60 matching lines @@
 
 ProfileNode::ProfileNode(ProfileTree* tree, CodeEntry* entry)
     : tree_(tree),
       entry_(entry),
       total_ticks_(0),
       self_ticks_(0),
       children_(CodeEntriesMatch) {
 }
 
 
-void CodeMap::AddCode(Address addr, CodeEntry* entry, unsigned size) {
-  CodeTree::Locator locator;
-  tree_.Insert(addr, &locator);
-  locator.set_value(CodeEntryInfo(entry, size));
-}
-
-
-void CodeMap::MoveCode(Address from, Address to) {
-  tree_.Move(from, to);
-}
-
-void CodeMap::DeleteCode(Address addr) {
-  tree_.Remove(addr);
-}
-
-
 CodeEntry* ProfileGenerator::EntryForVMState(StateTag tag) {
   switch (tag) {
     case GC:
       return gc_entry_;
     case JS:
     case COMPILER:
     // DOM events handlers are reported as OTHER / EXTERNAL entries.
     // To avoid confusing people, let's put all these entries into
     // one bucket.
     case OTHER:
     case EXTERNAL:
       return program_entry_;
     default: return NULL;
   }
 }
 
 
 uint64_t HeapEntry::id() {
   union {
     Id stored_id;
     uint64_t returned_id;
   } id_adaptor = {id_};
   return id_adaptor.returned_id;
 }
 
 } }  // namespace v8::internal
 
 #endif  // V8_PROFILE_GENERATOR_INL_H_