Make HashMap a template class to specify the allocation policy.

src/bootstrapper.cc

 // 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 196 matching lines @@
   bool InstallExperimentalNatives();
   void InstallBuiltinFunctionIds();
   void InstallJSFunctionResultCaches();
   void InitializeNormalizedMapCaches();
 
   enum ExtensionTraversalState {
     UNVISITED, VISITED, INSTALLED
   };
 
   class ExtensionStates {
-  public:
+   public:
     ExtensionStates();
     ExtensionTraversalState get_state(RegisteredExtension* extension);
     void set_state(RegisteredExtension* extension,
                    ExtensionTraversalState state);
-  private:
-    Allocator allocator_;
+   private:
     HashMap map_;
     DISALLOW_COPY_AND_ASSIGN(ExtensionStates);
   };
 
   // Used both for deserialized and from-scratch contexts to add the extensions
   // provided.
   static bool InstallExtensions(Handle<Context> global_context,
                                 v8::ExtensionConfiguration* extensions);
   static bool InstallExtension(const char* name,
                                ExtensionStates* extension_states);
@@ skipping 1720 matching lines @@
 
 static uint32_t Hash(RegisteredExtension* extension) {
   return v8::internal::ComputePointerHash(extension);
 }
 
 static bool MatchRegisteredExtensions(void* key1, void* key2) {
   return key1 == key2;
 }
 
 Genesis::ExtensionStates::ExtensionStates()
-  : allocator_(),
-    map_(MatchRegisteredExtensions, &allocator_, 8)
-  {}
+  : map_(MatchRegisteredExtensions, 8) { }
 
 Genesis::ExtensionTraversalState Genesis::ExtensionStates::get_state(
     RegisteredExtension* extension) {
   i::HashMap::Entry* entry = map_.Lookup(extension, Hash(extension), false);
   if (entry == NULL) {
     return UNVISITED;
   }
   return static_cast<ExtensionTraversalState>(
       reinterpret_cast<intptr_t>(entry->value));
 }
@@ skipping 382 matching lines @@
   return from + sizeof(NestingCounterType);
 }
 
 
 // Called when the top-level V8 mutex is destroyed.
 void Bootstrapper::FreeThreadResources() {
   ASSERT(!IsActive());
 }
 
 } }  // namespace v8::internal