revert thread isolate in PreallocatedStorageAllocationPolicy

src/allocation.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 86 matching lines @@
 // and StrNDup uses new and calls the FatalProcessOutOfMemory handler
 // if allocation fails.
 char* StrDup(const char* str);
 char* StrNDup(const char* str, int n);
 
 
 // Allocation policy for allocating in the C free store using malloc
 // and free. Used as the default policy for lists.
 class FreeStoreAllocationPolicy {
  public:
-  typedef FreeStoreAllocationPolicy Deleter;
   INLINE(void* New(size_t size)) { return Malloced::New(size); }
   INLINE(static void Delete(void* p)) { Malloced::Delete(p); }
 };
 
 
 // Allocation policy for allocating in preallocated space.
 // Used as an allocation policy for ScopeInfo when generating
 // stack traces.
 class PreallocatedStorage {
  public:
   explicit PreallocatedStorage(size_t size);
   size_t size() { return size_; }
 
  private:
   size_t size_;
   PreallocatedStorage* previous_;
   PreallocatedStorage* next_;
 
   void LinkTo(PreallocatedStorage* other);
   void Unlink();
 
   friend class Isolate;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(PreallocatedStorage);
 };
 
 
-class Isolate;
-
-
-class PreallocatedStorageAllocationPolicy {
- public:
-  typedef PreallocatedStorageAllocationPolicy Deleter;
-  INLINE(explicit PreallocatedStorageAllocationPolicy(Isolate* isolate))
-    : isolate_(isolate) { }
-  INLINE(PreallocatedStorageAllocationPolicy(
-      const PreallocatedStorageAllocationPolicy& policy))
-    : isolate_(policy.isolate_) { }
+struct PreallocatedStorageAllocationPolicy {
   INLINE(void* New(size_t size));
-  INLINE(void Delete(void* ptr));
- private:
-  Isolate* isolate_;
+  INLINE(static void Delete(void* ptr));
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_ALLOCATION_H_