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diff --git a/v8/src/serialize.h b/v8/src/serialize.h
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--- a/v8/src/serialize.h
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@@ -1,335 +0,0 @@
-// Copyright 2006-2008 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
-//       with the distribution.
-//     * Neither the name of Google Inc. nor the names of its
-//       contributors may be used to endorse or promote products derived
-//       from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-#ifndef V8_SERIALIZE_H_
-#define V8_SERIALIZE_H_
-
-#include "hashmap.h"
-
-namespace v8 { namespace internal {
-
-// A TypeCode is used to distinguish different kinds of external reference.
-// It is a single bit to make testing for types easy.
-enum TypeCode {
-  UNCLASSIFIED,        // One-of-a-kind references.
-  BUILTIN,
-  RUNTIME_FUNCTION,
-  IC_UTILITY,
-  DEBUG_ADDRESS,
-  STATS_COUNTER,
-  TOP_ADDRESS,
-  C_BUILTIN,
-  EXTENSION,
-  ACCESSOR,
-  RUNTIME_ENTRY,
-  STUB_CACHE_TABLE
-};
-
-const int kTypeCodeCount = STUB_CACHE_TABLE + 1;
-const int kFirstTypeCode = UNCLASSIFIED;
-
-const int kReferenceIdBits = 16;
-const int kReferenceIdMask = (1 << kReferenceIdBits) - 1;
-const int kReferenceTypeShift = kReferenceIdBits;
-const int kDebugRegisterBits = 4;
-const int kDebugIdShift = kDebugRegisterBits;
-
-
-class ExternalReferenceEncoder {
- public:
-  ExternalReferenceEncoder();
-
-  uint32_t Encode(Address key) const;
-
-  const char* NameOfAddress(Address key) const;
-
- private:
-  HashMap encodings_;
-  static uint32_t Hash(Address key) {
-    return reinterpret_cast<uint32_t>(key) >> 2;
-  }
-
-  int IndexOf(Address key) const;
-
-  static bool Match(void* key1, void* key2) { return key1 == key2; }
-
-  void Put(Address key, int index);
-};
-
-
-class ExternalReferenceDecoder {
- public:
-  ExternalReferenceDecoder();
-  ~ExternalReferenceDecoder();
-
-  Address Decode(uint32_t key) const {
-    if (key == 0) return NULL;
-    return *Lookup(key);
-  }
-
- private:
-  Address** encodings_;
-
-  Address* Lookup(uint32_t key) const {
-    int type = key >> kReferenceTypeShift;
-    ASSERT(kFirstTypeCode <= type && type < kTypeCodeCount);
-    int id = key & kReferenceIdMask;
-    return &encodings_[type][id];
-  }
-
-  void Put(uint32_t key, Address value) {
-    *Lookup(key) = value;
-  }
-};
-
-
-// A Serializer recursively visits objects to construct a serialized
-// representation of the Heap stored in a string. Serialization is
-// destructive. We use a similar mechanism to the GC to ensure that
-// each object is visited once, namely, we modify the map pointer of
-// each visited object to contain the relative address in the
-// appropriate space where that object will be allocated when the heap
-// is deserialized.
-
-
-// Helper classes defined in serialize.cc.
-class RelativeAddress;
-class SimulatedHeapSpace;
-class SnapshotWriter;
-class ReferenceUpdater;
-
-
-class Serializer: public ObjectVisitor {
- public:
-  Serializer();
-
-  virtual ~Serializer();
-
-  // Serialize the current state of the heap. This operation destroys the
-  // heap contents and the contents of the roots into the heap.
-  void Serialize();
-
-  // Returns the serialized buffer. Ownership is transferred to the
-  // caller. Only the destructor and getters may be called after this call.
-  void Finalize(byte** str, int* len);
-
-  int roots() { return roots_; }
-  int objects() { return objects_; }
-
-#ifdef DEBUG
-  // insert "tag" into the serialized stream
-  virtual void Synchronize(const char* tag);
-#endif
-
-  static bool enabled() { return serialization_enabled_; }
-
-  static void Enable() { serialization_enabled_ = true; }
-  static void Disable() { serialization_enabled_ = false; }
-
- private:
-  friend class ReferenceUpdater;
-
-  virtual void VisitPointers(Object** start, Object** end);
-
-  bool IsVisited(HeapObject* obj);
-
-  Address GetSavedAddress(HeapObject* obj);
-
-  void SaveAddress(HeapObject* obj, Address addr);
-
-  void PutEncodedAddress(Address addr);
-  // Write the global flags into the file.
-  void PutFlags();
-  // Write global information into the header of the file.
-  void PutHeader();
-  // Write the contents of the log into the file.
-  void PutLog();
-  // Serialize 'obj', and return its encoded RelativeAddress.
-  Address PutObject(HeapObject* obj);
-  // Write a stack of handles to the file bottom first.
-  void PutGlobalHandleStack(const List<Handle<Object> >& stack);
-  // Write the context stack into the file.
-  void PutContextStack();
-
-  // Return the encoded RelativeAddress where this object will be
-  // allocated on deserialization. On the first visit of 'o',
-  // serialize its contents. On return, *serialized will be true iff
-  // 'o' has just been serialized.
-  Address Encode(Object* o, bool* serialized);
-
-  // Simulate the allocation of 'obj', returning the address where it will
-  // be allocated on deserialization
-  RelativeAddress Allocate(HeapObject* obj);
-
-  void InitializeAllocators();
-
-  SnapshotWriter* writer_;
-  bool root_;  // serializing a root?
-  int roots_;  // number of roots visited
-  int objects_;  // number of objects serialized
-
-  static bool serialization_enabled_;
-
-  int flags_end_;  // The position right after the flags.
-
-  // An array of per-space SimulatedHeapSpacees used as memory allocators.
-  SimulatedHeapSpace* allocator_[LAST_SPACE+1];
-  // A list of global handles at serialization time.
-  List<Object**> global_handles_;
-
-  ExternalReferenceEncoder* reference_encoder_;
-
-  HashMap saved_addresses_;
-
-  DISALLOW_COPY_AND_ASSIGN(Serializer);
-};
-
-// Helper class to read the bytes of the serialized heap.
-
-class SnapshotReader {
- public:
-  SnapshotReader(const byte* str, int len): str_(str), end_(str + len) {}
-
-  void ExpectC(char expected) {
-    int c = GetC();
-    USE(c);
-    ASSERT(c == expected);
-  }
-
-  int GetC() {
-    if (str_ >= end_) return EOF;
-    return *str_++;
-  }
-
-  int GetInt() {
-    int result;
-    GetBytes(reinterpret_cast<Address>(&result), sizeof(result));
-    return result;
-  }
-
-  void GetBytes(Address a, int size) {
-    ASSERT(str_ + size <= end_);
-    memcpy(a, str_, size);
-    str_ += size;
-  }
-
-  char* GetString() {
-    ExpectC('[');
-    int size = GetInt();
-    ExpectC(']');
-    char* s = NewArray<char>(size + 1);
-    GetBytes(reinterpret_cast<Address>(s), size);
-    s[size] = 0;
-    return s;
-  }
-
- private:
-  const byte* str_;
-  const byte* end_;
-};
-
-
-// A Deserializer reads a snapshot and reconstructs the Object graph it defines.
-
-class Deserializer: public ObjectVisitor {
- public:
-  // Create a deserializer. The snapshot is held in str and has size len.
-  Deserializer(const byte* str, int len);
-
-  virtual ~Deserializer();
-
-  // Read the flags from the header of the file, and set those that
-  // should be inherited from the snapshot.
-  void GetFlags();
-
-  // Read saved profiling information from the file and log it if required.
-  void GetLog();
-
-  // Deserialize the snapshot into an empty heap.
-  void Deserialize();
-
-  int roots() { return roots_; }
-  int objects() { return objects_; }
-
-#ifdef DEBUG
-  // Check for the presence of "tag" in the serialized stream
-  virtual void Synchronize(const char* tag);
-#endif
-
- private:
-  virtual void VisitPointers(Object** start, Object** end);
-  virtual void VisitExternalReferences(Address* start, Address* end);
-  virtual void VisitRuntimeEntry(RelocInfo* rinfo);
-
-  Address GetEncodedAddress();
-
-  // Read other global information (except flags) from the header of the file.
-  void GetHeader();
-  // Read a stack of handles from the file bottom first.
-  void GetGlobalHandleStack(List<Handle<Object> >* stack);
-  // Read the context stack from the file.
-  void GetContextStack();
-
-  Object* GetObject();
-
-  // Get the encoded address. In debug mode we make sure
-  // it matches the given expectations.
-  void ExpectEncodedAddress(Address expected);
-
-  // Given an encoded address (the result of
-  // RelativeAddress::Encode), return the object to which it points,
-  // which will be either an Smi or a HeapObject in the current heap.
-  Object* Resolve(Address encoded_address);
-
-  SnapshotReader reader_;
-  bool root_;  // Deserializing a root?
-  int roots_;  // number of roots visited
-  int objects_;  // number of objects serialized
-
-  bool has_log_;  // The file has log information.
-
-  // Resolve caches the following:
-  List<Page*> map_pages_;          // All pages in the map space.
-  List<Page*> old_pointer_pages_;  // All pages in the old pointer space.
-  List<Page*> old_data_pages_;     // All pages in the old data space.
-  List<Page*> code_pages_;
-  List<Object*> large_objects_;    // All known large objects.
-  // A list of global handles at deserialization time.
-  List<Object**> global_handles_;
-
-  ExternalReferenceDecoder* reference_decoder_;
-
-#ifdef DEBUG
-  bool expect_debug_information_;
-#endif
-
-  DISALLOW_COPY_AND_ASSIGN(Deserializer);
-};
-
-} }  // namespace v8::internal
-
-#endif  // V8_SERIALIZE_H_