Changing byte_size from size_t to int in heap-inl.h (making win64 build work)

src/heap-inl.h

 // 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
@@ skipping 222 matching lines @@
   }
 }
 
 
 void Heap::CopyBlock(Object** dst, Object** src, int byte_size) {
   ASSERT(IsAligned(byte_size, kPointerSize));
   CopyWords(dst, src, byte_size / kPointerSize);
 }
 
 
-void Heap::MoveBlock(Object** dst, Object** src, size_t byte_size) {
-  ASSERT(IsAligned<size_t>(byte_size, kPointerSize));
+void Heap::MoveBlock(Object** dst, Object** src, int byte_size) {
+  ASSERT(IsAligned(byte_size, kPointerSize));
 
   int size_in_words = byte_size / kPointerSize;
 
   if ((dst < src) || (dst >= (src + size_in_words))) {
     ASSERT((dst >= (src + size_in_words)) ||
            ((OffsetFrom(reinterpret_cast<Address>(src)) -
              OffsetFrom(reinterpret_cast<Address>(dst))) >= kPointerSize));
 
     Object** end = src + size_in_words;
 
@@ skipping 187 matching lines @@
 
 
 void ExternalStringTable::ShrinkNewStrings(int position) {
   new_space_strings_.Rewind(position);
   Verify();
 }
 
 } }  // namespace v8::internal
 
 #endif  // V8_HEAP_INL_H_