Revert 21502 - "Move OS::MemCopy and OS::MemMove out of platform to utils"

src/heap-inl.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_HEAP_INL_H_
 #define V8_HEAP_INL_H_
 
 #include <cmath>
 
 #include "heap.h"
@@ skipping 104 matching lines @@
   // String maps are all immortal immovable objects.
   result->set_map_no_write_barrier(map);
   // Set length and hash fields of the allocated string.
   String* answer = String::cast(result);
   answer->set_length(str.length());
   answer->set_hash_field(hash_field);
 
   ASSERT_EQ(size, answer->Size());
 
   // Fill in the characters.
-  MemCopy(answer->address() + SeqOneByteString::kHeaderSize, str.start(),
-          str.length());
+  OS::MemCopy(answer->address() + SeqOneByteString::kHeaderSize,
+              str.start(), str.length());
 
   return answer;
 }
 
 
 AllocationResult Heap::AllocateTwoByteInternalizedString(Vector<const uc16> str,
                                                          uint32_t hash_field) {
   if (str.length() > String::kMaxLength) {
     return isolate()->ThrowInvalidStringLength();
   }
@@ skipping 10 matching lines @@
 
   result->set_map(map);
   // Set length and hash fields of the allocated string.
   String* answer = String::cast(result);
   answer->set_length(str.length());
   answer->set_hash_field(hash_field);
 
   ASSERT_EQ(size, answer->Size());
 
   // Fill in the characters.
-  MemCopy(answer->address() + SeqTwoByteString::kHeaderSize, str.start(),
-          str.length() * kUC16Size);
+  OS::MemCopy(answer->address() + SeqTwoByteString::kHeaderSize,
+              str.start(), str.length() * kUC16Size);
 
   return answer;
 }
 
 AllocationResult Heap::CopyFixedArray(FixedArray* src) {
   if (src->length() == 0) return src;
   return CopyFixedArrayWithMap(src, src->map());
 }
 
 
@@ skipping 253 matching lines @@
 
   if ((dst < src) || (dst >= (src + byte_size))) {
     Object** src_slot = reinterpret_cast<Object**>(src);
     Object** dst_slot = reinterpret_cast<Object**>(dst);
     Object** end_slot = src_slot + size_in_words;
 
     while (src_slot != end_slot) {
       *dst_slot++ = *src_slot++;
     }
   } else {
-    MemMove(dst, src, static_cast<size_t>(byte_size));
+    OS::MemMove(dst, src, static_cast<size_t>(byte_size));
   }
 }
 
 
 void Heap::ScavengePointer(HeapObject** p) {
   ScavengeObject(p, *p);
 }
 
 
 AllocationMemento* Heap::FindAllocationMemento(HeapObject* object) {
@@ skipping 324 matching lines @@
 
 
 double GCTracer::SizeOfHeapObjects() {
   return (static_cast<double>(heap_->SizeOfObjects())) / MB;
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_HEAP_INL_H_