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

test/cctest/test-heap-profiler.cc

 // Copyright 2011 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 759 matching lines @@
   TestJSONStream() : eos_signaled_(0), abort_countdown_(-1) {}
   explicit TestJSONStream(int abort_countdown)
       : eos_signaled_(0), abort_countdown_(abort_countdown) {}
   virtual ~TestJSONStream() {}
   virtual void EndOfStream() { ++eos_signaled_; }
   virtual WriteResult WriteAsciiChunk(char* buffer, int chars_written) {
     if (abort_countdown_ > 0) --abort_countdown_;
     if (abort_countdown_ == 0) return kAbort;
     CHECK_GT(chars_written, 0);
     i::Vector<char> chunk = buffer_.AddBlock(chars_written, '\0');
-    i::MemCopy(chunk.start(), buffer, chars_written);
+    i::OS::MemCopy(chunk.start(), buffer, chars_written);
     return kContinue;
   }
   virtual WriteResult WriteUint32Chunk(uint32_t* buffer, int chars_written) {
     ASSERT(false);
     return kAbort;
   }
   void WriteTo(i::Vector<char> dest) { buffer_.WriteTo(dest); }
   int eos_signaled() { return eos_signaled_; }
   int size() { return buffer_.size(); }
 
@@ skipping 1886 matching lines @@
   map.AddRange(ToAddress(0x180), 0x80, 6U);
   map.AddRange(ToAddress(0x180), 0x80, 7U);
   CHECK_EQ(7, map.GetTraceNodeId(ToAddress(0x180)));
   CHECK_EQ(5, map.GetTraceNodeId(ToAddress(0x200)));
   CHECK_EQ(3, static_cast<int>(map.size()));
 
   map.Clear();
   CHECK_EQ(0, static_cast<int>(map.size()));
   CHECK_EQ(0, map.GetTraceNodeId(ToAddress(0x400)));
 }