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

test/cctest/test-utils.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 92 matching lines @@
 
 void TestMemMove(byte* area1,
                  byte* area2,
                  int src_offset,
                  int dest_offset,
                  int length) {
   for (int i = 0; i < kAreaSize; i++) {
     area1[i] = i & 0xFF;
     area2[i] = i & 0xFF;
   }
-  MemMove(area1 + dest_offset, area1 + src_offset, length);
+  OS::MemMove(area1 + dest_offset, area1 + src_offset, length);
   memmove(area2 + dest_offset, area2 + src_offset, length);
   if (memcmp(area1, area2, kAreaSize) != 0) {
-    printf("MemMove(): src_offset: %d, dest_offset: %d, length: %d\n",
+    printf("OS::MemMove(): src_offset: %d, dest_offset: %d, length: %d\n",
            src_offset, dest_offset, length);
     for (int i = 0; i < kAreaSize; i++) {
       if (area1[i] == area2[i]) continue;
-      printf("diff at offset %d (%p): is %d, should be %d\n", i,
-             reinterpret_cast<void*>(area1 + i), area1[i], area2[i]);
+      printf("diff at offset %d (%p): is %d, should be %d\n",
+             i, reinterpret_cast<void*>(area1 + i), area1[i], area2[i]);
     }
     CHECK(false);
   }
 }
 
 
 TEST(MemMove) {
   v8::V8::Initialize();
   byte* area1 = new byte[kAreaSize];
   byte* area2 = new byte[kAreaSize];
@@ skipping 79 matching lines @@
 TEST(SequenceCollectorRegression) {
   SequenceCollector<char> collector(16);
   collector.StartSequence();
   collector.Add('0');
   collector.AddBlock(
       i::Vector<const char>("12345678901234567890123456789012", 32));
   i::Vector<char> seq = collector.EndSequence();
   CHECK_EQ(0, strncmp("0123456789012345678901234567890123",
                       seq.start(), seq.length()));
 }