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

src/debug.cc

 // 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.
 
 #include "v8.h"
 
 #include "api.h"
 #include "arguments.h"
 #include "bootstrapper.h"
 #include "code-stubs.h"
@@ skipping 497 matching lines @@
   // TODO(isolates): frames_are_dropped_?
   thread_local_.debugger_entry_ = NULL;
   thread_local_.has_pending_interrupt_ = false;
   thread_local_.restarter_frame_function_pointer_ = NULL;
   thread_local_.promise_on_stack_ = NULL;
 }
 
 
 char* Debug::ArchiveDebug(char* storage) {
   char* to = storage;
-  MemCopy(to, reinterpret_cast<char*>(&thread_local_), sizeof(ThreadLocal));
+  OS::MemCopy(to, reinterpret_cast<char*>(&thread_local_), sizeof(ThreadLocal));
   ThreadInit();
   return storage + ArchiveSpacePerThread();
 }
 
 
 char* Debug::RestoreDebug(char* storage) {
   char* from = storage;
-  MemCopy(reinterpret_cast<char*>(&thread_local_), from, sizeof(ThreadLocal));
+  OS::MemCopy(
+      reinterpret_cast<char*>(&thread_local_), from, sizeof(ThreadLocal));
   return storage + ArchiveSpacePerThread();
 }
 
 
 int Debug::ArchiveSpacePerThread() {
   return sizeof(ThreadLocal);
 }
 
 
 // Frame structure (conforms InternalFrame structure):
@@ skipping 3005 matching lines @@
   logger_->DebugEvent("Put", message.text());
 }
 
 
 void LockingCommandMessageQueue::Clear() {
   LockGuard<Mutex> lock_guard(&mutex_);
   queue_.Clear();
 }
 
 } }  // namespace v8::internal