Move atomic ops and related files to base library

src/base/atomicops_internals_x86_msvc.h

 // Copyright 2010 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.
 
 // This file is an internal atomic implementation, use atomicops.h instead.
 
-#ifndef V8_ATOMICOPS_INTERNALS_X86_MSVC_H_
-#define V8_ATOMICOPS_INTERNALS_X86_MSVC_H_
+#ifndef V8_BASE_ATOMICOPS_INTERNALS_X86_MSVC_H_
+#define V8_BASE_ATOMICOPS_INTERNALS_X86_MSVC_H_
 
 #include "src/base/macros.h"
-#include "src/win32-headers.h"
+#include "src/base/win32-headers.h"
 
 #if defined(V8_HOST_ARCH_64_BIT)
 // windows.h #defines this (only on x64). This causes problems because the
 // public API also uses MemoryBarrier at the public name for this fence. So, on
 // X64, undef it, and call its documented
 // (http://msdn.microsoft.com/en-us/library/windows/desktop/ms684208.aspx)
 // implementation directly.
 #undef MemoryBarrier
 #endif
 
 namespace v8 {
-namespace internal {
+namespace base {
 
 inline Atomic32 NoBarrier_CompareAndSwap(volatile Atomic32* ptr,
                                          Atomic32 old_value,
                                          Atomic32 new_value) {
   LONG result = InterlockedCompareExchange(
       reinterpret_cast<volatile LONG*>(ptr),
       static_cast<LONG>(new_value),
       static_cast<LONG>(old_value));
   return static_cast<Atomic32>(result);
 }
@@ skipping 156 matching lines @@
 
 inline Atomic64 Release_CompareAndSwap(volatile Atomic64* ptr,
                                        Atomic64 old_value,
                                        Atomic64 new_value) {
   return NoBarrier_CompareAndSwap(ptr, old_value, new_value);
 }
 
 
 #endif  // defined(_WIN64)
 
-} }  // namespace v8::internal
+} }  // namespace v8::base
 
-#endif  // V8_ATOMICOPS_INTERNALS_X86_MSVC_H_
+#endif  // V8_BASE_ATOMICOPS_INTERNALS_X86_MSVC_H_