Revert of Update implementation of atomics with latest Chromium version but use compiler builtin atomics

src/base/atomicops_internals_atomicword_compat.h

Index: src/base/atomicops_internals_atomicword_compat.h
diff --git a/src/base/atomicops_internals_atomicword_compat.h b/src/base/atomicops_internals_atomicword_compat.h
index 5071f442b4d3c0e6470dbe848c845ce195280dcb..4f758a72990acc22220431ef63a01c547ee48352 100644
--- a/src/base/atomicops_internals_atomicword_compat.h
+++ b/src/base/atomicops_internals_atomicword_compat.h
@@ -67,6 +67,11 @@
       reinterpret_cast<volatile Atomic32*>(ptr), value);
 }
 
+inline void Acquire_Store(volatile AtomicWord* ptr, AtomicWord value) {
+  return v8::base::Acquire_Store(
+      reinterpret_cast<volatile Atomic32*>(ptr), value);
+}
+
 inline void Release_Store(volatile AtomicWord* ptr, AtomicWord value) {
   return v8::base::Release_Store(
       reinterpret_cast<volatile Atomic32*>(ptr), value);
@@ -82,6 +87,11 @@
       reinterpret_cast<volatile const Atomic32*>(ptr));
 }
 
+inline AtomicWord Release_Load(volatile const AtomicWord* ptr) {
+  return v8::base::Release_Load(
+      reinterpret_cast<volatile const Atomic32*>(ptr));
+}
+
 }  // namespace base
 }  // namespace v8