Move atomic ops and related files to base library

src/circular-queue-inl.h

Index: src/circular-queue-inl.h
diff --git a/src/circular-queue-inl.h b/src/circular-queue-inl.h
index ae784402b3dc16a8b2447d233b3032118e12f4ef..2f06f6c496f2d53656f63e39bf816a269a763d75 100644
--- a/src/circular-queue-inl.h
+++ b/src/circular-queue-inl.h
@@ -24,8 +24,8 @@ SamplingCircularQueue<T, L>::~SamplingCircularQueue() {
 
 template<typename T, unsigned L>
 T* SamplingCircularQueue<T, L>::Peek() {
-  MemoryBarrier();
-  if (Acquire_Load(&dequeue_pos_->marker) == kFull) {
+  base::MemoryBarrier();
+  if (base::Acquire_Load(&dequeue_pos_->marker) == kFull) {
     return &dequeue_pos_->record;
   }
   return NULL;
@@ -34,15 +34,15 @@ T* SamplingCircularQueue<T, L>::Peek() {
 
 template<typename T, unsigned L>
 void SamplingCircularQueue<T, L>::Remove() {
-  Release_Store(&dequeue_pos_->marker, kEmpty);
+  base::Release_Store(&dequeue_pos_->marker, kEmpty);
   dequeue_pos_ = Next(dequeue_pos_);
 }
 
 
 template<typename T, unsigned L>
 T* SamplingCircularQueue<T, L>::StartEnqueue() {
-  MemoryBarrier();
-  if (Acquire_Load(&enqueue_pos_->marker) == kEmpty) {
+  base::MemoryBarrier();
+  if (base::Acquire_Load(&enqueue_pos_->marker) == kEmpty) {
     return &enqueue_pos_->record;
   }
   return NULL;
@@ -51,7 +51,7 @@ T* SamplingCircularQueue<T, L>::StartEnqueue() {
 
 template<typename T, unsigned L>
 void SamplingCircularQueue<T, L>::FinishEnqueue() {
-  Release_Store(&enqueue_pos_->marker, kFull);
+  base::Release_Store(&enqueue_pos_->marker, kFull);
   enqueue_pos_ = Next(enqueue_pos_);
 }