Move atomic ops and related files to base library

src/circular-queue.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.
 
 #ifndef V8_CIRCULAR_QUEUE_H_
 #define V8_CIRCULAR_QUEUE_H_
 
-#include "src/atomicops.h"
+#include "src/base/atomicops.h"
 #include "src/globals.h"
 
 namespace v8 {
 namespace internal {
 
 
 // Lock-free cache-friendly sampling circular queue for large
 // records. Intended for fast transfer of large records between a
 // single producer and a single consumer. If the queue is full,
 // StartEnqueue will return NULL. The queue is designed with
@@ skipping 24 matching lines @@
   // Reserved values for the entry marker.
   enum {
     kEmpty,  // Marks clean (processed) entries.
     kFull    // Marks entries already filled by the producer but not yet
              // completely processed by the consumer.
   };
 
   struct V8_ALIGNED(PROCESSOR_CACHE_LINE_SIZE) Entry {
     Entry() : marker(kEmpty) {}
     T record;
-    Atomic32 marker;
+    base::Atomic32 marker;
   };
 
   Entry* Next(Entry* entry);
 
   Entry buffer_[Length];
   V8_ALIGNED(PROCESSOR_CACHE_LINE_SIZE) Entry* enqueue_pos_;
   V8_ALIGNED(PROCESSOR_CACHE_LINE_SIZE) Entry* dequeue_pos_;
 
   DISALLOW_COPY_AND_ASSIGN(SamplingCircularQueue);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_CIRCULAR_QUEUE_H_