Move atomic ops and related files to base library

src/sampler.h

 // Copyright 2013 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_SAMPLER_H_
 #define V8_SAMPLER_H_
 
-#include "src/atomicops.h"
+#include "src/base/atomicops.h"
 #include "src/frames.h"
 #include "src/globals.h"
 
 namespace v8 {
 namespace internal {
 
 class Isolate;
 
 // ----------------------------------------------------------------------------
 // Sampler
@@ skipping 48 matching lines @@
 
   // Performs stack sampling.
   void SampleStack(const RegisterState& regs);
 
   // Start and stop sampler.
   void Start();
   void Stop();
 
   // Whether the sampling thread should use this Sampler for CPU profiling?
   bool IsProfiling() const {
-    return NoBarrier_Load(&profiling_) > 0 &&
-        !NoBarrier_Load(&has_processing_thread_);
+    return base::NoBarrier_Load(&profiling_) > 0 &&
+        !base::NoBarrier_Load(&has_processing_thread_);
   }
   void IncreaseProfilingDepth();
   void DecreaseProfilingDepth();
 
   // Whether the sampler is running (that is, consumes resources).
-  bool IsActive() const { return NoBarrier_Load(&active_); }
+  bool IsActive() const { return base::NoBarrier_Load(&active_); }
 
   void DoSample();
   // If true next sample must be initiated on the profiler event processor
   // thread right after latest sample is processed.
   void SetHasProcessingThread(bool value) {
-    NoBarrier_Store(&has_processing_thread_, value);
+    base::NoBarrier_Store(&has_processing_thread_, value);
   }
 
   // Used in tests to make sure that stack sampling is performed.
   unsigned js_and_external_sample_count() const {
     return js_and_external_sample_count_;
   }
   void StartCountingSamples() {
       is_counting_samples_ = true;
       js_and_external_sample_count_ = 0;
   }
 
   class PlatformData;
   PlatformData* platform_data() const { return data_; }
 
  protected:
   // This method is called for each sampling period with the current
   // program counter.
   virtual void Tick(TickSample* sample) = 0;
 
  private:
-  void SetActive(bool value) { NoBarrier_Store(&active_, value); }
+  void SetActive(bool value) { base::NoBarrier_Store(&active_, value); }
 
   Isolate* isolate_;
   const int interval_;
-  Atomic32 profiling_;
-  Atomic32 has_processing_thread_;
-  Atomic32 active_;
+  base::Atomic32 profiling_;
+  base::Atomic32 has_processing_thread_;
+  base::Atomic32 active_;
   PlatformData* data_;  // Platform specific data.
   bool is_counting_samples_;
   // Counts stack samples taken in JS VM state.
   unsigned js_and_external_sample_count_;
   DISALLOW_IMPLICIT_CONSTRUCTORS(Sampler);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_SAMPLER_H_