Move atomic ops and related files to base library

src/optimizing-compiler-thread.h

Index: src/optimizing-compiler-thread.h
diff --git a/src/optimizing-compiler-thread.h b/src/optimizing-compiler-thread.h
index 55040e3942e252bf15dbdd2c155fd2a2c6d0fdd0..a6bcbedbd3ea1903aceccafa69bac1199be28af5 100644
--- a/src/optimizing-compiler-thread.h
+++ b/src/optimizing-compiler-thread.h
@@ -5,7 +5,7 @@
 #ifndef V8_OPTIMIZING_COMPILER_THREAD_H_
 #define V8_OPTIMIZING_COMPILER_THREAD_H_
 
-#include "src/atomicops.h"
+#include "src/base/atomicops.h"
 #include "src/flags.h"
 #include "src/list.h"
 #include "src/platform.h"
@@ -38,7 +38,8 @@ class OptimizingCompilerThread : public Thread {
       osr_hits_(0),
       osr_attempts_(0),
       blocked_jobs_(0) {
-    NoBarrier_Store(&stop_thread_, static_cast<AtomicWord>(CONTINUE));
+    base::NoBarrier_Store(&stop_thread_,
+                          static_cast<base::AtomicWord>(CONTINUE));
     input_queue_ = NewArray<OptimizedCompileJob*>(input_queue_capacity_);
     if (FLAG_concurrent_osr) {
       // Allocate and mark OSR buffer slots as empty.
@@ -126,7 +127,7 @@ class OptimizingCompilerThread : public Thread {
   int osr_buffer_capacity_;
   int osr_buffer_cursor_;
 
-  volatile AtomicWord stop_thread_;
+  volatile base::AtomicWord stop_thread_;
   TimeDelta time_spent_compiling_;
   TimeDelta time_spent_total_;