Move heap and CPU profilers into a dedicated directory.

src/profiler/circular-queue-inl.h

Index: src/profiler/circular-queue-inl.h
diff --git a/src/circular-queue-inl.h b/src/profiler/circular-queue-inl.h
similarity index 89%
rename from src/circular-queue-inl.h
rename to src/profiler/circular-queue-inl.h
index 2f06f6c496f2d53656f63e39bf816a269a763d75..66b4af5b4a4792187763f0c6af1c0b986adf63a3 100644
--- a/src/circular-queue-inl.h
+++ b/src/profiler/circular-queue-inl.h
@@ -2,10 +2,10 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef V8_CIRCULAR_QUEUE_INL_H_
-#define V8_CIRCULAR_QUEUE_INL_H_
+#ifndef V8_PROFILER_CIRCULAR_QUEUE_INL_H_
+#define V8_PROFILER_CIRCULAR_QUEUE_INL_H_
 
-#include "src/circular-queue.h"
+#include "src/profiler/circular-queue.h"
 
 namespace v8 {
 namespace internal {
@@ -66,4 +66,4 @@ typename SamplingCircularQueue<T, L>::Entry* SamplingCircularQueue<T, L>::Next(
 
 } }  // namespace v8::internal
 
-#endif  // V8_CIRCULAR_QUEUE_INL_H_
+#endif  // V8_PROFILER_CIRCULAR_QUEUE_INL_H_