Moving more code to lookup an item from the native cache into code generator.

src/heap.h

Index: src/heap.h
diff --git a/src/heap.h b/src/heap.h
index 2378ba588dae2e1b4f6cc8c44031a2f4e7012655..b4af6d9c22ae9cf44c9cf1a011e651eb66fc9818 100644
--- a/src/heap.h
+++ b/src/heap.h
@@ -979,6 +979,8 @@ class Heap : public AllStatic {
 
   static int MaxObjectSizeInNewSpace() { return kMaxObjectSizeInNewSpace; }
 
+  static void ClearJSFunctionResultCaches();
+
  private:
   static int reserved_semispace_size_;
   static int max_semispace_size_;
@@ -1193,8 +1195,6 @@ class Heap : public AllStatic {
                                           HeapObject* target,
                                           int size);
 
-  static void ClearJSFunctionResultCaches();
-
 #if defined(DEBUG) || defined(ENABLE_LOGGING_AND_PROFILING)
   // Record the copy of an object in the NewSpace's statistics.
   static void RecordCopiedObject(HeapObject* obj);