Inline Map::has_code_cache() into its one caller.

src/objects/map.h

 // Copyright 2017 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_OBJECTS_MAP_H_
 #define V8_OBJECTS_MAP_H_
 
 #include "src/objects.h"
 
 #include "src/globals.h"
@@ skipping 302 matching lines @@
   // A map can never be used for both dictionary mode and fast mode JSObjects.
   // False by default and for HeapObjects that are not JSObjects.
   inline void set_dictionary_map(bool value);
   inline bool is_dictionary_map();
 
   // Tells whether the instance needs security checks when accessing its
   // properties.
   inline void set_is_access_check_needed(bool access_check_needed);
   inline bool is_access_check_needed();
 
-  // Returns true if map has a non-empty stub code cache.
-  inline bool has_code_cache();
-
   // [prototype]: implicit prototype object.
   DECL_ACCESSORS(prototype, Object)
   // TODO(jkummerow): make set_prototype private.
   static void SetPrototype(Handle<Map> map, Handle<Object> prototype);
 
   // [constructor]: points back to the function or FunctionTemplateInfo
   // responsible for this map.
   // The field overlaps with the back pointer. All maps in a transition tree
   // have the same constructor, so maps with back pointers can walk the
   // back pointer chain until they find the map holding their constructor.
@@ skipping 472 matching lines @@
   Object* get(int index);
   void set(int index, Object* value);
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #include "src/objects/object-macros-undef.h"
 
 #endif  // V8_OBJECTS_MAP_H_