Revert of [regexp] Port test, match, and search

src/objects.h

 // Copyright 2015 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_H_
 #define V8_OBJECTS_H_
 
 #include <iosfwd>
 #include <memory>
 
@@ skipping 8533 matching lines @@
                                           Handle<String> flags_string);
 
   inline Type TypeTag();
   inline int CaptureCount();
   inline Flags GetFlags();
   inline String* Pattern();
   inline Object* DataAt(int index);
   // Set implementation data after the object has been prepared.
   inline void SetDataAt(int index, Object* value);
 
-  inline void SetLastIndex(int index);
-  inline Object* LastIndex();
-
   static int code_index(bool is_latin1) {
     if (is_latin1) {
       return kIrregexpLatin1CodeIndex;
     } else {
       return kIrregexpUC16CodeIndex;
     }
   }
 
   static int saved_code_index(bool is_latin1) {
     if (is_latin1) {
@@ skipping 2879 matching lines @@
     }
     return value;
   }
 };
 
 
 }  // NOLINT, false-positive due to second-order macros.
 }  // NOLINT, false-positive due to second-order macros.
 
 #endif  // V8_OBJECTS_H_