Remove Utf8InputBuffer

src/objects.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 6916 matching lines @@
 
 class StringHasher {
  public:
   explicit inline StringHasher(int length, uint32_t seed);
 
   template <typename schar>
   static inline uint32_t HashSequentialString(const schar* chars,
                                               int length,
                                               uint32_t seed);
 
-  static uint32_t ComputeHashField(unibrow::CharacterStream* buffer,
-                                   int length,
-                                   uint32_t seed);
+  // Reads all the data, even for long strings and computes the utf16 length.
+  static uint32_t ComputeUtf8Hash(Vector<const char> chars,
+                                  uint32_t seed,
+                                  int* utf16_length_out);
 
   // Calculated hash value for a string consisting of 1 to
   // String::kMaxArrayIndexSize digits with no leading zeros (except "0").
   // value is represented decimal value.
   static uint32_t MakeArrayIndexHash(uint32_t value, int length);
 
   // No string is allowed to have a hash of zero.  That value is reserved
   // for internal properties.  If the hash calculation yields zero then we
   // use 27 instead.
   static const int kZeroHash = 27;
@@ skipping 1933 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_