Bug 1696666 - Part 1: Remove AtomizeWTF8Chars and JS::WTF8CharsToNewTwoByteCharsZ functions. r=tcampbell

Neither of two functions are called anymore anywhere.

Differential Revision: https://phabricator.services.mozilla.com/D107337

js/public/CharacterEncoding.h

@@ -267,13 +267,6 @@ extern JS_PUBLIC_API TwoByteCharsZ
 UTF8CharsToNewTwoByteCharsZ(JSContext* cx, const UTF8Chars utf8, size_t* outlen,
                             arena_id_t destArenaId);
 
-/*
- * Like UTF8CharsToNewTwoByteCharsZ, but for WTF8Chars.
- */
-extern JS_PUBLIC_API TwoByteCharsZ
-WTF8CharsToNewTwoByteCharsZ(JSContext* cx, const WTF8Chars wtf8, size_t* outlen,
-                            arena_id_t destArenaId);
-
 /*
  * Like UTF8CharsToNewTwoByteCharsZ, but for ConstUTF8CharsZ.
  */

js/src/vm/CharacterEncoding.cpp

@@ -433,14 +433,6 @@ TwoByteCharsZ JS::UTF8CharsToNewTwoByteCharsZ(JSContext* cx,
       cx, utf8, outlen, destArenaId);
 }
 
-TwoByteCharsZ JS::WTF8CharsToNewTwoByteCharsZ(JSContext* cx,
-                                              const WTF8Chars wtf8,
-                                              size_t* outlen,
-                                              arena_id_t destArenaId) {
-  return InflateUTF8StringHelper<OnUTF8Error::Throw, TwoByteCharsZ>(
-      cx, wtf8, outlen, destArenaId);
-}
-
 TwoByteCharsZ JS::UTF8CharsToNewTwoByteCharsZ(JSContext* cx,
                                               const ConstUTF8CharsZ& utf8,
                                               size_t* outlen,

js/src/vm/JSAtom.cpp

@@ -1175,11 +1175,6 @@ JSAtom* js::AtomizeUTF8Chars(JSContext* cx, const char* utf8Chars,
   return AtomizeUTF8OrWTF8Chars<JS::UTF8Chars>(cx, utf8Chars, utf8ByteLength);
 }
 
-JSAtom* js::AtomizeWTF8Chars(JSContext* cx, const char* wtf8Chars,
-                             size_t wtf8ByteLength) {
-  return AtomizeUTF8OrWTF8Chars<JS::WTF8Chars>(cx, wtf8Chars, wtf8ByteLength);
-}
-
 bool js::IndexToIdSlow(JSContext* cx, uint32_t index, MutableHandleId idp) {
   MOZ_ASSERT(index > JSID_INT_MAX);
 

js/src/vm/JSAtom.h

@@ -68,15 +68,6 @@ extern JSAtom* AtomizeChars(JSContext* cx, mozilla::HashNumber hash,
 extern JSAtom* AtomizeUTF8Chars(JSContext* cx, const char* utf8Chars,
                                 size_t utf8ByteLength);
 
-/**
- * Create an atom whose contents are those of the |wtf8ByteLength| code units
- * starting at |wtf8Chars|, interpreted as WTF-8.
- *
- * Throws if the code units do not contain valid WTF-8.
- */
-extern JSAtom* AtomizeWTF8Chars(JSContext* cx, const char* wtf8Chars,
-                                size_t wtf8ByteLength);
-
 extern JSAtom* AtomizeString(JSContext* cx, JSString* str,
                              js::PinningBehavior pin = js::DoNotPinAtom);