Bug 1023778 part 3 - Make AtomizeChars and js_NewStringCopyN accept Latin1 chars. r=luke
Bug 1023778 part 4 - Add JSONParser<Latin1Char>. r=Waldo
Bug 1023778 part 5 - Add AutoStableStringChars class. r=terrence
Bug 1023778 part 6 - Make JSON.parse handle Latin1 strings. r=Waldo
Bug 1023778 part 7 - Add tests. r=Waldo
Bug 1023778 part 8 - Address review comments. r=Waldo