176 Optional<char> JSONParser::PeekChar() {  in PeekChar()  function in base::internal::JSONParser
205   Optional<char> c = PeekChar();  in GetNextToken()
248   while (Optional<char> c = PeekChar()) {  in EatWhitespaceAndComments()
279     while (Optional<char> c = PeekChar()) {  in EatComment()
287     while (Optional<char> c = PeekChar()) {  in EatComment()
454   while (PeekChar()) {  in ConsumeStringRaw()
625   if (PeekChar() == '-')  in ConsumeNumber()
635   if (PeekChar() == '.') {  in ConsumeNumber()
645   Optional<char> c = PeekChar();  in ConsumeNumber()
648     if (PeekChar() == '-' || PeekChar() == '+') {  in ConsumeNumber()
696   while (Optional<char> c = PeekChar()) {  in ReadInt()