find_first_not_of  228 base/strings/string_piece.cc size_t find_first_not_of(const StringPiece& self,
find_first_not_of  252 base/strings/string_piece.cc BASE_EXPORT size_t find_first_not_of(const StringPiece16& self,
find_first_not_of  287 base/strings/string_piece.cc size_t find_first_not_of(const StringPiece& self,
find_first_not_of  293 base/strings/string_piece.cc size_t find_first_not_of(const StringPiece16& self,