GetPrevCharOffsetUtf8  313 ppapi/examples/ime/ime.cc       caret_pos_ = GetPrevCharOffsetUtf8(utf8_text_, caret_pos_);
GetPrevCharOffsetUtf8  352 ppapi/examples/ime/ime.cc       size_t i = GetPrevCharOffsetUtf8(utf8_text_, caret_pos_);