Updating HTTP error return status for IE driver to align with spec

Author: jimevans

cpp/webdriver-server/response.cc

@@ -121,14 +121,14 @@ int Response::GetHttpResponseCode(void) {
       this->error_ == ERROR_INVALID_COORDINATES ||
       this->error_ == ERROR_INVALID_ELEMENT_STATE ||
       this->error_ == ERROR_INVALID_SELECTOR ||
-      this->error_ == ERROR_NO_SUCH_ALERT ||
-      this->error_ == ERROR_NO_SUCH_FRAME ||
-      this->error_ == ERROR_NO_SUCH_WINDOW ||
       this->error_ == ERROR_STALE_ELEMENT_REFERENCE) {
     response_code = 400;
   } else if (this->error_ == ERROR_INVALID_SESSION_ID ||
              this->error_ == ERROR_NO_SUCH_COOKIE ||
+             this->error_ == ERROR_NO_SUCH_ALERT ||
              this->error_ == ERROR_NO_SUCH_ELEMENT ||
+             this->error_ == ERROR_NO_SUCH_FRAME ||
+             this->error_ == ERROR_NO_SUCH_WINDOW ||
              this->error_ == ERROR_UNKNOWN_COMMAND) {
     response_code = 404;
   } else if (this->error_ == ERROR_SCRIPT_TIMEOUT ||