Check REST API response for errors, and report them to WP.com if needed.
	 *
	 * @see wp_remote_request() For more information on the $http_response array format.
	 * @param array|\WP_Error $http_response The response or WP_Error on failure.
	 * @param array           $auth_data Auth data, allowed keys: `token`, `timestamp`, `nonce`, `body-hash`.
	 * @param string          $url Request URL.
	 * @param string          $method Request method.
	 * @param string          $error_type The source of an error: 'xmlrpc' or 'rest'.
	 *
	 * @return void
	 */
	public function check_api_response_for_errors( $http_response, $auth_data, $url, $method, $error_type ) {
		if ( 200 === wp_remote_retrieve_response_code( $http_response ) || ! is_array( $auth_data ) || ! $url || ! $method ) {
			return;
		}

		$body_raw = wp_remote_retrieve_body( $http_response );
		if ( ! $body_raw ) {
			return;
		}

		$body = json_decode( $body_raw, true );
		if ( empty( $body['error'] ) || ( ! is_string( $body['error'] ) && ! is_int( $body['error'] ) ) ) {
			return;
		}

		$error = new \WP_Error(
			$body['error'],
			empty( $body['message'] ) ? '' : $body['message'],
			array(
				'signature_details' => array(
					'token'     => empty( $auth_data['token'] ) ? '' : $auth_data['token'],
					'timestamp' => empty( $auth_data['timestamp'] ) ? '' : $auth_data['timestamp'],
					'nonce'     => empty( $auth_data['nonce'] ) ? '' : $auth_data['nonce'],
					'body_hash' => empty( $auth_data['body_hash'] ) ? '' : $auth_data['body_hash'],
					'method'    => $method,
					'url'       => $url,
				),
				'error_type'        => in_array( $error_type, array( 'xmlrpc', 'rest' ), true ) ? $error_type : '',
			)
		);

		$this->report_error( $error, false, true );
	}
}