Remove the mojo serial interfaces and related infrastructure.

extensions/renderer/resources/serial_custom_bindings.js

-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-/**
- * Custom bindings for the Serial API.
- *
- * The bindings are implemented by asynchronously delegating to the
- * serial_service module. The functions that apply to a particular connection
- * are delegated to the appropriate method on the Connection object specified by
- * the ID parameter.
- */
-
-var binding = require('binding').Binding.create('serial');
-var context = requireNative('v8_context');
-var eventBindings = require('event_bindings');
-var utils = require('utils');
-
-var serialServicePromise = function() {
-  // getBackgroundPage is not available in unit tests so fall back to the
-  // current page's serial_service module.
-  if (!chrome.runtime.getBackgroundPage)
-    return requireAsync('serial_service');
-
-  // Load the serial_service module from the background page if one exists. This
-  // is necessary for serial connections created in one window to be usable
-  // after that window is closed. This is necessary because the Mojo async
-  // waiter only functions while the v8 context remains.
-  return utils.promise(chrome.runtime.getBackgroundPage).then(function(bgPage) {
-    return context.GetModuleSystem(bgPage).requireAsync('serial_service');
-  }).catch(function() {
-    return requireAsync('serial_service');
-  });
-}();
-
-function forwardToConnection(methodName) {
-  return function(connectionId) {
-    var args = $Array.slice(arguments, 1);
-    return serialServicePromise.then(function(serialService) {
-      return serialService.getConnection(connectionId);
-    }).then(function(connection) {
-      return $Function.apply(connection[methodName], connection, args);
-    });
-  };
-}
-
-function addEventListeners(connection, id) {
-  connection.onData = function(data) {
-    eventBindings.dispatchEvent(
-        'serial.onReceive', [{connectionId: id, data: data}]);
-  };
-  connection.onError = function(error) {
-    eventBindings.dispatchEvent(
-        'serial.onReceiveError', [{connectionId: id, error: error}]);
-  };
-}
-
-serialServicePromise.then(function(serialService) {
-  return serialService.getConnections().then(function(connections) {
-    for (var entry of connections) {
-      var connection = entry[1];
-      addEventListeners(connection, entry[0]);
-      connection.resumeReceives();
-    };
-  });
-});
-
-binding.registerCustomHook(function(bindingsAPI) {
-  var apiFunctions = bindingsAPI.apiFunctions;
-  apiFunctions.setHandleRequestWithPromise('getDevices', function() {
-    return serialServicePromise.then(function(serialService) {
-      return serialService.getDevices();
-    });
-  });
-
-  apiFunctions.setHandleRequestWithPromise('connect', function(path, options) {
-    return serialServicePromise.then(function(serialService) {
-      return serialService.createConnection(path, options);
-    }).then(function(result) {
-      addEventListeners(result.connection, result.info.connectionId);
-      return result.info;
-    }).catch (function(e) {
-      throw new Error('Failed to connect to the port.');
-    });
-  });
-
-  apiFunctions.setHandleRequestWithPromise(
-      'disconnect', forwardToConnection('close'));
-  apiFunctions.setHandleRequestWithPromise(
-      'getInfo', forwardToConnection('getInfo'));
-  apiFunctions.setHandleRequestWithPromise(
-      'update', forwardToConnection('setOptions'));
-  apiFunctions.setHandleRequestWithPromise(
-      'getControlSignals', forwardToConnection('getControlSignals'));
-  apiFunctions.setHandleRequestWithPromise(
-      'setControlSignals', forwardToConnection('setControlSignals'));
-  apiFunctions.setHandleRequestWithPromise(
-      'flush', forwardToConnection('flush'));
-  apiFunctions.setHandleRequestWithPromise(
-      'setPaused', forwardToConnection('setPaused'));
-  apiFunctions.setHandleRequestWithPromise(
-      'send', forwardToConnection('send'));
-
-  apiFunctions.setHandleRequestWithPromise('getConnections', function() {
-    return serialServicePromise.then(function(serialService) {
-      return serialService.getConnections();
-    }).then(function(connections) {
-      var promises = [];
-      for (var connection of connections.values()) {
-        promises.push(connection.getInfo());
-      }
-      return Promise.all(promises);
-    });
-  });
-});
-
-exports.$set('binding', binding.generate());