Revert of Introduce InterfaceEndpointClient(IEC), InterfaceEndpointHandle and

mojo/public/js/lib/pipe_control_message_handler.js

-// Copyright 2017 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.
-
-define("mojo/public/js/lib/pipe_control_message_handler", [
-  "mojo/public/interfaces/bindings/pipe_control_messages.mojom",
-  "mojo/public/js/codec",
-  "mojo/public/js/interface_types",
-  "mojo/public/js/validator",
-], function(pipeControlMessages, codec, types, validator) {
-
-  var Validator = validator.Validator;
-
-  function validateControlRequestWithoutResponse(message) {
-    var messageValidator = new Validator(message);
-    var error = messageValidator.validateMessageIsRequestWithoutResponse();
-    if (error != validator.validationError.NONE) {
-      throw error;
-    }
-
-    if (message.getName() != pipeControlMessages.kRunOrClosePipeMessageId) {
-      throw new Error("Control message name is not kRunOrClosePipeMessageId");
-    }
-
-    // Validate payload.
-    error = pipeControlMessages.RunOrClosePipeMessageParams.validate(
-        messageValidator, message.getHeaderNumBytes());
-    if (error != validator.validationError.NONE) {
-      throw error;
-    }
-  }
-
-  function runOrClosePipe(message, delegate) {
-    var reader = new codec.MessageReader(message);
-    var runOrClosePipeMessageParams = reader.decodeStruct(
-        pipeControlMessages.RunOrClosePipeMessageParams);
-    var event = runOrClosePipeMessageParams.input
-        .peer_associated_endpoint_closed_event;
-    return delegate.onPeerAssociatedEndpointClosed(event.id,
-        event.disconnect_reason);
-  }
-
-  function isPipeControlMessage(message) {
-    return !types.isValidInterfaceId(message.getInterfaceId());
-  }
-
-  function PipeControlMessageHandler(delegate) {
-    this.delegate_ = delegate;
-  }
-
-  PipeControlMessageHandler.prototype.accept = function(message) {
-    validateControlRequestWithoutResponse(message);
-    return runOrClosePipe(message, this.delegate_);
-  };
-
-  var exports = {};
-  exports.PipeControlMessageHandler = PipeControlMessageHandler;
-  exports.isPipeControlMessage = isPipeControlMessage;
-
-  return exports;
-});