Convert TokenMenuDropdown to an ES6 class (#7779)

ui/app/components/app/dropdowns/token-menu-dropdown.js

@@ -1,45 +1,28 @@
 import PropTypes from 'prop-types'
 import React, { Component } from 'react'
-import { inherits } from 'util'
 import { connect } from 'react-redux'
 import * as actions from '../../../store/actions'
 import { createAccountLink as genAccountLink } from 'etherscan-link'
 import { Menu, Item, CloseArea } from './components/menu'
 
-TokenMenuDropdown.contextTypes = {
+class TokenMenuDropdown extends Component {
+  static contextTypes = {
     t: PropTypes.func,
-}
-
-export default connect(mapStateToProps, mapDispatchToProps)(TokenMenuDropdown)
-
-function mapStateToProps (state) {
-  return {
-    network: state.metamask.network,
   }
-}
 
-function mapDispatchToProps (dispatch) {
+  static propTypes = {
-  return {
+    onClose: PropTypes.func.isRequired,
-    showHideTokenConfirmationModal: (token) => {
+    showHideTokenConfirmationModal: PropTypes.func.isRequired,
-      dispatch(actions.showModal({ name: 'HIDE_TOKEN_CONFIRMATION', token }))
+    token: PropTypes.object.isRequired,
-    },
+    network: PropTypes.number.isRequired,
   }
-}
-
 
-inherits(TokenMenuDropdown, Component)
+  onClose = (e) => {
-function TokenMenuDropdown () {
-  Component.call(this)
-
-  this.onClose = this.onClose.bind(this)
-}
-
-TokenMenuDropdown.prototype.onClose = function (e) {
     e.stopPropagation()
     this.props.onClose()
-}
+  }
 
-TokenMenuDropdown.prototype.render = function TokenMenuDropdown () {
+  render () {
     const { showHideTokenConfirmationModal } = this.props
 
     return (
@@ -64,4 +47,21 @@ TokenMenuDropdown.prototype.render = function TokenMenuDropdown () {
         />
       </Menu>
     )
+  }
+}
+
+export default connect(mapStateToProps, mapDispatchToProps)(TokenMenuDropdown)
+
+function mapStateToProps (state) {
+  return {
+    network: state.metamask.network,
+  }
+}
+
+function mapDispatchToProps (dispatch) {
+  return {
+    showHideTokenConfirmationModal: (token) => {
+      dispatch(actions.showModal({ name: 'HIDE_TOKEN_CONFIRMATION', token }))
+    },
+  }
 }