ref(chat): bring in package for text area auto-resizing

package-lock.json

         "blueimp-md5": "^2.10.0",
         "json3": "^3.3.2",
         "lodash": "^4.17.4",
-        "ua-parser-js": "github:amplitude/ua-parser-js#ed538f1"
+        "ua-parser-js": "github:amplitude/ua-parser-js#ed538f16f5c6ecd8357da989b617d4f156dcf35d"
       },
       "dependencies": {
         "ua-parser-js": {
         },
         "ansi-regex": {
           "version": "2.1.1",
-          "bundled": true,
-          "optional": true
+          "bundled": true
         },
         "aproba": {
           "version": "1.2.0",
         },
         "balanced-match": {
           "version": "1.0.0",
-          "bundled": true,
-          "optional": true
+          "bundled": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
-          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
         },
         "code-point-at": {
           "version": "1.1.0",
-          "bundled": true,
-          "optional": true
+          "bundled": true
         },
         "concat-map": {
           "version": "0.0.1",
-          "bundled": true,
-          "optional": true
+          "bundled": true
         },
         "console-control-strings": {
           "version": "1.1.0",
-          "bundled": true,
-          "optional": true
+          "bundled": true
         },
         "core-util-is": {
           "version": "1.0.2",
         },
         "inherits": {
           "version": "2.0.3",
-          "bundled": true,
-          "optional": true
+          "bundled": true
         },
         "ini": {
           "version": "1.3.5",
         "is-fullwidth-code-point": {
           "version": "1.0.0",
           "bundled": true,
-          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
         "minimatch": {
           "version": "3.0.4",
           "bundled": true,
-          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
         },
         "minimist": {
           "version": "0.0.8",
-          "bundled": true,
-          "optional": true
+          "bundled": true
         },
         "minipass": {
           "version": "2.2.4",
           "bundled": true,
-          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.1",
             "yallist": "^3.0.0"
         "mkdirp": {
           "version": "0.5.1",
           "bundled": true,
-          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
         },
         "number-is-nan": {
           "version": "1.0.1",
-          "bundled": true,
-          "optional": true
+          "bundled": true
         },
         "object-assign": {
           "version": "4.1.1",
         "once": {
           "version": "1.4.0",
           "bundled": true,
-          "optional": true,
           "requires": {
             "wrappy": "1"
           }
         },
         "safe-buffer": {
           "version": "5.1.1",
-          "bundled": true,
-          "optional": true
+          "bundled": true
         },
         "safer-buffer": {
           "version": "2.1.2",
         "string-width": {
           "version": "1.0.2",
           "bundled": true,
-          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
         "strip-ansi": {
           "version": "3.0.1",
           "bundled": true,
-          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
         },
         "wrappy": {
           "version": "1.0.2",
-          "bundled": true,
-          "optional": true
+          "bundled": true
         },
         "yallist": {
           "version": "3.0.2",
-          "bundled": true,
-          "optional": true
+          "bundled": true
         }
       }
     },
         "exenv": "^1.2.2"
       }
     },
+    "react-textarea-autosize": {
+      "version": "7.1.0",
+      "resolved": "https://registry.npmjs.org/react-textarea-autosize/-/react-textarea-autosize-7.1.0.tgz",
+      "integrity": "sha512-c2FlR/fP0qbxmlrW96SdrbgP/v0XZMTupqB90zybvmDVDutytUgPl7beU35klwcTeMepUIQEpQUn3P3bdshGPg==",
+      "requires": {
+        "@babel/runtime": "^7.1.2",
+        "prop-types": "^15.6.0"
+      }
+    },
     "react-transform-hmr": {
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/react-transform-hmr/-/react-transform-hmr-1.0.4.tgz",

package.json

     "react-native-webrtc": "github:jitsi/react-native-webrtc#4064c6f2db4f8b961daaaa8dafc6a896d7cfbc43",
     "react-native-webview": "5.8.1",
     "react-redux": "5.0.7",
+    "react-textarea-autosize": "7.1.0",
     "react-transition-group": "2.4.0",
     "redux": "4.0.0",
     "redux-thunk": "2.2.0",

react/features/chat/components/web/ChatInput.js

 
 import React, { Component } from 'react';
 import Emoji from 'react-emoji-render';
+import TextareaAutosize from 'react-textarea-autosize';
 import type { Dispatch } from 'redux';
 
 import { translate } from '../../../base/i18n';
                     </div>
                 </div>
                 <div className = 'usrmsg-form'>
-                    <textarea
+                    <TextareaAutosize
                         id = 'usermsg'
+                        inputRef = { this._setTextAreaRef }
+                        maxRows = { 5 }
+                        minRows = { 2 }
                         onChange = { this._onMessageChange }
                         onKeyDown = { this._onDetectSubmit }
                         placeholder = { this.props.t('chat.messagebox') }
-                        ref = { this._setTextAreaRef }
                         value = { this.state.message } />
                 </div>
             </div>