[SpeedDial] Inline the Add icon (#12128)

Author: mbrookes

packages/material-ui-lab/package.json

@@ -33,7 +33,6 @@
     "release": "yarn build && npm publish build"
   },
   "peerDependencies": {
-    "@material-ui/icons": "^1.0.0",
     "@material-ui/core": "^1.0.0",
     "react": "^16.3.0",
     "react-dom": "^16.3.0"

packages/material-ui-lab/src/SpeedDialIcon/SpeedDialIcon.js

@@ -2,7 +2,7 @@ import React from 'react';
 import PropTypes from 'prop-types';
 import classNames from 'classnames';
 import { withStyles } from '@material-ui/core/styles';
-import AddIcon from '@material-ui/icons/Add';
+import AddIcon from '../internal/svg-icons/Add';
 
 const styles = theme => ({
   root: {

packages/material-ui-lab/src/internal/svg-icons/.eslintrc.js

@@ -0,0 +1,6 @@
+module.exports = {
+  rules: {
+    'import/no-mutable-exports': 'off',
+    'max-len': 'off',
+  },
+};

packages/material-ui-lab/src/internal/svg-icons/Add.js

@@ -0,0 +1,17 @@
+import React from 'react';
+import pure from 'recompose/pure';
+import SvgIcon from '@material-ui/core/SvgIcon';
+
+/**
+ * @ignore - internal component.
+ */
+let Add = props => (
+  <SvgIcon {...props}>
+    <path d="M19 13h-6v6h-2v-6H5v-2h6V5h2v6h6v2z" />
+  </SvgIcon>
+);
+
+Add = pure(Add);
+Add.muiName = 'SvgIcon';
+
+export default Add;