Moves WindowEvent to services folder

src-docs/src/views/window_event/window_event.js

@@ -1,12 +1,15 @@
 import React, { Component } from 'react';
 
 import {
-  EuiWindowEvent,
   EuiIcon,
   EuiButton,
   EuiSpacer,
 } from '../../../../src/components';
 
+import {
+  EuiWindowEvent,
+} from '../../../../src/services';
+
 export class WindowEvent extends Component {
   constructor(props) {
     super(props);

src/components/flyout/flyout.js

@@ -3,11 +3,10 @@ import classnames from 'classnames';
 import PropTypes from 'prop-types';
 import FocusTrap from 'focus-trap-react';
 
-import { keyCodes } from '../../services';
+import { keyCodes, EuiWindowEvent } from '../../services';
 
 import { EuiOverlayMask } from '../overlay_mask';
 import { EuiButtonIcon } from '../button';
-import { EuiWindowEvent } from '../window_event';
 
 const sizeToClassNameMap = {
   s: 'euiFlyout--small',

src/components/index.js

@@ -320,10 +320,6 @@ export {
   EuiToolTip,
 } from './tool_tip';
 
-export {
-  EuiWindowEvent
-} from './window_event';
-
 export {
   EuiHideFor,
   EuiShowFor,

src/services/index.js

@@ -67,3 +67,7 @@ export {
   calculatePopoverPosition,
   findPopoverPosition,
 } from './popover';
+
+export {
+  EuiWindowEvent
+} from './window_event';