Fix arrowPointAtCenter not work in Popconfirm

components/popconfirm/index.tsx

@@ -2,7 +2,6 @@ import React from 'react';
 import Tooltip from '../tooltip';
 import Icon from '../icon';
 import Button from '../button';
-import getPlacements from '../popover/placements';
 import splitObject from '../_util/splitObject';
 
 const noop = () => {};
@@ -93,9 +92,9 @@ export default class Popconfirm extends React.Component<PopconfirmProps, any> {
   }
 
   render() {
-    const [{ prefixCls, title, placement, arrowPointAtCenter }, restProps] = splitObject(
+    const [{ prefixCls, title, placement }, restProps] = splitObject(
       this.props,
-      ['prefixCls', 'title', 'placement', 'arrowPointAtCenter']
+      ['prefixCls', 'title', 'placement']
     );
     let { okText, cancelText } = this.props;
     if (this.context.antLocale && this.context.antLocale.Popconfirm) {
@@ -120,7 +119,6 @@ export default class Popconfirm extends React.Component<PopconfirmProps, any> {
     return (
       <Tooltip
         {...restProps}
-        builtinPlacements={getPlacements({ arrowPointAtCenter })}
         prefixCls={prefixCls}
         placement={placement}
         onVisibleChange={this.onVisibleChange}

components/popover/demo/placement.md

@@ -50,7 +50,7 @@ ReactDOM.render(
         <Button>LB</Button>
       </Popover>
     </div>
-    <div style={{ width: buttonWidth, marginLeft: buttonWidth*4 + 24 }}>
+    <div style={{ width: buttonWidth, marginLeft: (buttonWidth * 4) + 24 }}>
       <Popover placement="rightTop" title={text} content={content} trigger="click">
         <Button>RT</Button>
       </Popover>

components/popover/index.tsx

@@ -1,8 +1,5 @@
 import React from 'react';
 import Tooltip from '../tooltip';
-import getPlacements from './placements';
-
-const placements = getPlacements();
 
 export interface PopoverProps {
    /** trigger type, options: `hover` `focus` `click` */
@@ -47,14 +44,11 @@ export default class Popover extends React.Component<PopoverProps, any> {
 
   render() {
     return (
-      <Tooltip transitionName={this.props.transitionName}
-        builtinPlacements={placements}
+      <Tooltip
         ref="tooltip"
         {...this.props}
         overlay={this.getOverlay()}
-      >
-        {this.props.children}
-      </Tooltip>
+      />
     );
   }
 

components/tooltip/index.tsx

@@ -1,7 +1,7 @@
 import React from 'react';
 import { cloneElement } from 'react';
 import RcTooltip from 'rc-tooltip';
-import getPlacements from '../popover/placements';
+import getPlacements from './placements';
 import classNames from 'classnames';
 
 export type PopoverPlacement =