2 files changed, 8 insertions, 19 deletions
diff --git a/app/components/PlatformWindow.css b/app/components/PlatformWindow.css
deleted file mode 100644
index 2c6b820a40..0000000000
--- a/app/components/PlatformWindow.css
+++ /dev/null
@@ -1,13 +0,0 @@
-/* macOS app runs as menubar; create an app chrome with arrow using mask */
-.window-chrome--darwin {
-  -webkit-mask:
-  url(../assets/images/app-triangle.svg) 50% 0% no-repeat,
-  url(../assets/images/app-header-backdrop.svg) no-repeat;
-}
-
-.window-chrome {
-  flex: 1 1 auto;
-  height: 100%;
-  width: 100%;
-  display: flex;
-}
-\ No newline at end of file
diff --git a/app/components/PlatformWindow.js b/app/components/PlatformWindow.js
index 60f26dd6de..e54ce969e0 100644
--- a/app/components/PlatformWindow.js
+++ b/app/components/PlatformWindow.js
@@ -1,13 +1,15 @@
 // @flow
 import * as React from 'react';
+import { Component, View, Styles } from 'reactxp';
 
-type Props = {
-  children?: React.Node,
-};
+const platformWindowStyle = Styles.createViewStyle({
+  WebkitMask: `
+    url(./assets/images/app-triangle.svg) 50% 0% no-repeat,
+    url(./assets/images/app-header-backdrop.svg) no-repeat`,
+});
 
-export default class PlatformWindow extends React.Component<Props> {
+export default class PlatformWindow extends Component {
   render() {
-    const chromeClass = ['window-chrome', 'window-chrome--' + process.platform];
-    return <div className={chromeClass.join(' ')}>{this.props.children}</div>;
+    return <View style={platformWindowStyle}>{this.props.children}</View>;
   }
 }