Implement apps v2 custom window frame.

remoting/webapp/event_handlers.js

Index: remoting/webapp/event_handlers.js
diff --git a/remoting/webapp/event_handlers.js b/remoting/webapp/event_handlers.js
index bcbc2010ab8823ec82fd493dc930309a1a482d9f..e864c2db3d44418b9c2f0a73c1a92b3df0c69b3a 100644
--- a/remoting/webapp/event_handlers.js
+++ b/remoting/webapp/event_handlers.js
@@ -101,6 +101,12 @@ function onLoad() {
   remoting.init();
 
   window.addEventListener('resize', remoting.onResize, false);
+  // When a window goes full-screen, a resize event is triggered, but the
+  // Fullscreen.isActive call is not guaranteed to return true until the
+  // full-screen event is triggered. In apps v2, the size of the window's
+  // client area is calculated differently in full-screen mode, so register
+  // for both events.
+  remoting.fullscreen.addListener(remoting.onResize);
   if (!remoting.isAppsV2) {
     window.addEventListener('beforeunload', remoting.promptClose, false);
     window.addEventListener('unload', remoting.disconnect, false);