Fix for Immersive Fullscreen Animation Issue

chrome/browser/ui/cocoa/browser_window_controller_private.mm

Index: chrome/browser/ui/cocoa/browser_window_controller_private.mm
diff --git a/chrome/browser/ui/cocoa/browser_window_controller_private.mm b/chrome/browser/ui/cocoa/browser_window_controller_private.mm
index 4bf62accb76e8b1eb2c448bdc30d731d2b147143..5810b311e663a6db2f67a9ce660186b520288f98 100644
--- a/chrome/browser/ui/cocoa/browser_window_controller_private.mm
+++ b/chrome/browser/ui/cocoa/browser_window_controller_private.mm
@@ -542,6 +542,8 @@ willPositionSheet:(NSWindow*)sheet
   fullscreen_mac::SlidingStyle style = fullscreen_mac::OMNIBOX_TABS_NONE;
   [self adjustUIForSlidingFullscreenStyle:style];
 
+  [fullscreenWindow_ display];
+
   // AppKit is helpful and prevents NSWindows from having the same height as
   // the screen while the menu bar is showing. This only applies to windows on
   // a secondary screen, in a separate space. Calling [NSWindow