Implemented fullscreen exit animation with AppKit

chrome/browser/ui/cocoa/browser_window_controller.mm

Index: chrome/browser/ui/cocoa/browser_window_controller.mm
diff --git a/chrome/browser/ui/cocoa/browser_window_controller.mm b/chrome/browser/ui/cocoa/browser_window_controller.mm
index 4be4668efd342e41070120ca9a5e8290959681db..cc865cf528988b52b093c6f2917f5f3676ac870b 100644
--- a/chrome/browser/ui/cocoa/browser_window_controller.mm
+++ b/chrome/browser/ui/cocoa/browser_window_controller.mm
@@ -1950,6 +1950,7 @@ using content::WebContents;
   // and |layoutSubviews| computes the FindBar's position.
   // TODO: calling |layoutSubviews| here is a waste, find a better way to
   // do this.
+

[erikchen, 2015/08/11 22:42:54]

why did you add whitespace here?

[spqchan1, 2015/08/12 19:34:41]

Done.

   if ([findBarCocoaController_ isFindBarVisible])
     [self layoutSubviews];
 }
@@ -2151,9 +2152,10 @@ willAnimateFromState:(BookmarkBar::State)oldState
 }
 
 - (BOOL)isInAppKitFullscreen {
-  return ([[self window] styleMask] & NSFullScreenWindowMask) ==
-             NSFullScreenWindowMask ||
-         enteringAppKitFullscreen_;
+  return !exitingAppKitFullscreen_ &&
+         (([[self window] styleMask] & NSFullScreenWindowMask) ==
+              NSFullScreenWindowMask ||
+          enteringAppKitFullscreen_);
 }
 
 - (void)enterExtensionFullscreenForURL:(const GURL&)url