Fixed a fullscreen race condition on OSX

chrome/browser/ui/cocoa/browser_window_controller.h

Index: chrome/browser/ui/cocoa/browser_window_controller.h
diff --git a/chrome/browser/ui/cocoa/browser_window_controller.h b/chrome/browser/ui/cocoa/browser_window_controller.h
index e305c5eb16c81fddb0955094780cdb3262d594cc..c5e3fe9b1b537e59d8079a3b6864cec472818190 100644
--- a/chrome/browser/ui/cocoa/browser_window_controller.h
+++ b/chrome/browser/ui/cocoa/browser_window_controller.h
@@ -18,6 +18,7 @@
 #include "chrome/browser/translate/chrome_translate_client.h"
 #import "chrome/browser/ui/cocoa/bookmarks/bookmark_bar_controller.h"
 #import "chrome/browser/ui/cocoa/bookmarks/bookmark_bubble_controller.h"
+#import "chrome/browser/ui/cocoa/browser_window_fullscreen_transition.h"
 #import "chrome/browser/ui/cocoa/exclusive_access_bubble_window_controller.h"
 #import "chrome/browser/ui/cocoa/tabs/tab_strip_controller.h"
 #import "chrome/browser/ui/cocoa/tabs/tab_window_controller.h"
@@ -65,7 +66,8 @@ class Command;
 @interface BrowserWindowController
     : TabWindowController<BookmarkBarControllerDelegate,
                           ViewResizer,
-                          TabStripControllerDelegate> {
+                          TabStripControllerDelegate,
+                          BrowserWindowFullscreenTransitionDelegate> {
  @private
   // The ordering of these members is important as it determines the order in
   // which they are destroyed. |browser_| needs to be destroyed last as most of
@@ -164,6 +166,11 @@ class Command;
   // True if the toolbar needs to be shown in fullscreen.
   BOOL shouldShowFullscreenToolbar_;
 
+  // True if AppKit has finished exiting fullscreen before the exit animation
+  // is completed. This flag is used to ensure that |windowDidExitFullscreen|
+  // is called after the exit fullscreen animation is complete.
+  BOOL appKitDidExitFullscreen_;
+
   // The size of the original (non-fullscreen) window.  This is saved just
   // before entering fullscreen mode and is only valid when |-isFullscreen|
   // returns YES.