Fixed a fullscreen race condition on OSX

chrome/browser/ui/cocoa/browser_window_controller.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_UI_COCOA_BROWSER_WINDOW_CONTROLLER_H_
 #define CHROME_BROWSER_UI_COCOA_BROWSER_WINDOW_CONTROLLER_H_
 
 // A class acting as the Objective-C controller for the Browser
 // object. Handles interactions between Cocoa and the cross-platform
 // code. Each window has a single toolbar and, by virtue of being a
@@ skipping 146 matching lines @@
   BOOL enteringAppKitFullscreenOnPrimaryScreen_;
 
   // This flag is set to true when |customWindowsToEnterFullScreenForWindow:|
   // and |customWindowsToExitFullScreenForWindow:| are called and did not
   // return nil.
   BOOL isUsingCustomAnimation_;
 
   // True if the toolbar needs to be hidden in fullscreen.
   BOOL shouldHideFullscreenToolbar_;
 
+  // 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.
   NSRect savedRegularWindowFrame_;
 
   // The proportion of the floating bar which is shown (in presentation mode).
   CGFloat floatingBarShownFraction_;
 
   // Various UI elements/events may want to ensure that the floating bar is
   // visible (in presentation mode), e.g., because of where the mouse is or
@@ skipping 240 matching lines @@
 // Called to check whether or not this window can have bookmark bar (YES if it
 // does, NO otherwise). (E.g., normal browser windows may, pop-ups may not.)
 - (BOOL)supportsBookmarkBar;
 
 // Called to check if this controller's window is a tabbed window (e.g., not a
 // pop-up window). Returns YES if it is, NO otherwise.
 // Note: The |-has...| methods are usually preferred, so this method is largely
 // deprecated.
 - (BOOL)isTabbedWindow;
 
+// Returns the size of the original (non-fullscreen) window.
+- (NSRect)savedRegularWindowFrame;
+
 @end  // @interface BrowserWindowController(WindowType)
 
 // Fullscreen terminology:
 //
 // ----------------------------------------------------------------------------
 // There are 2 APIs that cause the window to get resized, and possibly move
 // spaces.
 //
 // + AppKitFullscreen API: AppKit touts a feature known as "fullscreen". This
 // involves moving the current window to a different space, and resizing the
@@ skipping 122 matching lines @@
 // Exits the current fullscreen mode.
 - (void)exitAnyFullscreen;
 
 // Whether the system is in the very specific fullscreen mode: Presentation
 // Mode.
 - (BOOL)inPresentationMode;
 
 // Whether if the toolbar should be hidden in fullscreen.
 - (BOOL)shouldHideFullscreenToolbar;
 
+// Called by BrowserWindowFullscreenTransition when the exit animation is
+// finished.
+- (void)exitFullscreenAnimationFinished;
+
 // Resizes the fullscreen window to fit the screen it's currently on.  Called by
 // the PresentationModeController when there is a change in monitor placement or
 // resolution.
 - (void)resizeFullscreenWindow;
 
 // Query/lock/release the requirement that the tab strip/toolbar/attached
 // bookmark bar bar cluster is visible (e.g., when one of its elements has
 // focus). This is required for the floating bar in presentation mode, but
 // should also be called when not in presentation mode; see the comments for
 // |barVisibilityLocks_| for more details. Double locks/releases by the same
@@ skipping 62 matching lines @@
 // Returns the active tab contents controller's |blockFullscreenResize_| flag.
 - (BOOL)isActiveTabContentsControllerResizeBlocked;
 
 // Returns the presentation mode controller.
 - (PresentationModeController*)presentationModeController;
 
 @end  // @interface BrowserWindowController (TestingAPI)
 
 
 #endif  // CHROME_BROWSER_UI_COCOA_BROWSER_WINDOW_CONTROLLER_H_