Mac: Make ui/base/cocoa WindowAnimator

chrome/browser/ui/cocoa/info_bubble_window.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.
 
 #import <Cocoa/Cocoa.h>
 
+#import "base/mac/scoped_nsobject.h"
 #include "base/memory/scoped_ptr.h"
 #import "chrome/browser/ui/cocoa/chrome_event_processing_window.h"
 
 class AppNotificationBridge;
+@class WindowAnimationController;
 
 namespace info_bubble {
 
 enum AnimationMask {
   kAnimateNone = 0,
   kAnimateOrderIn = 1 << 1,
   kAnimateOrderOut = 1 << 2,
 };
 typedef NSUInteger AllowedAnimations;
 
 }  // namespace info_bubble
 
 // A rounded window with an arrow used for example when you click on the STAR
 // button or that pops up within our first-run UI.
 @interface InfoBubbleWindow : ChromeEventProcessingWindow {
  @private
-  // Is self in the process of closing.
-  BOOL closing_;
-
   // Specifies if window order in and order out animations are allowed. By
   // default both types of animations are allowed.
   info_bubble::AllowedAnimations allowedAnimations_;
 
   // If NO the window will never become key.
   // Default YES.
   BOOL canBecomeKeyWindow_;
 
   // If NO the window will not share key state with its parent. Defaults to YES.
   // Can be set both by external callers, but is also changed internally, in
   // response to resignKeyWindow and becomeKeyWindow events.
   BOOL allowShareParentKeyState_;
 
   // Bridge to proxy Chrome notifications to the window.
   scoped_ptr<AppNotificationBridge> notificationBridge_;
+
+  // Controller for closing the window (note: creates a reference cycle during
+  // the close animation).
+  base::scoped_nsobject<WindowAnimationController> animation_controller_;
 }
 
 @property(nonatomic) info_bubble::AllowedAnimations allowedAnimations;
 @property(nonatomic) BOOL canBecomeKeyWindow;
 @property(nonatomic) BOOL allowShareParentKeyState;
 
+// Start the animation to hide the window, then close it.
+- (void)animateClose;
+
 // Returns YES if the window is in the process of closing.
 // Can't use "windowWillClose" notification because that will be sent
 // after the closing animation has completed.
 - (BOOL)isClosing;
 
 @end