Web Intents Mac: Add view animation

chrome/browser/ui/cocoa/intents/web_intent_picker_cocoa2.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_INTENTS_WEB_INTENT_PICKER_COCOA2_H_
 #define CHROME_BROWSER_UI_COCOA_INTENTS_WEB_INTENT_PICKER_COCOA2_H_
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/memory/scoped_nsobject.h"
@@ skipping 55 matching lines @@
   virtual void OnExtensionIconChanged(WebIntentPickerModel* model,
                                       const std::string& extension_id) OVERRIDE;
   virtual void OnInlineDisposition(const string16& title,
                                    const GURL& url) OVERRIDE;
 
   // ConstrainedWindowMacDelegate2 implementation.
   virtual void OnConstrainedWindowClosed(
       ConstrainedWindowMac2* window) OVERRIDE;
 
  private:
+  void ScheduleUpdate();
+  void PerformUpdate();
+
   content::WebContents* const web_contents_;
   WebIntentPickerDelegate* delegate_;
   WebIntentPickerModel* model_;
   scoped_nsobject<WebIntentPickerViewController> view_controller_;
   scoped_ptr<ConstrainedWindowMac2> constrained_window_;
+  bool update_pending_;
+  base::WeakPtrFactory<WebIntentPickerCocoa2> weak_ptr_factory_;
 };
 
 #endif  // CHROME_BROWSER_UI_COCOA_INTENTS_WEB_INTENT_PICKER_COCOA2_H_