Web Intents Mac: Add view animation

chrome/browser/ui/cocoa/intents/web_intent_picker_cocoa2.h

Index: chrome/browser/ui/cocoa/intents/web_intent_picker_cocoa2.h
diff --git a/chrome/browser/ui/cocoa/intents/web_intent_picker_cocoa2.h b/chrome/browser/ui/cocoa/intents/web_intent_picker_cocoa2.h
index ea25978f0c1bc9310239326890ecaca769dbb9fd..b2228dc1b5a107ab2b7e859a830fd5951a6e41ca 100644
--- a/chrome/browser/ui/cocoa/intents/web_intent_picker_cocoa2.h
+++ b/chrome/browser/ui/cocoa/intents/web_intent_picker_cocoa2.h
@@ -73,11 +73,16 @@ class WebIntentPickerCocoa2 : public WebIntentPicker,
       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_