Do not EASE_IN_OUT after fling, rather EASE_OUT.

athena/home/home_card_impl.h

 // Copyright 2014 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 ATHENA_HOME_HOME_CARD_IMPL_H_
 #define ATHENA_HOME_HOME_CARD_IMPL_H_
 
 #include "athena/athena_export.h"
 #include "athena/home/home_card_gesture_manager.h"
 #include "athena/home/public/home_card.h"
@@ skipping 58 matching lines @@
       app_list::SearchProvider* search_provider) OVERRIDE;
   virtual void UpdateVirtualKeyboardBounds(
       const gfx::Rect& bounds) OVERRIDE;
 
   // AcceleratorHandler:
   virtual bool IsCommandEnabled(int command_id) const OVERRIDE;
   virtual bool OnAcceleratorFired(int command_id,
                                   const ui::Accelerator& accelerator) OVERRIDE;
 
   // HomeCardGestureManager::Delegate:
-  virtual void OnGestureEnded(HomeCard::State final_state) OVERRIDE;
+  virtual void OnGestureEnded(HomeCard::State final_state,
+                              bool is_fling) OVERRIDE;
   virtual void OnGestureProgressed(
       HomeCard::State from_state,
       HomeCard::State to_state,
       float progress) OVERRIDE;
 
   // WindowManagerObserver:
   virtual void OnOverviewModeEnter() OVERRIDE;
   virtual void OnOverviewModeExit() OVERRIDE;
   virtual void OnSplitViewModeEnter() OVERRIDE;
   virtual void OnSplitViewModeExit() OVERRIDE;
@@ skipping 20 matching lines @@
   // Right now HomeCard allows only one search provider.
   // TODO(mukai): port app-list's SearchController and Mixer.
   scoped_ptr<app_list::SearchProvider> search_provider_;
 
   DISALLOW_COPY_AND_ASSIGN(HomeCardImpl);
 };
 
 }  // namespace athena
 
 #endif  // ATHENA_HOME_HOME_CARD_IMPL_H_