Force refresh of shelf area when gesture completes to prevent

ash/shelf/shelf_layout_manager.cc

 // 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.
 
 #include "ash/shelf/shelf_layout_manager.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "ash/ash_switches.h"
@@ skipping 425 matching lines @@
     SetAutoHideBehavior(SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS);
   } else if (gesture_drag_auto_hide_state_ == SHELF_AUTO_HIDE_SHOWN &&
              auto_hide_behavior_ != SHELF_AUTO_HIDE_BEHAVIOR_NEVER) {
     gesture_drag_status_ = GESTURE_DRAG_NONE;
     SetAutoHideBehavior(SHELF_AUTO_HIDE_BEHAVIOR_NEVER);
   } else {
     gesture_drag_status_ = GESTURE_DRAG_COMPLETE_IN_PROGRESS;
     UpdateVisibilityState();
     gesture_drag_status_ = GESTURE_DRAG_NONE;
   }
+  LayoutShelf();
 }
 
 void ShelfLayoutManager::CancelGestureDrag() {
   gesture_drag_status_ = GESTURE_DRAG_NONE;
   ui::ScopedLayerAnimationSettings
       launcher_settings(GetLayer(shelf_)->GetAnimator()),
       status_settings(GetLayer(shelf_->status_area_widget())->GetAnimator());
   LayoutShelf();
   UpdateVisibilityState();
   UpdateShelfBackground(BackgroundAnimator::CHANGE_ANIMATE);
@@ skipping 451 matching lines @@
 int ShelfLayoutManager::GetWorkAreaSize(const State& state, int size) const {
   if (state.visibility_state == SHELF_VISIBLE)
     return size;
   if (state.visibility_state == SHELF_AUTO_HIDE)
     return kAutoHideSize;
   return 0;
 }
 
 }  // namespace internal
 }  // namespace ash