ui::LocatedEvent location() returns gfx::PointF

ash/shelf/shelf_view.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_view.h"
 
 #include <algorithm>
 
 #include "ash/ash_constants.h"
 #include "ash/ash_switches.h"
@@ skipping 930 matching lines @@
   // check if the item got ripped off the shelf - if it did we are done.
   if (!drag_and_drop_shelf_id_ &&
       RemovableByRipOff(current_index) != NOT_REMOVABLE) {
     if (HandleRipOffDrag(event))
       return;
     // The rip off handler could have changed the location of the item.
     current_index = view_model_->GetIndexOfView(drag_view_);
   }
 
   // TODO: I don't think this works correctly with RTL.
-  gfx::Point drag_point(event.location());
+  gfx::Point drag_point(gfx::ToFlooredPoint(event.location()));
   ConvertPointToTarget(drag_view_, this, &drag_point);
 
   // Constrain the location to the range of valid indices for the type.
   std::pair<int, int> indices(GetDragRange(current_index));
   int first_drag_index = indices.first;
   int last_drag_index = indices.second;
   // If the last index isn't valid, we're overflowing. Constrain to the app list
   // (which is the last visible item).
   if (first_drag_index < model_->FirstPanelIndex() &&
       last_drag_index > last_visible_index_)
@@ skipping 954 matching lines @@
       distance = bounds.x() - coordinate.x();
       break;
     case SHELF_ALIGNMENT_TOP:
       distance = coordinate.y() - bounds.bottom();
       break;
   }
   return distance > 0 ? distance : 0;
 }
 
 }  // namespace ash