Explicitly convert Point to PointF for event code

ash/shelf/shelf_view.cc

Index: ash/shelf/shelf_view.cc
diff --git a/ash/shelf/shelf_view.cc b/ash/shelf/shelf_view.cc
index 9f3fe0a05165812de2521df3fe5ff67c16a4a677..081ef620c2d60d07437f8bc131abaa106aff3563 100644
--- a/ash/shelf/shelf_view.cc
+++ b/ash/shelf/shelf_view.cc
@@ -623,8 +623,8 @@ bool ShelfView::StartDrag(const std::string& app_id,
   gfx::Point point_in_root = location_in_screen_coordinates;
   ::wm::ConvertPointFromScreen(
       ash::wm::GetRootWindowAt(location_in_screen_coordinates), &point_in_root);
-  ui::MouseEvent event(ui::ET_MOUSE_PRESSED, pt, point_in_root,
-                       ui::EventTimeForNow(), 0, 0);
+  ui::MouseEvent event(ui::ET_MOUSE_PRESSED, gfx::PointF(pt),
+                       gfx::PointF(point_in_root), ui::EventTimeForNow(), 0, 0);
   PointerPressedOnButton(drag_and_drop_view,
                          ShelfButtonHost::DRAG_AND_DROP,
                          event);
@@ -646,8 +646,8 @@ bool ShelfView::Drag(const gfx::Point& location_in_screen_coordinates) {
   gfx::Point point_in_root = location_in_screen_coordinates;
   ::wm::ConvertPointFromScreen(
       ash::wm::GetRootWindowAt(location_in_screen_coordinates), &point_in_root);
-  ui::MouseEvent event(ui::ET_MOUSE_DRAGGED, pt, point_in_root,
-                       ui::EventTimeForNow(), 0, 0);
+  ui::MouseEvent event(ui::ET_MOUSE_DRAGGED, gfx::PointF(pt),
+                       gfx::PointF(point_in_root), ui::EventTimeForNow(), 0, 0);
   PointerDraggedOnButton(drag_and_drop_view,
                          ShelfButtonHost::DRAG_AND_DROP,
                          event);