Context menus on view elements should be positioned above the finger when

ash/launcher/launcher_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/launcher/launcher_view.h"
 
 #include <algorithm>
 
 #include "ash/launcher/app_list_button.h"
 #include "ash/launcher/launcher_button.h"
@@ skipping 1041 matching lines @@
   AutoReset<LauncherID> reseter(
       &context_menu_id_,
       view_index == -1 ? 0 : model_->items()[view_index].id);
   views::MenuModelAdapter menu_model_adapter(menu_model.get());
   launcher_menu_runner_.reset(
       new views::MenuRunner(menu_model_adapter.CreateMenu()));
   // NOTE: if you convert to HAS_MNEMONICS be sure and update menu building
   // code.
   if (launcher_menu_runner_->RunMenuAt(
           source->GetWidget(), NULL, gfx::Rect(point, gfx::Size()),
-          views::MenuItemView::TOPLEFT, 0) == views::MenuRunner::MENU_DELETED)
+          views::MenuItemView::TOPLEFT, views::MenuRunner::CONTEXT_MENU) ==
+      views::MenuRunner::MENU_DELETED)
     return;
 
   Shell::GetInstance()->UpdateShelfVisibility();
 #endif
 }
 
 void LauncherView::OnBoundsAnimatorProgressed(views::BoundsAnimator* animator) {
   FOR_EACH_OBSERVER(LauncherIconObserver, observers_,
                     OnLauncherIconPositionsChanged());
   PreferredSizeChanged();
 }
 
 void LauncherView::OnBoundsAnimatorDone(views::BoundsAnimator* animator) {
 }
 
 }  // namespace internal
 }  // namespace ash