Remove unused ash::SHELF_ALIGNMENT_TOP

ash/shelf/overflow_bubble_view.cc

 // Copyright 2013 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/overflow_bubble_view.h"
 
 #include <algorithm>
 
 #include "ash/root_window_controller.h"
 #include "ash/shelf/shelf.h"
@@ skipping 57 matching lines @@
 const gfx::Size OverflowBubbleView::GetContentsSize() const {
   return static_cast<views::View*>(shelf_view_)->GetPreferredSize();
 }
 
 // Gets arrow location based on shelf alignment.
 views::BubbleBorder::Arrow OverflowBubbleView::GetBubbleArrow() const {
   if (!shelf_view_)
     return views::BubbleBorder::NONE;
   return shelf_view_->shelf()->SelectValueForShelfAlignment(
       views::BubbleBorder::BOTTOM_LEFT, views::BubbleBorder::LEFT_TOP,
-      views::BubbleBorder::RIGHT_TOP, views::BubbleBorder::TOP_LEFT);
+      views::BubbleBorder::RIGHT_TOP);
 }
 
 void OverflowBubbleView::ScrollByXOffset(int x_offset) {
   const gfx::Rect visible_bounds(GetContentsBounds());
   const gfx::Size contents_size(GetContentsSize());
 
   DCHECK_GE(contents_size.width(), visible_bounds.width());
   int x = std::min(contents_size.width() - visible_bounds.width(),
                    std::max(0, scroll_offset_.x() + x_offset));
   scroll_offset_.set_x(x);
@@ skipping 113 matching lines @@
 
     bubble_rect.Offset(0, offset);
     border->set_arrow_offset(anchor_rect.CenterPoint().y() - bubble_rect.y());
   }
 
   GetBubbleFrameView()->SchedulePaint();
   return bubble_rect;
 }
 
 }  // namespace ash