Remove unused ash::SHELF_ALIGNMENT_TOP

ash/shelf/shelf_button.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/shelf_button.h"
 
 #include <algorithm>
 
 #include "ash/ash_constants.h"
 #include "ash/ash_switches.h"
@@ skipping 359 matching lines @@
   int y_offset = shelf->PrimaryAxisValue(icon_pad, 0);
 
   int icon_width = std::min(kIconSize, button_bounds.width() - x_offset);
   int icon_height = std::min(kIconSize, button_bounds.height() - y_offset);
 
   // If on the left or top 'invert' the inset so the constant gap is on
   // the interior (towards the center of display) edge of the shelf.
   if (SHELF_ALIGNMENT_LEFT == shelf->alignment())
     x_offset = button_bounds.width() - (kIconSize + icon_pad);
 
-  if (SHELF_ALIGNMENT_TOP == shelf->alignment())
-    y_offset = button_bounds.height() - (kIconSize + icon_pad);
-
   // Center icon with respect to the secondary axis, and ensure
   // that the icon doesn't occlude the bar highlight.
   if (shelf->IsHorizontalAlignment()) {
     x_offset = std::max(0, button_bounds.width() - icon_width) / 2;
     if (y_offset + icon_height + kBarSize > button_bounds.height())
       icon_height = button_bounds.height() - (y_offset + kBarSize);
   } else {
     y_offset = std::max(0, button_bounds.height() - icon_height) / 2;
     if (x_offset + icon_width + kBarSize > button_bounds.width())
       icon_width = button_bounds.width() - (x_offset + kBarSize);
@@ skipping 99 matching lines @@
     const gfx::ImageSkia* image = rb.GetImageNamed(bar_id).ToImageSkia();
 
     Shelf* shelf = shelf_view_->shelf();
     if (shelf->alignment() == SHELF_ALIGNMENT_BOTTOM) {
       bar_->SetImage(*image);
     } else {
       bar_->SetImage(gfx::ImageSkiaOperations::CreateRotatedImage(
           *image, shelf->SelectValueForShelfAlignment(
                       SkBitmapOperations::ROTATION_90_CW,
                       SkBitmapOperations::ROTATION_90_CW,
-                      SkBitmapOperations::ROTATION_270_CW,
-                      SkBitmapOperations::ROTATION_180_CW)));
+                      SkBitmapOperations::ROTATION_270_CW)));
     }
     bar_->SetHorizontalAlignment(shelf->SelectValueForShelfAlignment(
         views::ImageView::CENTER, views::ImageView::LEADING,
-        views::ImageView::TRAILING, views::ImageView::CENTER));
+        views::ImageView::TRAILING));
     bar_->SetVerticalAlignment(shelf->SelectValueForShelfAlignment(
         views::ImageView::TRAILING, views::ImageView::CENTER,
-        views::ImageView::CENTER, views::ImageView::LEADING));
+        views::ImageView::CENTER));
     bar_->SchedulePaint();
   }
 
   bar_->SetVisible(bar_id != 0 && state_ != STATE_NORMAL);
 }
 
 }  // namespace ash