Remove unused ash::SHELF_ALIGNMENT_TOP

ash/wm/panels/panel_layout_manager.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/wm/panels/panel_layout_manager.h"
 
 #include <algorithm>
 #include <map>
 #include <utility>
 
@@ skipping 61 matching lines @@
         path.moveTo(SkIntToScalar(0), SkIntToScalar(0));
         path.lineTo(SkIntToScalar(kArrowWidth / 2),
                     SkIntToScalar(kArrowHeight));
         path.lineTo(SkIntToScalar(kArrowWidth), SkIntToScalar(0));
         break;
       case SHELF_ALIGNMENT_LEFT:
         path.moveTo(SkIntToScalar(kArrowHeight), SkIntToScalar(kArrowWidth));
         path.lineTo(SkIntToScalar(0), SkIntToScalar(kArrowWidth / 2));
         path.lineTo(SkIntToScalar(kArrowHeight), SkIntToScalar(0));
         break;
-      case SHELF_ALIGNMENT_TOP:
-        path.moveTo(SkIntToScalar(0), SkIntToScalar(kArrowHeight));
-        path.lineTo(SkIntToScalar(kArrowWidth / 2), SkIntToScalar(0));
-        path.lineTo(SkIntToScalar(kArrowWidth), SkIntToScalar(kArrowHeight));
-        break;
       case SHELF_ALIGNMENT_RIGHT:
         path.moveTo(SkIntToScalar(0), SkIntToScalar(0));
         path.lineTo(SkIntToScalar(kArrowHeight),
                     SkIntToScalar(kArrowWidth / 2));
         path.lineTo(SkIntToScalar(0), SkIntToScalar(kArrowWidth));
         break;
     }
     // Hard code the arrow color for now.
     SkPaint paint;
     paint.setStyle(SkPaint::kFill_Style);
@@ skipping 89 matching lines @@
   switch (alignment) {
     case SHELF_ALIGNMENT_BOTTOM:
       offset.set_y(kPanelSlideInOffset);
       break;
     case SHELF_ALIGNMENT_LEFT:
       offset.set_x(-kPanelSlideInOffset);
       break;
     case SHELF_ALIGNMENT_RIGHT:
       offset.set_x(kPanelSlideInOffset);
       break;
-    case SHELF_ALIGNMENT_TOP:
-      offset.set_y(-kPanelSlideInOffset);
-      break;
   }
   return offset;
 }
 
 }  // namespace
 
 class PanelCalloutWidget : public views::Widget {
  public:
   explicit PanelCalloutWidget(aura::Window* container)
       : background_(NULL) {
     InitWidget(container);
   }
 
   void SetAlignment(ShelfAlignment alignment) {
     gfx::Rect callout_bounds = GetWindowBoundsInScreen();
-    if (alignment == SHELF_ALIGNMENT_BOTTOM ||
-        alignment == SHELF_ALIGNMENT_TOP) {
+    if (alignment == SHELF_ALIGNMENT_BOTTOM) {
       callout_bounds.set_width(kArrowWidth);
       callout_bounds.set_height(kArrowHeight);
     } else {
       callout_bounds.set_width(kArrowHeight);
       callout_bounds.set_height(kArrowWidth);
     }
     GetNativeWindow()->SetBounds(callout_bounds);
     if (background_->alignment() != alignment) {
       background_->set_alignment(alignment);
       SchedulePaintInRect(gfx::Rect(gfx::Point(), callout_bounds.size()));
@@ skipping 488 matching lines @@
     switch (alignment) {
       case SHELF_ALIGNMENT_BOTTOM:
         bounds.set_y(shelf_bounds.y() - bounds.height());
         break;
       case SHELF_ALIGNMENT_LEFT:
         bounds.set_x(shelf_bounds.right());
         break;
       case SHELF_ALIGNMENT_RIGHT:
         bounds.set_x(shelf_bounds.x() - bounds.width());
         break;
-      case SHELF_ALIGNMENT_TOP:
-        bounds.set_y(shelf_bounds.bottom());
-        break;
     }
     bool on_shelf = visible_panels[i].window->GetTargetBounds() == bounds;
 
     if (horizontal) {
       bounds.set_x(visible_panels[i].major_pos -
                    visible_panels[i].major_length / 2);
     } else {
       bounds.set_y(visible_panels[i].major_pos -
                    visible_panels[i].major_length / 2);
     }
@@ skipping 123 matching lines @@
     switch (shelf_->alignment()) {
       case SHELF_ALIGNMENT_BOTTOM:
         callout_bounds.set_y(bounds.bottom());
         break;
       case SHELF_ALIGNMENT_LEFT:
         callout_bounds.set_x(bounds.x() - callout_bounds.width());
         break;
       case SHELF_ALIGNMENT_RIGHT:
         callout_bounds.set_x(bounds.right());
         break;
-      case SHELF_ALIGNMENT_TOP:
-        callout_bounds.set_y(bounds.y() - callout_bounds.height());
-        break;
     }
     callout_bounds = ScreenUtil::ConvertRectFromScreen(
         callout_widget->GetNativeWindow()->parent(),
         callout_bounds);
 
     SetChildBoundsDirect(callout_widget->GetNativeWindow(), callout_bounds);
     panel_container_->StackChildAbove(callout_widget->GetNativeWindow(),
                                       panel);
 
     ui::Layer* layer = callout_widget->GetNativeWindow()->layer();
@@ skipping 60 matching lines @@
       // Keyboard hidden, restore original bounds if they exist.
       SetChildBounds(panel, panel_state->GetRestoreBoundsInScreen());
     }
   }
   // This bounds change will have caused a change to the Shelf which does not
   // propogate automatically to this class, so manually recalculate bounds.
   OnWindowResized();
 }
 
 }  // namespace ash