linux and chromeos: Turn on -Wunused-const-variable.

ui/app_list/views/app_list_item_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 "ui/app_list/views/app_list_item_view.h"
 
 #include <algorithm>
 
 #include "base/strings/utf_string_conversions.h"
 #include "ui/app_list/app_list_constants.h"
@@ skipping 14 matching lines @@
 #include "ui/views/controls/image_view.h"
 #include "ui/views/controls/label.h"
 #include "ui/views/controls/menu/menu_item_view.h"
 #include "ui/views/controls/menu/menu_runner.h"
 #include "ui/views/drag_controller.h"
 
 namespace app_list {
 
 namespace {
 
-const int kTopBottomPadding = 10;
 const int kTopPadding = 20;
 const int kIconTitleSpacing = 7;
 const int kProgressBarHorizontalPadding = 12;
-const int kProgressBarVerticalPadding = 4;
-const int kProgressBarHeight = 4;
 
 const int kLeftRightPaddingChars = 1;
 
 // Scale to transform the icon when a drag starts.
 const float kDraggingIconScale = 1.5f;
 
 // Delay in milliseconds of when the dragging UI should be shown for mouse drag.
 const int kMouseDragUIDelayInMs = 100;
 
 }  // namespace
@@ skipping 350 matching lines @@
         SetTouchDragging(false);
       break;
     default:
       break;
   }
   if (!event->handled())
     CustomButton::OnGestureEvent(event);
 }
 
 }  // namespace app_list