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

ash/popup_message.cc

 // Copyright (c) 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/popup_message.h"
 
 #include "ash/wm/window_animations.h"
 #include "grit/ash_resources.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/insets.h"
 #include "ui/views/bubble/bubble_delegate.h"
 #include "ui/views/bubble/bubble_frame_view.h"
 #include "ui/views/controls/image_view.h"
 #include "ui/views/controls/label.h"
 #include "ui/views/layout/box_layout.h"
 #include "ui/views/widget/widget.h"
 
 namespace ash {
 namespace {
 const int kMessageTopBottomMargin = 10;
 const int kMessageLeftRightMargin = 10;
-const int kMessageAppearanceDelayMs = 200;
 const int kMessageMinHeight = 29 - 2 * kMessageTopBottomMargin;
 const SkColor kMessageTextColor = SkColorSetRGB(0x22, 0x22, 0x22);
 
 // The maximum width of the Message bubble.  Borrowed the value from
 // ash/message/message_controller.cc
 const int kMessageMaxWidth = 250;
 
 // The offset for the Message bubble - making sure that the bubble is flush
 // with the shelf. The offset includes the arrow size in pixels as well as
 // the activation bar and other spacing elements.
@@ skipping 184 matching lines @@
 void PopupMessage::CancelHidingAnimation() {
   if (!widget_ || !widget_->GetNativeView())
     return;
 
   gfx::NativeView native_view = widget_->GetNativeView();
   views::corewm::SetWindowVisibilityAnimationTransition(
       native_view, views::corewm::ANIMATE_NONE);
 }
 
 }  // namespace ash