Elim spurious override in system_tray.cc.

ash/system/tray/system_tray.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/system/tray/system_tray.h"
 
 #include "ash/shell.h"
 #include "ash/shell/panel_window.h"
 #include "ash/shell_window_ids.h"
 #include "ash/system/audio/tray_volume.h"
@@ skipping 395 matching lines @@
   // Inform host items (models) that their views are being destroyed.
   if (host_)
     host_->DestroyItemViews();
 }
 
 void SystemTrayBubbleView::Init() {
   SetLayoutManager(new views::BoxLayout(views::BoxLayout::kVertical, 1, 1, 1));
   set_background(new SystemTrayBubbleBackground(this));
 }
 
-gfx::Rect SystemTrayBubbleView::GetAnchorRect() OVERRIDE {
+gfx::Rect SystemTrayBubbleView::GetAnchorRect() {
   if (host_) {
     views::Widget* widget = host_->GetTrayWidget();
     if (widget->IsVisible()) {
       gfx::Rect rect = widget->GetWindowScreenBounds();
       rect.Inset(
           base::i18n::IsRTL() ? kPaddingFromRightEdgeOfScreen : 0, 0,
           base::i18n::IsRTL() ? 0 : kPaddingFromRightEdgeOfScreen,
           kPaddingFromBottomOfScreen);
       return rect;
     }
@@ skipping 446 matching lines @@
     canvas->DrawFocusRect(container_->bounds());
 }
 
 void SystemTray::UpdateBackground(int alpha) {
   background_->set_alpha(hide_background_animator_.alpha() +
                          hover_background_animator_.alpha());
   SchedulePaint();
 }
 
 }  // namespace ash