Removed unused TrayItemMore::ReplaceIcon().

ash/common/system/tray/tray_item_more.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/common/system/tray/tray_item_more.h"
 
 #include "ash/common/material_design/material_design_controller.h"
 #include "ash/common/system/tray/fixed_sized_image_view.h"
 #include "ash/common/system/tray/system_tray_item.h"
 #include "ash/common/system/tray/tray_constants.h"
 #include "ash/resources/vector_icons/vector_icons.h"
 #include "grit/ash_resources.h"
 #include "ui/accessibility/ax_view_state.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/image/image.h"
 #include "ui/gfx/paint_vector_icon.h"
 #include "ui/views/controls/image_view.h"
 #include "ui/views/controls/label.h"
 #include "ui/views/layout/box_layout.h"
 
 namespace ash {
 
 TrayItemMore::TrayItemMore(SystemTrayItem* owner, bool show_more)
     : owner_(owner),
       show_more_(show_more),
-      icon_(NULL),
-      label_(NULL),
-      more_(NULL) {
+      icon_(nullptr),
+      label_(nullptr),
+      more_(nullptr) {
   SetLayoutManager(new views::BoxLayout(views::BoxLayout::kHorizontal,
                                         kTrayPopupPaddingHorizontal, 0,
                                         kTrayPopupPaddingBetweenItems));
 
   icon_ = new FixedSizedImageView(0, GetTrayConstant(TRAY_POPUP_ITEM_HEIGHT));
   AddChildView(icon_);
 
   label_ = new views::Label;
   label_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
   AddChildView(label_);
@@ skipping 23 matching lines @@
 
 void TrayItemMore::SetImage(const gfx::ImageSkia& image_skia) {
   icon_->SetImage(image_skia);
   SchedulePaint();
 }
 
 void TrayItemMore::SetAccessibleName(const base::string16& name) {
   accessible_name_ = name;
 }
 
-void TrayItemMore::ReplaceIcon(views::View* view) {
-  delete icon_;
-  icon_ = NULL;
-  AddChildViewAt(view, 0);
-}
-
 bool TrayItemMore::PerformAction(const ui::Event& event) {
   if (!show_more_)
     return false;
 
   owner()->TransitionDetailedView();
   return true;
 }
 
 void TrayItemMore::Layout() {
   // Let the box-layout do the layout first. Then move the '>' arrow to right
@@ skipping 18 matching lines @@
   }
 }
 
 void TrayItemMore::GetAccessibleState(ui::AXViewState* state) {
   ActionableView::GetAccessibleState(state);
   if (!accessible_name_.empty())
     state->name = accessible_name_;
 }
 
 }  // namespace ash