Remove unused references to NativeTheme in TrayPopupItemStyle.

ash/common/system/date/date_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 "ash/common/system/date/date_view.h"
 
 #include "ash/common/material_design/material_design_controller.h"
 #include "ash/common/system/tray/system_tray_controller.h"
 #include "ash/common/system/tray/tray_constants.h"
 #include "ash/common/system/tray/tray_popup_item_style.h"
@@ skipping 165 matching lines @@
     SetLayoutManager(box_layout);
   } else {
     SetLayoutManager(
         new views::BoxLayout(views::BoxLayout::kVertical, 0, 0, 0));
   }
   date_label_ = TrayPopupUtils::CreateDefaultLabel();
   date_label_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
   if (!UseMd())
     date_label_->SetEnabledColor(kHeaderTextColorNormal);
   UpdateTextInternal(base::Time::Now());
+  TrayPopupItemStyle style(TrayPopupItemStyle::FontStyle::SYSTEM_INFO);
+  style.SetupLabel(date_label_);
   AddChildView(date_label_);
 }
 
 DateView::~DateView() {}
 
 void DateView::SetAction(DateAction action) {
   if (action == action_)
     return;
   if (IsMouseHovered() && !UseMd()) {
     date_label_->SetEnabledColor(action == DateAction::NONE
@@ skipping 25 matching lines @@
 
 void DateView::SetActive(bool active) {
   if (UseMd())
     return;
 
   date_label_->SetEnabledColor(active ? kHeaderTextColorHover
                                       : kHeaderTextColorNormal);
   SchedulePaint();
 }
 
-void DateView::UpdateStyle() {
-  TrayPopupItemStyle style(GetNativeTheme(),
-                           TrayPopupItemStyle::FontStyle::SYSTEM_INFO);
-  style.SetupLabel(date_label_);
-}
-
 void DateView::UpdateTextInternal(const base::Time& now) {
   BaseDateTimeView::UpdateTextInternal(now);
   date_label_->SetText(l10n_util::GetStringFUTF16(
       IDS_ASH_STATUS_TRAY_DATE, FormatDayOfWeek(now), FormatDate(now)));
 }
 
 bool DateView::PerformAction(const ui::Event& event) {
   if (action_ == DateAction::NONE)
     return false;
   if (action_ == DateAction::SHOW_DATE_SETTINGS)
@@ skipping 21 matching lines @@
 void DateView::OnGestureEvent(ui::GestureEvent* event) {
   if (event->type() == ui::ET_GESTURE_TAP_DOWN) {
     SetActive(true);
   } else if (event->type() == ui::ET_GESTURE_TAP_CANCEL ||
              event->type() == ui::ET_GESTURE_END) {
     SetActive(false);
   }
   BaseDateTimeView::OnGestureEvent(event);
 }
 
-void DateView::OnNativeThemeChanged(const ui::NativeTheme* theme) {
-  UpdateStyle();
-}
-
 ///////////////////////////////////////////////////////////////////////////////
 
 TimeView::TimeView(ClockLayout clock_layout) : BaseDateTimeView(nullptr) {
   SetupLabels();
   UpdateTextInternal(base::Time::Now());
   UpdateClockLayout(clock_layout);
 }
 
 TimeView::~TimeView() {}
 
@@ skipping 114 matching lines @@
 }
 
 void TimeView::SetupLabel(views::Label* label) {
   label->set_owned_by_client();
   SetupLabelForTray(label);
   label->SetElideBehavior(gfx::NO_ELIDE);
 }
 
 }  // namespace tray
 }  // namespace ash