Materialized the font/icon color for some default rows in the system menu.

ash/common/system/tray/tray_popup_item_style.cc

 // Copyright 2016 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_popup_item_style.h"
 
-#include "ash/common/system/tray/tray_popup_item_style_observer.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/gfx/font.h"
 #include "ui/gfx/font_list.h"
 #include "ui/native_theme/native_theme.h"
 #include "ui/views/controls/label.h"
 
 namespace ash {
 namespace {
 
 // TODO(bruthig): Consider adding an 'inactive' color to the NativeTheme
 // and allow Label to use it directly. This would require changing the
 // View::enabled_ flag to a tri-state enum.
 const SkColor kInactiveTextColor = SkColorSetRGB(0x64, 0x64, 0x64);
 }  // namespace
 
 TrayPopupItemStyle::TrayPopupItemStyle(const ui::NativeTheme* theme,
                                        FontStyle font_style)
     : theme_(theme),
       font_style_(font_style),
       color_style_(ColorStyle::ACTIVE) {}
 
 TrayPopupItemStyle::~TrayPopupItemStyle() {}
 
-void TrayPopupItemStyle::AddObserver(TrayPopupItemStyleObserver* observer) {
-  if (!observers_.HasObserver(observer))
-    observers_.AddObserver(observer);
-}
-
-void TrayPopupItemStyle::RemoveObserver(TrayPopupItemStyleObserver* observer) {
-  observers_.RemoveObserver(observer);
-}
-
-void TrayPopupItemStyle::SetTheme(const ui::NativeTheme* theme) {
-  theme_ = theme;
-  NotifyObserversStyleUpdated();
-}
-
-void TrayPopupItemStyle::SetColorStyle(ColorStyle color_style) {
-  color_style_ = color_style;
-  NotifyObserversStyleUpdated();
-}
-
-void TrayPopupItemStyle::SetFontStyle(FontStyle font_style) {
-  font_style_ = font_style;
-  NotifyObserversStyleUpdated();
-}
-
 SkColor TrayPopupItemStyle::GetForegroundColor() const {
   switch (color_style_) {
     case ColorStyle::ACTIVE:
       return theme_->GetSystemColor(
           ui::NativeTheme::kColorId_LabelEnabledColor);
     case ColorStyle::INACTIVE:
       return kInactiveTextColor;
     case ColorStyle::DISABLED:
       return theme_->GetSystemColor(
           ui::NativeTheme::kColorId_LabelDisabledColor);
@@ skipping 25 matching lines @@
       label->SetFontList(base_font_list.Derive(0, gfx::Font::NORMAL,
                                                gfx::Font::Weight::NORMAL));
       break;
     case FontStyle::BUTTON:
       label->SetFontList(base_font_list.Derive(0, gfx::Font::NORMAL,
                                                gfx::Font::Weight::MEDIUM));
       break;
   }
 }
 
-void TrayPopupItemStyle::NotifyObserversStyleUpdated() {
-  FOR_EACH_OBSERVER(TrayPopupItemStyleObserver, observers_,
-                    OnTrayPopupItemStyleUpdated());
-}
-
 }  // namespace ash