Replace 'Scanning' text in Network Status Area with throbber

ash/system/chromeos/network/network_state_list_detailed_view.h

 // 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.
 
 #ifndef ASH_SYSTEM_CHROMEOS_NETWORK_NETWORK_STATE_LIST_DETAILED_VIEW_H_
 #define ASH_SYSTEM_CHROMEOS_NETWORK_NETWORK_STATE_LIST_DETAILED_VIEW_H_
 
 #include <string>
 
 #include "ash/system/chromeos/network/network_detailed_view.h"
@@ skipping 14 matching lines @@
 class NetworkListViewBase;
 }
 
 namespace views {
 class BubbleDelegateView;
 }
 
 namespace ash {
 class HoverHighlightView;
 class SystemTrayItem;
+class ThrobberView;
 class TrayPopupLabelButton;
 
 namespace tray {
 
 class NetworkStateListDetailedView
     : public NetworkDetailedView,
       public views::ButtonListener,
       public ViewClickListener,
       public ui::NetworkListDelegate,
       public base::SupportsWeakPtr<NetworkStateListDetailedView> {
  public:
   enum ListType { LIST_TYPE_NETWORK, LIST_TYPE_VPN };
 
   NetworkStateListDetailedView(SystemTrayItem* owner,
                                ListType list_type,
                                user::LoginStatus login);
   ~NetworkStateListDetailedView() override;
 
   // Overridden from NetworkDetailedView:
   void Init() override;
   DetailedViewType GetViewType() const override;
   void Update() override;
 
+  // Called by the WiFi Scanning Throbber when pressed.
+  bool ThrobberPressed(views::View* sender, const ui::Event& event);
+
  protected:
   // Overridden from ButtonListener.
   void ButtonPressed(views::Button* sender, const ui::Event& event) override;
 
   // Overridden from ViewClickListener.
   void OnViewClicked(views::View* sender) override;
 
  private:
   class InfoBubble;
 
   // Create UI components.
   void CreateHeaderEntry();
-  void CreateHeaderButtons();
   void CreateNetworkExtra();
 
   // Update UI components.
   void UpdateHeaderButtons();
   void UpdateTechnologyButton(TrayPopupHeaderButton* button,
                               const chromeos::NetworkTypePattern& technology);
 
   void UpdateNetworkList();
 
   bool OrderChild(views::View* view, int index);
@@ skipping 30 matching lines @@
                             const ui::NetworkInfo& info) override;
   views::Label* CreateInfoLabel() override;
   void RelayoutScrollList() override;
 
   // Type of list (all networks or vpn)
   ListType list_type_;
 
   // Track login state.
   user::LoginStatus login_;
 
+  // Track WiFi scanning state.
+  bool wifi_scanning_;
+
   // Child views.
   TrayPopupHeaderButton* info_icon_;
   TrayPopupHeaderButton* button_wifi_;
   TrayPopupHeaderButton* button_mobile_;
   TrayPopupLabelButton* other_wifi_;
   TrayPopupLabelButton* turn_on_wifi_;
   TrayPopupLabelButton* other_mobile_;
   TrayPopupLabelButton* settings_;
   TrayPopupLabelButton* proxy_settings_;
 
   // A small bubble for displaying network info.
   views::BubbleDelegateView* info_bubble_;
 
+  // WiFi scanning throbber.
+  ThrobberView* scanning_throbber_;
+
   gfx::Image controlled_by_extension_icon_;
 
   scoped_ptr<ui::NetworkListViewBase> network_list_view_;
 
   DISALLOW_COPY_AND_ASSIGN(NetworkStateListDetailedView);
 };
 
 }  // namespace tray
 }  // namespace ash
 
 #endif  // ASH_SYSTEM_CHROMEOS_NETWORK_NETWORK_STATE_LIST_DETAILED_VIEW_H_