[Ash] Remove HoverHighlightView::hover()

ash/common/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_COMMON_SYSTEM_CHROMEOS_NETWORK_NETWORK_STATE_LIST_DETAILED_VIEW_H_
 #define ASH_COMMON_SYSTEM_CHROMEOS_NETWORK_NETWORK_STATE_LIST_DETAILED_VIEW_H_
 
 #include <memory>
 #include <string>
 
@@ skipping 65 matching lines @@
   // Creates the view of an extra icon appearing next to the network name
   // indicating that the network is controlled by an extension. If no extension
   // is registered for this network, returns |nullptr|.
   views::View* CreateControlledByExtensionView(const NetworkInfo& info);
 
   // Periodically request a network scan.
   void CallRequestScan();
 
   // NetworkListDelegate:
   views::View* CreateViewForNetwork(const NetworkInfo& info) override;
-  bool IsViewHovered(views::View* view) override;
   chromeos::NetworkTypePattern GetNetworkTypePattern() const override;
   void UpdateViewForNetwork(views::View* view,
                             const NetworkInfo& info) override;
   views::Label* CreateInfoLabel() override;
   void OnNetworkEntryClicked(views::View* sender) override;
   void OnOtherWifiClicked() override;
   void RelayoutScrollList() override;
 
   // Type of list (all networks or vpn)
   ListType list_type_;
@@ skipping 10 matching lines @@
 
   std::unique_ptr<NetworkListViewBase> network_list_view_;
 
   DISALLOW_COPY_AND_ASSIGN(NetworkStateListDetailedView);
 };
 
 }  // namespace tray
 }  // namespace ash
 
 #endif  // ASH_COMMON_SYSTEM_CHROMEOS_NETWORK_NETWORK_STATE_LIST_DETAILED_VIEW_H_