[Ash] Remove HoverHighlightView::hover()

ash/common/system/chromeos/network/network_list_md.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/chromeos/network/network_list_md.h"
 
 #include <stddef.h>
 
 #include "ash/common/system/chromeos/network/network_icon.h"
 #include "ash/common/system/chromeos/network/network_icon_animation.h"
@@ skipping 447 matching lines @@
   }
 
   for (const auto& remove_iter : remove_guids)
     network_guid_map_.erase(remove_iter);
 
   if (!needs_relayout_)
     return;
 
   views::View* selected_view = nullptr;
   for (const auto& iter : network_guid_map_) {
-    if (delegate_->IsViewHovered(iter.second)) {
+    if (iter.second->IsMouseHovered()) {
       selected_view = iter.second;
       break;
     }
   }
   container()->SizeToPreferredSize();
   delegate_->RelayoutScrollList();
   if (selected_view)
     container()->ScrollRectToVisible(selected_view->bounds());
 }
 
@@ skipping 195 matching lines @@
   if (found == last_network_info_map_.end()) {
     // If we cannot find |info| in |last_network_info_map_|, just return true
     // since this is a new network so we have nothing to compare.
     return true;
   } else {
     return *found->second != info;
   }
 }
 
 }  // namespace ash