Merge NetworkListViewBase hierarchy and NetworkStateListDetailedView

ash/system/tray/hover_highlight_view.h

 // Copyright 2013 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_TRAY_HOVER_HIGHLIGHT_VIEW_H_
 #define ASH_SYSTEM_TRAY_HOVER_HIGHLIGHT_VIEW_H_
 
 #include "ash/system/tray/actionable_view.h"
 #include "ash/system/tray/tray_popup_item_style.h"
 #include "base/macros.h"
@@ skipping 67 matching lines @@
   // equals to kTrayPopupItemHeight.
   void SetExpandable(bool expandable);
 
   // Changes the view's current accessibility state. This will fire an
   // accessibility event if needed.
   void SetAccessiblityState(AccessibilityState accessibility_state);
 
   // Removes current children of the view so that it can be re-populated.
   void Reset();
 
+  bool is_populated() const { return is_populated_; }
+
   views::Label* text_label() { return text_label_; }
   views::Label* sub_text_label() { return sub_text_label_; }
 
  protected:
   // views::View:
   void GetAccessibleNodeData(ui::AXNodeData* node_data) override;
 
   TriView* tri_view() { return tri_view_; }
 
  private:
@@ skipping 32 matching lines @@
   TriView* tri_view_ = nullptr;
   bool expandable_ = false;
   AccessibilityState accessibility_state_ = AccessibilityState::DEFAULT;
 
   DISALLOW_COPY_AND_ASSIGN(HoverHighlightView);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SYSTEM_TRAY_HOVER_HIGHLIGHT_VIEW_H_