[Ash] Remove HoverHighlightView::hover()

ash/common/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_COMMON_SYSTEM_TRAY_HOVER_HIGHLIGHT_VIEW_H_
 #define ASH_COMMON_SYSTEM_TRAY_HOVER_HIGHLIGHT_VIEW_H_
 
 #include "ash/common/system/tray/actionable_view.h"
 #include "ash/common/system/tray/tray_popup_item_style.h"
 #include "base/macros.h"
@@ skipping 103 matching lines @@
   void SetAccessiblityState(AccessibilityState accessibility_state);
 
   void set_highlight_color(SkColor color) { highlight_color_ = color; }
   void set_default_color(SkColor color) { default_color_ = color; }
   void set_text_highlight_color(SkColor c) { text_highlight_color_ = c; }
   void set_text_default_color(SkColor color) { text_default_color_ = color; }
 
   views::Label* text_label() { return text_label_; }
   views::Label* sub_text_label() { return sub_text_label_; }
 
-  bool hover() const { return hover_; }
-
   void set_tooltip(const base::string16& tooltip) { tooltip_ = tooltip; }
 
  protected:
   // Overridden from views::View.
   void GetAccessibleNodeData(ui::AXNodeData* node_data) override;
 
   // Sets the highlighted color on a text label if |hover| is set.
   void SetHoverHighlight(bool hover);
 
   TriView* tri_view() { return tri_view_; }
@@ skipping 50 matching lines @@
   int custom_height_ = 0;  // Not used in material design.
   AccessibilityState accessibility_state_ = AccessibilityState::DEFAULT;
   base::string16 tooltip_;
 
   DISALLOW_COPY_AND_ASSIGN(HoverHighlightView);
 };
 
 }  // namespace ash
 
 #endif  // ASH_COMMON_SYSTEM_TRAY_HOVER_HIGHLIGHT_VIEW_H_