Add ash UI for third-party VPNs

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 "base/basictypes.h"
 #include "base/compiler_specific.h"
@@ skipping 45 matching lines @@
   void set_text_default_color(SkColor color) { text_default_color_ = color; }
 
   views::Label* text_label() { return text_label_; }
 
   bool hover() const { return hover_; }
 
  protected:
   // Overridden from views::View.
   void GetAccessibleState(ui::AXViewState* state) override;
 
- private:
   // Sets the highlighted color on a text label if |hover| is set.
   void SetHoverHighlight(bool hover);
 
+ private:
   // Overridden from ActionableView:
   bool PerformAction(const ui::Event& event) override;
 
   // Overridden from views::View.
   gfx::Size GetPreferredSize() const override;
   int GetHeightForWidth(int width) const override;
   void OnMouseEntered(const ui::MouseEvent& event) override;
   void OnMouseExited(const ui::MouseEvent& event) override;
   void OnGestureEvent(ui::GestureEvent* event) override;
+  void OnBoundsChanged(const gfx::Rect& previous_bounds) override;
   void OnEnabledChanged() override;
   void OnPaintBackground(gfx::Canvas* canvas) override;
   void OnFocus() override;
 
   ViewClickListener* listener_;
   views::Label* text_label_;
   SkColor highlight_color_;
   SkColor default_color_;
   SkColor text_highlight_color_;
   SkColor text_default_color_;
   bool hover_;
   bool expandable_;
   bool checkable_;
   bool checked_;
 
   DISALLOW_COPY_AND_ASSIGN(HoverHighlightView);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SYSTEM_TRAY_HOVER_HIGHLIGHT_VIEW_H_