Add ash UI for third-party VPNs

ash/system/tray/hover_highlight_view.cc

 // Copyright 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.
 
 #include "ash/system/tray/hover_highlight_view.h"
 
 #include "ash/system/tray/fixed_sized_image_view.h"
 #include "ash/system/tray/tray_constants.h"
 #include "ash/system/tray/view_click_listener.h"
 #include "ui/accessibility/ax_view_state.h"
@@ skipping 179 matching lines @@
     if (event->type() == ui::ET_GESTURE_TAP_DOWN) {
       SetHoverHighlight(true);
     } else if (event->type() == ui::ET_GESTURE_TAP_CANCEL ||
                event->type() == ui::ET_GESTURE_TAP) {
       SetHoverHighlight(false);
     }
   }
   ActionableView::OnGestureEvent(event);
 }
 
+void HoverHighlightView::OnBoundsChanged(const gfx::Rect& previous_bounds) {
+  SetHoverHighlight(IsMouseHovered());
+}
+
 void HoverHighlightView::OnEnabledChanged() {
   for (int i = 0; i < child_count(); ++i)
     child_at(i)->SetEnabled(enabled());
 }
 
 void HoverHighlightView::OnPaintBackground(gfx::Canvas* canvas) {
   canvas->DrawColor(hover_ ? highlight_color_ : default_color_);
 }
 
 void HoverHighlightView::OnFocus() {
   ScrollRectToVisible(gfx::Rect(gfx::Point(), size()));
   ActionableView::OnFocus();
 }
 
 }  // namespace ash