Fixing focus highlight on high DPI devices for accessibility

ui/views/focus_border.h

 // Copyright (c) 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.
 
 #ifndef UI_VIEWS_FOCUS_BORDER_H_
 #define UI_VIEWS_FOCUS_BORDER_H_
 
+#include "third_party/skia/include/core/SkColor.h"
+#include "ui/gfx/insets.h"
 #include "ui/views/views_export.h"
 #include "base/basictypes.h"
 
 namespace gfx {
 class Canvas;
 }
 
 namespace views {
 class View;
 
 ////////////////////////////////////////////////////////////////////////////////
 //
 // Focus border class.
 //
 // The focus border class is used to display an indication of focus on a view.
 // To set a focus border on a view, call SetFocusBorder on the view.  Once set
 // on a view, the focus border is owned by the view.
 //
 ////////////////////////////////////////////////////////////////////////////////
 
 class VIEWS_EXPORT FocusBorder {
  public:
   virtual ~FocusBorder();
 
   // Creates the default inset dashed line focus border.
   static FocusBorder* CreateDashedFocusBorder();
   static FocusBorder* CreateDashedFocusBorder(
       int left, int top, int right, int bottom);
 
+  // Creates a focus border with a given |inset| and |focus_color| which is one
+  // pixel thick.
+  static FocusBorder* CreateSolidFocusBorder(
+      SkColor focus_color, const gfx::Insets& insets);
+
   // Renders the focus border for the specified view.
   virtual void Paint(const View& view, gfx::Canvas* canvas) const = 0;
 
  protected:
   FocusBorder();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(FocusBorder);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_FOCUS_BORDER_H_