Remove unnecessary Border subclasses where we can achieve the same functionality

ui/views/controls/button/text_button.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_CONTROLS_BUTTON_TEXT_BUTTON_H_
 #define UI_VIEWS_CONTROLS_BUTTON_TEXT_BUTTON_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
@@ skipping 12 matching lines @@
 // A Border subclass for TextButtons that allows configurable insets for the
 // button.
 class VIEWS_EXPORT TextButtonBorder : public Border {
  public:
   TextButtonBorder();
   virtual ~TextButtonBorder();
 
   void SetInsets(const gfx::Insets& insets);
 
   // Border:
+  virtual void Paint(const View& view, gfx::Canvas* canvas) OVERRIDE;
   virtual gfx::Insets GetInsets() const OVERRIDE;
 
  private:
   // Border:
   virtual TextButtonBorder* AsTextButtonBorder() OVERRIDE;
   virtual const TextButtonBorder* AsTextButtonBorder() const OVERRIDE;
 
   gfx::Insets insets_;
 
   DISALLOW_COPY_AND_ASSIGN(TextButtonBorder);
@@ skipping 324 matching lines @@
   // True if the button should ignore the minimum size for the platform. Default
   // is true. Set to false to prevent narrower buttons.
   bool ignore_minimum_size_;
 
   DISALLOW_COPY_AND_ASSIGN(TextButton);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_BUTTON_TEXT_BUTTON_H_