Add ability to theme our buttons....

views/controls/button/image_button.h

 // Copyright (c) 2006-2008 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 VIEWS_CONTROLS_BUTTON_IMAGE_BUTTON_H_
 #define VIEWS_CONTROLS_BUTTON_IMAGE_BUTTON_H_
 
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "views/controls/button/custom_button.h"
 
 namespace views {
 
 // An image button.
 class ImageButton : public CustomButton {
  public:
   explicit ImageButton(ButtonListener* listener);
   virtual ~ImageButton();
 
   // Set the image the button should use for the provided state.
   virtual void SetImage(ButtonState aState, SkBitmap* anImage);
 
+  // Set the background details.
+  virtual void SetBackground(SkColor color, SkBitmap* image, SkBitmap* mask);
+
   enum HorizontalAlignment { ALIGN_LEFT = 0,
                              ALIGN_CENTER,
                              ALIGN_RIGHT, };
 
   enum VerticalAlignment { ALIGN_TOP = 0,
                            ALIGN_MIDDLE,
                            ALIGN_BOTTOM };
 
   // Sets how the image is laid out within the button's bounds.
   void SetImageAlignment(HorizontalAlignment h_align,
                          VerticalAlignment v_align);
 
   // Overridden from View:
   virtual gfx::Size GetPreferredSize();
   virtual void Paint(gfx::Canvas* canvas);
 
  protected:
   // Returns the image to paint. This is invoked from paint and returns a value
   // from images.
   virtual SkBitmap GetImageToPaint();
 
   // The images used to render the different states of this button.
   SkBitmap images_[BS_COUNT];
 
+  // The background image.
+  SkBitmap* background_image_;
+
  private:
   // Image alignment.
   HorizontalAlignment h_alignment_;
   VerticalAlignment v_alignment_;
 
   DISALLOW_COPY_AND_ASSIGN(ImageButton);
 };
 
 ////////////////////////////////////////////////////////////////////////////////
 //
@@ skipping 36 matching lines @@
   // The parent class's tooltip_text_ is displayed when not toggled, and
   // this one is shown when toggled.
   std::wstring toggled_tooltip_text_;
 
   DISALLOW_EVIL_CONSTRUCTORS(ToggleImageButton);
 };
 
 }  // namespace views
 
 #endif  // VIEWS_CONTROLS_BUTTON_IMAGE_BUTTON_H_