Add VectorIconButton functionality to ImageButton.

ui/views/controls/button/image_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_IMAGE_BUTTON_H_
 #define UI_VIEWS_CONTROLS_BUTTON_IMAGE_BUTTON_H_
 
 #include <memory>
 
 #include "base/gtest_prod_util.h"
@@ skipping 85 matching lines @@
   gfx::ImageSkia images_[STATE_COUNT];
 
   gfx::ImageSkia background_image_;
 
  private:
   FRIEND_TEST_ALL_PREFIXES(ImageButtonTest, Basics);
   FRIEND_TEST_ALL_PREFIXES(ImageButtonTest, ImagePositionWithBorder);
   FRIEND_TEST_ALL_PREFIXES(ImageButtonTest, LeftAlignedMirrored);
   FRIEND_TEST_ALL_PREFIXES(ImageButtonTest, RightAlignedMirrored);
 
+  FRIEND_TEST_ALL_PREFIXES(ImageButtonFactoryTest, CreateVectorImageButton);
+
   // Returns the correct position of the image for painting.
   gfx::Point ComputeImagePaintPosition(const gfx::ImageSkia& image);
 
   // Image alignment.
   HorizontalAlignment h_alignment_;
   VerticalAlignment v_alignment_;
   gfx::Size minimum_image_size_;
 
   // Whether we draw our resources horizontally flipped. This can happen in the
   // linux titlebar, where image resources were designed to be flipped so a
@@ skipping 50 matching lines @@
   // The parent class's tooltip_text_ is displayed when not toggled, and
   // this one is shown when toggled.
   base::string16 toggled_tooltip_text_;
 
   DISALLOW_COPY_AND_ASSIGN(ToggleImageButton);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_BUTTON_IMAGE_BUTTON_H_