Add VectorIconButton functionality to ImageButton.

chrome/browser/ui/views/extensions/extension_install_dialog_view.h

 // Copyright 2014 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 CHROME_BROWSER_UI_VIEWS_EXTENSIONS_EXTENSION_INSTALL_DIALOG_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_EXTENSIONS_EXTENSION_INSTALL_DIALOG_VIEW_H_
 
 #include "base/macros.h"
 #include "chrome/browser/extensions/extension_install_prompt.h"
 #include "ui/gfx/animation/animation_delegate.h"
 #include "ui/gfx/animation/slide_animation.h"
-#include "ui/views/controls/button/button.h"
+#include "ui/views/controls/button/image_button.h"
 #include "ui/views/controls/link_listener.h"
 #include "ui/views/view.h"
 #include "ui/views/window/dialog_delegate.h"
 
 typedef std::vector<base::string16> PermissionDetails;
 class Profile;
 
 namespace content {
 class PageNavigator;
 }
 
 namespace extensions {
 class ExperienceSamplingEvent;
 }
 
 namespace ui {
 class ResourceBundle;
 }
 
 namespace views {
 class GridLayout;
-class ImageButton;
 class Link;
 }
 
 // Implements the extension installation dialog for TOOLKIT_VIEWS.
 class ExtensionInstallDialogView : public views::DialogDelegateView,
                                    public views::LinkListener {
  public:
   ExtensionInstallDialogView(
       Profile* profile,
       content::PageNavigator* navigator,
@@ skipping 74 matching lines @@
 // layout.
 class BulletedView : public views::View {
  public:
   explicit BulletedView(views::View* view);
  private:
   DISALLOW_COPY_AND_ASSIGN(BulletedView);
 };
 
 // A view to display text with an expandable details section.
 class ExpandableContainerView : public views::View,
-                                public views::ButtonListener,
+                                public views::ImageButtonDelegate,
                                 public views::LinkListener,
                                 public gfx::AnimationDelegate {
  public:
   ExpandableContainerView(const PermissionDetails& details,
                           int horizontal_space,
                           bool parent_bulleted);
   ~ExpandableContainerView() override;
 
   // views::View:
   void ChildPreferredSizeChanged(views::View* child) override;
 
-  // views::ButtonListener:
+  // views::ImageButtonDelegate:
   void ButtonPressed(views::Button* sender, const ui::Event& event) override;
 
   // views::LinkListener:
   void LinkClicked(views::Link* source, int event_flags) override;
 
   // gfx::AnimationDelegate:
   void AnimationProgressed(const gfx::Animation* animation) override;
   void AnimationEnded(const gfx::Animation* animation) override;
 
  private:
@@ skipping 37 matching lines @@
   // on whether the details section is expanded).
   views::ImageButton* arrow_toggle_;
 
   // Whether the details section is expanded.
   bool expanded_;
 
   DISALLOW_COPY_AND_ASSIGN(ExpandableContainerView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_EXTENSIONS_EXTENSION_INSTALL_DIALOG_VIEW_H_