Add VectorIconButton functionality to ImageButton.

chrome/browser/ui/views/tabs/tab.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 CHROME_BROWSER_UI_VIEWS_TABS_TAB_H_
 #define CHROME_BROWSER_UI_VIEWS_TABS_TAB_H_
 
 #include <list>
 #include <memory>
 #include <string>
 
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "chrome/browser/ui/views/tabs/tab_renderer_data.h"
 #include "ui/base/layout.h"
 #include "ui/gfx/animation/animation_delegate.h"
 #include "ui/gfx/geometry/point.h"
 #include "ui/gfx/image/image_skia.h"
 #include "ui/gfx/paint_throbber.h"
 #include "ui/views/context_menu_controller.h"
-#include "ui/views/controls/button/button.h"
+#include "ui/views/controls/button/image_button.h"
 #include "ui/views/controls/glow_hover_controller.h"
 #include "ui/views/masked_targeter_delegate.h"
 #include "ui/views/view.h"
 
 class AlertIndicatorButton;
 class TabController;
 
 namespace gfx {
 class Animation;
 class AnimationContainer;
 class LinearAnimation;
 class ThrobAnimation;
 }
 namespace views {
-class ImageButton;
 class Label;
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 //
 //  A View that renders a Tab in a TabStrip.
 //
 ///////////////////////////////////////////////////////////////////////////////
 class Tab : public gfx::AnimationDelegate,
-            public views::ButtonListener,
+            public views::ImageButtonDelegate,
             public views::ContextMenuController,
             public views::MaskedTargeterDelegate,
             public views::View {
  public:
   // The Tab's class name.
   static const char kViewClassName[];
 
   // The amount of overlap between two adjacent tabs.
   static constexpr int kOverlap = 16;
 
@@ skipping 119 matching lines @@
   class FaviconCrashAnimation;
 
   class TabCloseButton;
   class ThrobberView;
 
   // gfx::AnimationDelegate:
   void AnimationProgressed(const gfx::Animation* animation) override;
   void AnimationCanceled(const gfx::Animation* animation) override;
   void AnimationEnded(const gfx::Animation* animation) override;
 
-  // views::ButtonListener:
+  // views::ImageButtonDelegate:
   void ButtonPressed(views::Button* sender, const ui::Event& event) override;
 
   // views::ContextMenuController:
   void ShowContextMenuForView(views::View* source,
                               const gfx::Point& point,
                               ui::MenuSourceType source_type) override;
 
   // views::MaskedTargeterDelegate:
   bool GetHitTestMask(gfx::Path* mask) const override;
 
@@ skipping 154 matching lines @@
 
   // The favicon for the tab. This might be the sad tab icon or a copy of
   // data().favicon and may be modified for theming. It is created on demand
   // and thus may be null.
   gfx::ImageSkia favicon_;
 
   DISALLOW_COPY_AND_ASSIGN(Tab);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_TABS_TAB_H_