Add VectorIconButton functionality to ImageButton.

chrome/browser/ui/views/location_bar/zoom_bubble_view.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_LOCATION_BAR_ZOOM_BUBBLE_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_ZOOM_BUBBLE_VIEW_H_
 
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "base/timer/timer.h"
 #include "chrome/browser/ui/views/frame/immersive_mode_controller.h"
 #include "chrome/browser/ui/views/location_bar/location_bar_bubble_delegate_view.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "extensions/browser/extension_icon_image.h"
-#include "ui/views/controls/button/button.h"
+#include "ui/views/controls/button/image_button.h"
 #include "ui/views/controls/label.h"
 
 namespace content {
 class WebContents;
 }
 
-namespace views {
-class ImageButton;
-}  // namespace views
-
 // View used to display the zoom percentage when it has changed.
 class ZoomBubbleView : public LocationBarBubbleDelegateView,
-                       public views::ButtonListener,
+                       public views::ImageButtonDelegate,
                        public ImmersiveModeController::Observer,
                        public extensions::IconImage::Observer {
  public:
   // Shows the bubble and automatically closes it after a short time period if
   // |reason| is AUTOMATIC.
   static void ShowBubble(content::WebContents* web_contents,
                          DisplayReason reason);
 
   // Closes the showing bubble (if one exists).
   static void CloseCurrentBubble();
@@ skipping 31 matching lines @@
   ~ZoomBubbleView() override;
 
   // LocationBarBubbleDelegateView:
   void OnGestureEvent(ui::GestureEvent* event) override;
   void OnMouseEntered(const ui::MouseEvent& event) override;
   void OnMouseExited(const ui::MouseEvent& event) override;
   void Init() override;
   void WindowClosing() override;
   void CloseBubble() override;
 
-  // views::ButtonListener:
+  // views::ImageButtonDelegate:
   void ButtonPressed(views::Button* sender, const ui::Event& event) override;
 
   // ImmersiveModeController::Observer:
   void OnImmersiveRevealStarted() override;
   void OnImmersiveModeControllerDestroyed() override;
 
   // extensions::IconImage::Observer:
   void OnExtensionIconImageChanged(extensions::IconImage* /* image */) override;
 
   // Refreshes the bubble by changing the zoom percentage appropriately and
@@ skipping 37 matching lines @@
 
   // The immersive mode controller for the BrowserView containing
   // |web_contents_|.
   // Not owned.
   ImmersiveModeController* immersive_mode_controller_;
 
   DISALLOW_COPY_AND_ASSIGN(ZoomBubbleView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_ZOOM_BUBBLE_VIEW_H_