NOT FOR REVIEW - convert to cc animation

chrome/browser/android/vr_shell/ui_elements/button.h

 // Copyright 2017 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_ANDROID_VR_SHELL_UI_ELEMENTS_BUTTON_H_
 #define CHROME_BROWSER_ANDROID_VR_SHELL_UI_ELEMENTS_BUTTON_H_
 
 #include <memory>
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "chrome/browser/android/vr_shell/ui_elements/textured_element.h"
 
 namespace gfx {
 class PointF;
 }  // gfx
 
 namespace vr_shell {
 
 class ButtonTexture;
 
 class Button : public TexturedElement {
  public:
-  explicit Button(base::Callback<void()> click_handler,
+  explicit Button(int id,
+                  base::Callback<void()> click_handler,
                   std::unique_ptr<ButtonTexture> texture);
   ~Button() override;
 
   void OnHoverLeave() override;
   void OnHoverEnter(const gfx::PointF& position) override;
   void OnMove(const gfx::PointF& position) override;
   void OnButtonDown(const gfx::PointF& position) override;
   void OnButtonUp(const gfx::PointF& position) override;
   bool HitTest(const gfx::PointF& point) const override;
 
  private:
   UiTexture* GetTexture() const override;
   void OnStateUpdated(const gfx::PointF& position);
 
   std::unique_ptr<ButtonTexture> texture_;
   bool down_ = false;
   base::Callback<void()> click_handler_;
 
   DISALLOW_COPY_AND_ASSIGN(Button);
 };
 
 }  // namespace vr_shell
 
 #endif  // CHROME_BROWSER_ANDROID_VR_SHELL_UI_ELEMENTS_BUTTON_H_