Panels: Adding 3-step animation on minimize on Linux

chrome/browser/ui/panels/panel_browser_view.h

Index: chrome/browser/ui/panels/panel_browser_view.h
diff --git a/chrome/browser/ui/panels/panel_browser_view.h b/chrome/browser/ui/panels/panel_browser_view.h
index 77ea51724f32246066348ad19120e6b4df40e413..c095fe8f6c6d9320b9f146beba9d90e06858d5e1 100644
--- a/chrome/browser/ui/panels/panel_browser_view.h
+++ b/chrome/browser/ui/panels/panel_browser_view.h
@@ -12,28 +12,12 @@
 #include "chrome/browser/ui/panels/native_panel.h"
 #include "chrome/browser/ui/views/frame/browser_view.h"
 #include "ui/base/animation/animation_delegate.h"
-#include "ui/base/animation/slide_animation.h"
 
 class Browser;
 class Panel;
 class NativePanelTestingWin;
 class PanelBrowserFrameView;
-
-class PanelSlideAnimation : public ui::SlideAnimation {
- public:
-  PanelSlideAnimation(ui::AnimationDelegate* target,
-                       bool for_minimize,
-                       double animation_stop_to_show_titlebar)
-    : ui::SlideAnimation(target),
-      for_minimize_(for_minimize),
-      animation_stop_to_show_titlebar_(animation_stop_to_show_titlebar) { }
-  virtual ~PanelSlideAnimation() { }
-  virtual double GetCurrentValue() const OVERRIDE;
-
- private:
-  bool for_minimize_;
-  double animation_stop_to_show_titlebar_;
-};
+class PanelSlideAnimation;
 
 // A browser view that implements Panel specific behavior.
 class PanelBrowserView : public BrowserView,