Cleanup legacy flags and switches

ui/base/animation/tween.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 UI_BASE_ANIMATION_TWEEN_H_
 #define UI_BASE_ANIMATION_TWEEN_H_
 
 #include "base/basictypes.h"
 #include "ui/base/ui_export.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/transform.h"
 
 namespace ui {
 
 class UI_EXPORT Tween {
  public:
   enum Type {
     LINEAR,        // Linear.
     EASE_OUT,      // Fast in, slow out (default).
-    EASE_OUT_2,    // Variant of EASE_OUT, that starts out slower.
-    EASE_OUT_3,    // Variant of EASE_OUT_2, that starts out slower.
     EASE_IN,       // Slow in, fast out.
     EASE_IN_2,     // Variant of EASE_IN that starts out slower.
     EASE_IN_OUT,   // Slow in and out, fast in the middle.
     FAST_IN_OUT,   // Fast in and out, slow in the middle.
     EASE_OUT_SNAP, // Fast in, slow out, snap to final value.
     SMOOTH_IN_OUT, // Smooth, consistent speeds in and out (sine wave).
     ZERO,          // Returns a value of 0 always.
   };
 
   // Returns the value based on the tween type. |state| is from 0-1.
@@ skipping 12 matching lines @@
  private:
   Tween();
   ~Tween();
 
   DISALLOW_COPY_AND_ASSIGN(Tween);
 };
 
 }  // namespace ui
 
 #endif  // UI_BASE_ANIMATION_TWEEN_H_