Adjust window timings to match Cole's video.

ash/animation_timings.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 ASH_ANIMATION_TIMINGS_H_
+#define ASH_ANIMATION_TIMINGS_H_
+#pragma once
+
+namespace ash {
+
+// All timings in ms.
+
+const int kStandardTransitionDuration = 218;
+
+// Roughly 0.5x standard.
+const int kFastTransitionDuration = 130;
+
+// Roughly 2x standard.
+const int kSlowTransitionDuration = 414;
+
+}  // namespace ash
+
+#endif  // ASH_ANIMATION_TIMINGS_H_