[Night Light] CL2: Ash and system tray work

ash/resources/vector_icons/system_menu_night_light_off.1x.icon

+// 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.
+
+CANVAS_DIMENSIONS, 20,
+MOVE_TO, 17.15f, 13.59f,
+LINE_TO, 9.44f, 5.88f,
+R_CUBIC_TO, 0.7f, -0.72f, 1.57f, -1.27f, 2.56f, -1.59f,
+R_CUBIC_TO, -0.59f, -0.19f, -1.23f, -0.29f, -1.88f, -0.29f,
+R_CUBIC_TO, -0.76f, 0, -1.49f, 0.14f, -2.17f, 0.39f,
+LINE_TO, 6.41f, 2.85f,
+CUBIC_TO, 7.49f, 2.31f, 8.71f, 2, 10, 2,
+R_CUBIC_TO, 4.42f, 0, 8, 3.58f, 8, 8,
+R_CUBIC_TO, 0, 1.29f, -0.31f, 2.51f, -0.85f, 3.59f,
+CLOSE,
+R_MOVE_TO, -1.78f, 2.34f,
+CUBIC_TO, 13.95f, 17.22f, 12.06f, 18, 10, 18,
+R_CUBIC_TO, -4.42f, 0, -8, -3.58f, -8, -8,
+R_CUBIC_TO, 0, -2.06f, 0.78f, -3.95f, 2.07f, -5.37f,
+R_LINE_TO, 1.43f, 1.43f,
+CUBIC_TO, 4.57f, 7.12f, 4, 8.49f, 4, 10,
+R_CUBIC_TO, 0, 3.31f, 2.74f, 6, 6.12f, 6,
+R_CUBIC_TO, 0.66f, 0, 1.29f, -0.1f, 1.88f, -0.29f,
+R_CUBIC_TO, -2.46f, -0.78f, -4.24f, -3.04f, -4.24f, -5.71f,
+R_CUBIC_TO, 0, -0.51f, 0.07f, -1.01f, 0.19f, -1.49f,
+R_LINE_TO, 7.41f, 7.42f,
+CLOSE,
+MOVE_TO, 2.5f, 3.06f,
+LINE_TO, 3.56f, 2,
+R_LINE_TO, 14.31f, 14.31f,
+R_LINE_TO, -1.06f, 1.06f,
+LINE_TO, 2.5f, 3.06f,
+CLOSE,
+END