Share tray constants in network icon code.

ui/gfx/vector_icons/network_vpn.1x.icon

Index: ui/gfx/vector_icons/network_vpn.1x.icon
diff --git a/ui/gfx/vector_icons/network_vpn.1x.icon b/ui/gfx/vector_icons/network_vpn.1x.icon
deleted file mode 100644
index f5716302d0b54d308c52604cd691fc3133fe1dad..0000000000000000000000000000000000000000
--- a/ui/gfx/vector_icons/network_vpn.1x.icon
+++ /dev/null
@@ -1,25 +0,0 @@
-// Copyright 2016 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, 6.36f, 5,
-CUBIC_TO, 3.96f, 5, 2, 7.02f, 2, 9.5f,
-CUBIC_TO, 2, 11.98f, 3.96f, 14, 6.36f, 14,
-R_CUBIC_TO, 1.9f, 0, 3.51f, -1.25f, 4.11f, -3,
-H_LINE_TO, 13.5f,
-R_V_LINE_TO, 3,
-R_H_LINE_TO, 3,
-R_V_LINE_TO, -3,
-H_LINE_TO, 18,
-V_LINE_TO, 8,
-R_H_LINE_TO, -7.53f,
-R_CUBIC_TO, -0.6f, -1.75f, -2.21f, -3, -4.11f, -3,
-CLOSE,
-R_MOVE_TO, 0, 6,
-R_CUBIC_TO, -0.8f, 0, -1.45f, -0.67f, -1.45f, -1.5f,
-CUBIC_TO_SHORTHAND, 5.56f, 8, 6.36f, 8,
-R_CUBIC_TO, 0.8f, 0, 1.45f, 0.68f, 1.45f, 1.5f,
-CUBIC_TO_SHORTHAND, 7.16f, 11, 6.36f, 11,
-CLOSE,
-END