Update content settings to new vector icon format.

ui/gfx/vector_icons/midi.icon

Index: ui/gfx/vector_icons/midi.icon
diff --git a/ui/gfx/vector_icons/midi.icon b/ui/gfx/vector_icons/midi.icon
deleted file mode 100644
index 10c73a855227ef175c8ae39f178c176f3e268006..0000000000000000000000000000000000000000
--- a/ui/gfx/vector_icons/midi.icon
+++ /dev/null
@@ -1,41 +0,0 @@
-// Copyright 2015 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.
-
-MOVE_TO, 33, 31,
-LINE_TO, 33, 41,
-LINE_TO, 29, 41,
-LINE_TO, 29, 31,
-CUBIC_TO, 27.9f, 31, 27, 30.1f, 27, 29,
-LINE_TO, 27, 7,
-LINE_TO, 35, 7,
-LINE_TO, 35, 29,
-CUBIC_TO, 35, 30.1f, 34.1f, 31, 33, 31,
-CLOSE,
-MOVE_TO, 19, 31,
-LINE_TO, 19, 41,
-LINE_TO, 15, 41,
-LINE_TO, 15, 31,
-CUBIC_TO, 13.9f, 31, 13, 30.1f, 13, 29,
-LINE_TO, 13, 7,
-LINE_TO, 21, 7,
-LINE_TO, 21, 29,
-CUBIC_TO, 21, 30.1f, 20.1f, 31, 19, 31,
-CLOSE,
-MOVE_TO, 40, 4,
-LINE_TO, 8, 4,
-CUBIC_TO, 5.8f, 4, 4, 5.8f, 4, 8,
-LINE_TO, 4, 40,
-CUBIC_TO, 4, 42.2f, 5.8f, 44, 8, 44,
-LINE_TO, 40, 44,
-CUBIC_TO, 42.2f, 44, 44, 42.2f, 44, 40,
-LINE_TO, 44, 8,
-CUBIC_TO, 44, 5.8f, 42.2f, 4, 40, 4,
-CLOSE,
-MOVE_TO, 7, 7,
-LINE_TO, 41, 7,
-LINE_TO, 41, 41,
-LINE_TO, 7, 41,
-LINE_TO, 7, 7,
-CLOSE,
-END