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1 // Copyright 2017 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 namespace content { | |
6 | |
7 // Note that this enum is used to back an UMA histogram, so it should be | |
8 // treated as append-only. | |
9 enum UmaNavigationType { | |
10 NAVIGATION_TYPE_NONE, | |
11 FORWARD_TOUCHPAD, | |
12 BACK_TOUCHPAD, | |
13 FORWARD_TOUCHSCREEN, | |
14 BACK_TOUCHSCREEN, | |
15 NAVIGATION_TYPE_COUNT, | |
16 }; | |
17 | |
18 } // namespace content | |
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