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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "media/midi/midi_manager.h" | 5 #include "media/midi/midi_manager.h" |
6 | 6 |
7 #include "base/bind.h" | 7 #include "base/bind.h" |
8 #include "base/location.h" | 8 #include "base/location.h" |
9 #include "base/metrics/histogram_macros.h" | 9 #include "base/metrics/histogram_macros.h" |
10 #include "base/single_thread_task_runner.h" | 10 #include "base/single_thread_task_runner.h" |
11 #include "base/threading/thread_task_runner_handle.h" | 11 #include "base/threading/thread_task_runner_handle.h" |
12 #include "base/trace_event/trace_event.h" | 12 #include "base/trace_event/trace_event.h" |
13 #include "build/build_config.h" | 13 #include "build/build_config.h" |
14 | 14 |
15 namespace midi { | 15 namespace midi { |
16 | 16 |
17 namespace { | 17 namespace { |
18 | 18 |
19 using Sample = base::HistogramBase::Sample; | 19 using Sample = base::HistogramBase::Sample; |
| 20 using midi::mojom::Result; |
20 | 21 |
21 // If many users have more devices, this number will be increased. | 22 // If many users have more devices, this number will be increased. |
22 // But the number is expected to be big enough for now. | 23 // But the number is expected to be big enough for now. |
23 const Sample kMaxUmaDevices = 31; | 24 const Sample kMaxUmaDevices = 31; |
24 | 25 |
25 // Used to count events for usage histogram. | 26 // Used to count events for usage histogram. |
26 enum class Usage { | 27 enum class Usage { |
27 CREATED, | 28 CREATED, |
28 CREATED_ON_UNSUPPORTED_PLATFORMS, | 29 CREATED_ON_UNSUPPORTED_PLATFORMS, |
29 SESSION_STARTED, | 30 SESSION_STARTED, |
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266 Finalize(); | 267 Finalize(); |
267 base::AutoLock auto_lock(lock_); | 268 base::AutoLock auto_lock(lock_); |
268 finalized_ = true; | 269 finalized_ = true; |
269 | 270 |
270 // Detach all clients so that they do not call MidiManager methods any more. | 271 // Detach all clients so that they do not call MidiManager methods any more. |
271 for (auto* client : clients_) | 272 for (auto* client : clients_) |
272 client->Detach(); | 273 client->Detach(); |
273 } | 274 } |
274 | 275 |
275 } // namespace midi | 276 } // namespace midi |
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