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Side by Side Diff: ui/gfx/frame_time.h

Issue 864943002: Replaces instances of the deprecated TimeTicks::HighResNow() with TimeTicks::Now(). (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 5 years, 11 months ago
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1 // Copyright 2013 The Chromium Authors. All rights reserved. 1 // Copyright 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 #ifndef UI_GFX_FRAME_TIME_H 5 #ifndef UI_GFX_FRAME_TIME_H
6 #define UI_GFX_FRAME_TIME_H 6 #define UI_GFX_FRAME_TIME_H
7 7
8 #include "base/time/time.h" 8 #include "base/time/time.h"
9 #include "base/logging.h" 9 #include "base/logging.h"
10 10
11 namespace gfx { 11 namespace gfx {
12 12
13 // FrameTime::Now() should be used to get timestamps with a timebase that 13 // FrameTime::Now() should be used to get timestamps with a timebase that
14 // is consistent across the graphics stack. 14 // is consistent across the graphics stack.
15 class FrameTime { 15 class FrameTime {
16 public: 16 public:
17 static base::TimeTicks Now() { 17 static base::TimeTicks Now() {
18 if (TimestampsAreHighRes())
19 return base::TimeTicks::HighResNow();
20 return base::TimeTicks::Now(); 18 return base::TimeTicks::Now();
21 } 19 }
22 20
23 #if defined(OS_WIN) 21 #if defined(OS_WIN)
24 static base::TimeTicks FromQPCValue(LONGLONG qpc_value) { 22 static base::TimeTicks FromQPCValue(LONGLONG qpc_value) {
25 DCHECK(TimestampsAreHighRes()); 23 DCHECK(TimestampsAreHighRes());
26 return base::TimeTicks::FromQPCValue(qpc_value); 24 return base::TimeTicks::FromQPCValue(qpc_value);
27 } 25 }
28 #endif 26 #endif
29 27
30 static bool TimestampsAreHighRes() { 28 static bool TimestampsAreHighRes() {
31 #if defined(OS_WIN) 29 #if defined(OS_WIN)
32 return base::TimeTicks::IsHighResClockWorking(); 30 return base::TimeTicks::IsHighResClockWorking();
33 #else 31 #else
34 return false; 32 return false;
35 #endif 33 #endif
36 } 34 }
37 }; 35 };
38 36
39 } 37 }
40 38
41 #endif // UI_GFX_FRAME_TIME_H 39 #endif // UI_GFX_FRAME_TIME_H
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