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Side by Side Diff: third_party/WebKit/Source/platform/scheduler/renderer/throttled_time_domain.cc

Issue 2583333002: Revert of Dont post delayed DoWork for disabled queues. (Closed)
Patch Set: Created 4 years ago
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1 // Copyright 2016 The Chromium Authors. All rights reserved. 1 // Copyright 2016 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 "platform/scheduler/renderer/throttled_time_domain.h" 5 #include "platform/scheduler/renderer/throttled_time_domain.h"
6 6
7 namespace blink { 7 namespace blink {
8 namespace scheduler { 8 namespace scheduler {
9 9
10 ThrottledTimeDomain::ThrottledTimeDomain(TimeDomain::Observer* observer, 10 ThrottledTimeDomain::ThrottledTimeDomain(TimeDomain::Observer* observer,
11 const char* tracing_category) 11 const char* tracing_category)
12 : RealTimeDomain(observer, tracing_category) {} 12 : RealTimeDomain(observer, tracing_category) {}
13 13
14 ThrottledTimeDomain::~ThrottledTimeDomain() {} 14 ThrottledTimeDomain::~ThrottledTimeDomain() {}
15 15
16 const char* ThrottledTimeDomain::GetName() const { 16 const char* ThrottledTimeDomain::GetName() const {
17 return "ThrottledTimeDomain"; 17 return "ThrottledTimeDomain";
18 } 18 }
19 19
20 void ThrottledTimeDomain::RequestWakeupAt(LazyNow* lazy_now, 20 void ThrottledTimeDomain::RequestWakeup(base::TimeTicks now,
21 base::TimeTicks run_time) { 21 base::TimeDelta delay) {
22 // We assume the owner (i.e. TaskQueueThrottler) will manage wakeups on our 22 // We assume the owner (i.e. TaskQueueThrottler) will manage wakeups on our
23 // behalf. 23 // behalf.
24 } 24 }
25 25
26 void ThrottledTimeDomain::CancelWakeupAt(base::TimeTicks run_time) {
27 // We ignore this because RequestWakeupAt is a NOP.
28 }
29
30 base::Optional<base::TimeDelta> ThrottledTimeDomain::DelayTillNextTask( 26 base::Optional<base::TimeDelta> ThrottledTimeDomain::DelayTillNextTask(
31 LazyNow* lazy_now) { 27 LazyNow* lazy_now) {
32 base::TimeTicks next_run_time; 28 base::TimeTicks next_run_time;
33 if (!NextScheduledRunTime(&next_run_time)) 29 if (!NextScheduledRunTime(&next_run_time))
34 return base::Optional<base::TimeDelta>(); 30 return base::Optional<base::TimeDelta>();
35 31
36 base::TimeTicks now = lazy_now->Now(); 32 base::TimeTicks now = lazy_now->Now();
37 if (now >= next_run_time) 33 if (now >= next_run_time)
38 return base::TimeDelta(); // Makes DoWork post an immediate continuation. 34 return base::TimeDelta(); // Makes DoWork post an immediate continuation.
39 35
40 // Unlike RealTimeDomain::ContinuationNeeded we don't request a wake up here, 36 // Unlike RealTimeDomain::ContinuationNeeded we don't request a wake up here,
41 // we assume the owner (i.e. TaskQueueThrottler) will manage wakeups on our 37 // we assume the owner (i.e. TaskQueueThrottler) will manage wakeups on our
42 // behalf. 38 // behalf.
43 return base::Optional<base::TimeDelta>(); 39 return base::Optional<base::TimeDelta>();
44 } 40 }
45 41
46 } // namespace scheduler 42 } // namespace scheduler
47 } // namespace blink 43 } // namespace blink
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