[scheduler] Move task alignment into WakeUpBudgetPool.

third_party/WebKit/Source/platform/scheduler/renderer/task_queue_throttler.cc

Index: third_party/WebKit/Source/platform/scheduler/renderer/task_queue_throttler.cc
diff --git a/third_party/WebKit/Source/platform/scheduler/renderer/task_queue_throttler.cc b/third_party/WebKit/Source/platform/scheduler/renderer/task_queue_throttler.cc
index dd0baccae90a392aa8645b2f108509f75e8368fb..bb680986e5ce0d613753be1e5b0de6401dea6c74 100644
--- a/third_party/WebKit/Source/platform/scheduler/renderer/task_queue_throttler.cc
+++ b/third_party/WebKit/Source/platform/scheduler/renderer/task_queue_throttler.cc
@@ -202,6 +202,7 @@ void TaskQueueThrottler::OnQueueNextWakeUpChanged(
     return;
 
   base::TimeTicks now = tick_clock_->NowTicks();
+  next_wake_up = std::max(now, next_wake_up);
 
   auto find_it = queue_details_.find(queue);
   if (find_it == queue_details_.end())
@@ -250,8 +251,11 @@ void TaskQueueThrottler::MaybeSchedulePumpThrottledTasks(
   if (!allow_throttling_)
     return;
 
+  // TODO(altimin): Consider removing alignment here.

[Z_DONOTUSE, 2017/05/23 19:31:46]

Ditto. 

   base::TimeTicks runtime =
-      AlignedThrottledRunTime(std::max(now, unaligned_runtime));
+      std::max(now, unaligned_runtime)
+          .SnappedToNextTick(base::TimeTicks(),
+                             base::TimeDelta::FromSeconds(1));
   DCHECK_LE(now, runtime);
 
   // If there is a pending call to PumpThrottledTasks and it's sooner than