Index: components/scheduler/base/task_queue_manager.h |
diff --git a/components/scheduler/base/task_queue_manager.h b/components/scheduler/base/task_queue_manager.h |
index 1e9eef4d2819447ae41d96387b56857ee5519f91..bb938ada00286dd6c7bcbb6261d5f8bfcb2c8530 100644 |
--- a/components/scheduler/base/task_queue_manager.h |
+++ b/components/scheduler/base/task_queue_manager.h |
@@ -38,6 +38,7 @@ class LazyNow; |
class RealTimeDomain; |
class TimeDomain; |
class TaskQueueManagerDelegate; |
+class TaskTimeTracker; |
// The task queue manager provides N task queues and a selector interface for |
// choosing which task queue to service next. Each task queue consists of two |
@@ -82,6 +83,13 @@ class SCHEDULER_EXPORT TaskQueueManager |
// tasks posted to the main loop. The batch size is 1 by default. |
void SetWorkBatchSize(int work_batch_size); |
+ // When given a non-null TaskTimeTracker, the TaskQueueManager calls its |
+ // ReportTaskTime method for every top level task. The task_time_tracker must |
+ // outlive this object, or be removed via SetTaskTimeTracker(nullptr). |
+ void SetTaskTimeTracker(TaskTimeTracker* task_time_tracker) { |
+ task_time_tracker_ = task_time_tracker; |
+ } |
+ |
// These functions can only be called on the same thread that the task queue |
// manager executes its tasks on. |
void AddTaskObserver(base::MessageLoop::TaskObserver* task_observer); |
@@ -167,7 +175,8 @@ class SCHEDULER_EXPORT TaskQueueManager |
// run and |should_trigger_wakeup|. Call with an empty |previous_task| if no |
// task was just run. |
void UpdateWorkQueues(bool should_trigger_wakeup, |
- const internal::TaskQueueImpl::Task* previous_task); |
+ const internal::TaskQueueImpl::Task* previous_task, |
+ LazyNow lazy_now); |
// Chooses the next work queue to service. Returns true if |out_queue| |
// indicates the queue from which the next task should be run, false to |
@@ -226,7 +235,7 @@ class SCHEDULER_EXPORT TaskQueueManager |
bool task_was_run_on_quiescence_monitored_queue_; |
- // To reduce locking overhead we track pending calls to DoWork seperatly for |
+ // To reduce locking overhead we track pending calls to DoWork separately for |
// the main thread and other threads. |
std::set<base::TimeTicks> main_thread_pending_wakeups_; |
@@ -239,6 +248,8 @@ class SCHEDULER_EXPORT TaskQueueManager |
base::ObserverList<base::MessageLoop::TaskObserver> task_observers_; |
+ TaskTimeTracker* task_time_tracker_; // NOT OWNED |
+ |
const char* tracing_category_; |
const char* disabled_by_default_tracing_category_; |
const char* disabled_by_default_verbose_tracing_category_; |