Plumb Task Scheduler Histograms to the Task Scheduler Internals Page

base/task_scheduler/scheduler_worker_pool_impl.h

Index: base/task_scheduler/scheduler_worker_pool_impl.h
diff --git a/base/task_scheduler/scheduler_worker_pool_impl.h b/base/task_scheduler/scheduler_worker_pool_impl.h
index a621f797a53473b2096170a07689e456d5c3f2de..ace86470e1b4d671f7245332b76392f1b8b412d2 100644
--- a/base/task_scheduler/scheduler_worker_pool_impl.h
+++ b/base/task_scheduler/scheduler_worker_pool_impl.h
@@ -98,6 +98,8 @@ class BASE_EXPORT SchedulerWorkerPoolImpl : public SchedulerWorkerPool {
     return num_tasks_between_waits_histogram_;
   }
 
+  void ReportHistograms(std::vector<const HistogramBase*>* histograms) const;

[gab, 2016/10/18 14:28:48]

This isn't "reporting" histograms (i.e. sending to to UMA), it's "getting"
histograms IMO and since TaskScheduler already uses GetHistograms, it seems
natural to use this here as well.

[robliao, 2016/10/18 20:40:25]

Done.

+
  private:
   class SchedulerSingleThreadTaskRunner;
   class SchedulerWorkerDelegateImpl;