[Try # 3] Scheduler refactoring to virtually eliminate redundant DoWorks

third_party/WebKit/Source/platform/scheduler/base/work_queue_sets.cc

Index: third_party/WebKit/Source/platform/scheduler/base/work_queue_sets.cc
diff --git a/third_party/WebKit/Source/platform/scheduler/base/work_queue_sets.cc b/third_party/WebKit/Source/platform/scheduler/base/work_queue_sets.cc
index bec08d1125db9d303c2f6487b116b1a017642460..510032e22cdfc845f58a80933f1cad2250b97552 100644
--- a/third_party/WebKit/Source/platform/scheduler/base/work_queue_sets.cc
+++ b/third_party/WebKit/Source/platform/scheduler/base/work_queue_sets.cc
@@ -103,6 +103,18 @@ bool WorkQueueSets::GetOldestQueueInSet(size_t set_index,
   return true;
 }
 
+bool WorkQueueSets::GetOldestQueueAndEnqueueOrderInSet(
+    size_t set_index,
+    WorkQueue** out_work_queue,
+    EnqueueOrder* out_enqueue_order) const {
+  DCHECK_LT(set_index, work_queue_heaps_.size());
+  if (work_queue_heaps_[set_index].empty())
+    return false;
+  *out_work_queue = work_queue_heaps_[set_index].min().value;
+  *out_enqueue_order = work_queue_heaps_[set_index].min().key;
+  return true;
+}
+
 bool WorkQueueSets::IsSetEmpty(size_t set_index) const {
   DCHECK_LT(set_index, work_queue_heaps_.size()) << " set_index = "
                                                  << set_index;