content: Depict priority in raster worker thread's name.

content/renderer/raster_worker_pool.h

Index: content/renderer/raster_worker_pool.h
diff --git a/content/renderer/raster_worker_pool.h b/content/renderer/raster_worker_pool.h
index b4ddf9a61c251e6f759400ccff94266941a2f604..73776acda5e7ad15a632742b82821d14b8ea4849 100644
--- a/content/renderer/raster_worker_pool.h
+++ b/content/renderer/raster_worker_pool.h
@@ -94,6 +94,11 @@ class CONTENT_EXPORT RasterWorkerPool : public base::TaskRunner,
     DISALLOW_COPY_AND_ASSIGN(ClosureTask);
   };
 
+  void CreateAndStartRasterWorkerPoolThread(
+      const base::SimpleThread::Options& thread_options,
+      const std::vector<cc::TaskCategory>& categories,
+      base::ConditionVariable* has_ready_to_run_tasks_cv);
+
   void ScheduleTasksWithLockAcquired(cc::NamespaceToken token,
                                      cc::TaskGraph* graph);
   void CollectCompletedTasksWithLockAcquired(cc::NamespaceToken token,