Domain Reliability: Don't crash on shutdown with uploads pending

components/domain_reliability/dispatcher.h

Index: components/domain_reliability/dispatcher.h
diff --git a/components/domain_reliability/dispatcher.h b/components/domain_reliability/dispatcher.h
index 41cb511123b7a080e210c081d4fa85edcb8195a8..b65d404f57b253eb81ce212f7b3957d2e6eac977 100644
--- a/components/domain_reliability/dispatcher.h
+++ b/components/domain_reliability/dispatcher.h
@@ -35,9 +35,15 @@ class DOMAIN_RELIABILITY_EXPORT DomainReliabilityDispatcher {
                     base::TimeDelta min_delay,
                     base::TimeDelta max_delay);
 
-  // Runs all tasks whose minimum delay has already passed.
+  // Runs all existing tasks whose minimum delay has already passed. Does not
+  // run tasks added by those existing tasks, even if their minimum delay has
+  // already passed.
   void RunEligibleTasks();
 
+  // Runs all waiting or eligible tasks, regardless of whether their minimum
+  // delay has passed.
+  void RunAllTasksForTesting();
+
  private:
   struct Task;