Do not inherit TaskPriority in TaskTraits.

base/task_scheduler/task_unittest.cc

Index: base/task_scheduler/task_unittest.cc
diff --git a/base/task_scheduler/task_unittest.cc b/base/task_scheduler/task_unittest.cc
index fb076d761bea261f68d378bc428aa373c7290bc8..c1941e469d47493709ad5b8ef54c747a3a53cd03 100644
--- a/base/task_scheduler/task_unittest.cc
+++ b/base/task_scheduler/task_unittest.cc
@@ -7,6 +7,7 @@
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/task_scheduler/task_traits.h"
+#include "base/task_scheduler/test_utils.h"
 #include "base/time/time.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ -18,23 +19,23 @@ namespace internal {
 // should not change.
 TEST(TaskSchedulerTaskTest, ShutdownBehaviorChangeWithDelay) {
   Task continue_on_shutdown(FROM_HERE, BindOnce(&DoNothing),
-                            TaskTraits().WithShutdownBehavior(
+                            test::CreateTaskTraits().WithShutdownBehavior(
                                 TaskShutdownBehavior::CONTINUE_ON_SHUTDOWN),
                             TimeDelta::FromSeconds(1));
   EXPECT_EQ(TaskShutdownBehavior::CONTINUE_ON_SHUTDOWN,
             continue_on_shutdown.traits.shutdown_behavior());
 
-  Task skip_on_shutdown(
-      FROM_HERE, BindOnce(&DoNothing),
-      TaskTraits().WithShutdownBehavior(TaskShutdownBehavior::SKIP_ON_SHUTDOWN),
-      TimeDelta::FromSeconds(1));
+  Task skip_on_shutdown(FROM_HERE, BindOnce(&DoNothing),
+                        test::CreateTaskTraits().WithShutdownBehavior(
+                            TaskShutdownBehavior::SKIP_ON_SHUTDOWN),
+                        TimeDelta::FromSeconds(1));
   EXPECT_EQ(TaskShutdownBehavior::SKIP_ON_SHUTDOWN,
             skip_on_shutdown.traits.shutdown_behavior());
 
-  Task block_shutdown(
-      FROM_HERE, BindOnce(&DoNothing),
-      TaskTraits().WithShutdownBehavior(TaskShutdownBehavior::BLOCK_SHUTDOWN),
-      TimeDelta::FromSeconds(1));
+  Task block_shutdown(FROM_HERE, BindOnce(&DoNothing),
+                      test::CreateTaskTraits().WithShutdownBehavior(
+                          TaskShutdownBehavior::BLOCK_SHUTDOWN),
+                      TimeDelta::FromSeconds(1));
   EXPECT_EQ(TaskShutdownBehavior::SKIP_ON_SHUTDOWN,
             block_shutdown.traits.shutdown_behavior());
 }
@@ -42,23 +43,23 @@ TEST(TaskSchedulerTaskTest, ShutdownBehaviorChangeWithDelay) {
 // Verify that the shutdown behavior of undelayed tasks is not adjusted.
 TEST(TaskSchedulerTaskTest, NoShutdownBehaviorChangeNoDelay) {
   Task continue_on_shutdown(FROM_HERE, BindOnce(&DoNothing),
-                            TaskTraits().WithShutdownBehavior(
+                            test::CreateTaskTraits().WithShutdownBehavior(
                                 TaskShutdownBehavior::CONTINUE_ON_SHUTDOWN),
                             TimeDelta());
   EXPECT_EQ(TaskShutdownBehavior::CONTINUE_ON_SHUTDOWN,
             continue_on_shutdown.traits.shutdown_behavior());
 
-  Task skip_on_shutdown(
-      FROM_HERE, BindOnce(&DoNothing),
-      TaskTraits().WithShutdownBehavior(TaskShutdownBehavior::SKIP_ON_SHUTDOWN),
-      TimeDelta());
+  Task skip_on_shutdown(FROM_HERE, BindOnce(&DoNothing),
+                        test::CreateTaskTraits().WithShutdownBehavior(
+                            TaskShutdownBehavior::SKIP_ON_SHUTDOWN),
+                        TimeDelta());
   EXPECT_EQ(TaskShutdownBehavior::SKIP_ON_SHUTDOWN,
             skip_on_shutdown.traits.shutdown_behavior());
 
-  Task block_shutdown(
-      FROM_HERE, BindOnce(&DoNothing),
-      TaskTraits().WithShutdownBehavior(TaskShutdownBehavior::BLOCK_SHUTDOWN),
-      TimeDelta());
+  Task block_shutdown(FROM_HERE, BindOnce(&DoNothing),
+                      test::CreateTaskTraits().WithShutdownBehavior(
+                          TaskShutdownBehavior::BLOCK_SHUTDOWN),
+                      TimeDelta());
   EXPECT_EQ(TaskShutdownBehavior::BLOCK_SHUTDOWN,
             block_shutdown.traits.shutdown_behavior());
 }