base: Remove some unnecessary const scoped_refptr<>&.

base/test/task_runner_test_template.h

Index: base/test/task_runner_test_template.h
diff --git a/base/test/task_runner_test_template.h b/base/test/task_runner_test_template.h
index cc16469d04622414be7566d17de6892860e268ce..c0d3a128976bf251963454122509ed7e2f307811 100644
--- a/base/test/task_runner_test_template.h
+++ b/base/test/task_runner_test_template.h
@@ -175,9 +175,8 @@ namespace test {
 
 // Calls RunsTasksOnCurrentThread() on |task_runner| and expects it to
 // equal |expected_value|.
-void ExpectRunsTasksOnCurrentThread(
-    bool expected_value,
-    const scoped_refptr<TaskRunner>& task_runner);
+void ExpectRunsTasksOnCurrentThread(bool expected_value,
+                                    TaskRunner* task_runner);
 
 }  // namespace test