base: Remove auto raw pointer deduction.

base/threading/worker_pool.cc

Index: base/threading/worker_pool.cc
diff --git a/base/threading/worker_pool.cc b/base/threading/worker_pool.cc
index 9d2b3bafce9885694a9edc1fea2b9e9489ddbe6c..d47037d79a057201009db9b890557c0400a76715 100644
--- a/base/threading/worker_pool.cc
+++ b/base/threading/worker_pool.cc
@@ -118,7 +118,7 @@ bool WorkerPool::PostTaskAndReply(const tracked_objects::Location& from_here,
 // static
 const scoped_refptr<TaskRunner>&
 WorkerPool::GetTaskRunner(bool tasks_are_slow) {
-  static auto task_runner_holder = new TaskRunnerHolder();
+  static auto* task_runner_holder = new TaskRunnerHolder();
   return task_runner_holder->taskrunners_[tasks_are_slow];
 }