Update from https://crrev.com/309717

cc/test/ordered_simple_task_runner_unittest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <string>
 
 #include "base/cancelable_callback.h"
 #include "base/format_macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/stringprintf.h"
@@ skipping 41 matching lines @@
   EXPECT_LT(b, c);
   EXPECT_LT(a2, c);
 }
 
 class OrderedSimpleTaskRunnerTest : public testing::Test {
  public:
   OrderedSimpleTaskRunnerTest()
       : now_src_(TestNowSource::Create(base::TimeTicks())) {
     task_runner_ = new OrderedSimpleTaskRunner(now_src_, true);
   }
-  virtual ~OrderedSimpleTaskRunnerTest() {}
+  ~OrderedSimpleTaskRunnerTest() override {}
 
  protected:
   std::string executed_tasks_;
   scoped_refptr<TestNowSource> now_src_;
   scoped_refptr<OrderedSimpleTaskRunner> task_runner_;
 
   void PostTask(int task_num, base::TimeDelta delay) {
     base::Closure test_task = base::Bind(&OrderedSimpleTaskRunnerTest::Task,
                                          base::Unretained(this),
                                          task_num);
@@ skipping 364 matching lines @@
 
   task_runner_->SetRunTaskLimit(0);
   RUN_AND_CHECK_RESULT(EXPECT_TRUE, RunUntilTime(run_to), "");
 
   task_runner_->SetRunTaskLimit(100);
   RUN_AND_CHECK_RESULT(EXPECT_FALSE, RunUntilTime(run_to), "4(4ms) 5(5ms)");
   EXPECT_EQ(run_to, now_src_->Now());
 }
 
 }  // namespace cc