Update scoped_ptr references to be unique_ptr in src/base comments.

base/task_scheduler/sequence_unittest.cc

 // Copyright 2016 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 "base/task_scheduler/sequence.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/macros.h"
@@ skipping 44 matching lines @@
 
  protected:
   // Tasks to be handed off to a Sequence for testing.
   std::unique_ptr<Task> task_a_owned_;
   std::unique_ptr<Task> task_b_owned_;
   std::unique_ptr<Task> task_c_owned_;
   std::unique_ptr<Task> task_d_owned_;
   std::unique_ptr<Task> task_e_owned_;
 
   // Raw pointers to those same tasks for verification. This is needed because
-  // the scoped_ptrs above no longer point to the tasks once they have been
+  // the unique_ptrs above no longer point to the tasks once they have been
   // moved into a Sequence.
   const Task* task_a_;
   const Task* task_b_;
   const Task* task_c_;
   const Task* task_d_;
   const Task* task_e_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(TaskSchedulerSequenceTest);
 };
@@ skipping 141 matching lines @@
 }
 
 // Verify that a DCHECK fires if TakeTask() is called on an empty sequence.
 TEST_F(TaskSchedulerSequenceTest, TakeEmptySequence) {
   scoped_refptr<Sequence> sequence(new Sequence);
   EXPECT_DCHECK_DEATH({ sequence->TakeTask(); });
 }
 
 }  // namespace internal
 }  // namespace base