Standardize usage of virtual/override/final in content/browser/

content/browser/dom_storage/dom_storage_task_runner.h

 // Copyright 2013 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.
 
 #ifndef CONTENT_BROWSER_DOM_STORAGE_DOM_STORAGE_TASK_RUNNER_
 #define CONTENT_BROWSER_DOM_STORAGE_DOM_STORAGE_TASK_RUNNER_
 
 #include "base/memory/ref_counted.h"
 #include "base/sequenced_task_runner.h"
 #include "base/threading/sequenced_worker_pool.h"
@@ skipping 31 matching lines @@
       base::TimeDelta delay) = 0;
 
   // Posts a shutdown blocking task to |sequence_id|.
   virtual bool PostShutdownBlockingTask(
       const tracked_objects::Location& from_here,
       SequenceID sequence_id,
       const base::Closure& task) = 0;
 
   // The TaskRunner override returns true if the current thread is running
   // on the primary sequence.
-  virtual bool RunsTasksOnCurrentThread() const override;
+  bool RunsTasksOnCurrentThread() const override;
 
   // Returns true if the current thread is running on the given |sequence_id|.
   virtual bool IsRunningOnSequence(SequenceID sequence_id) const = 0;
   bool IsRunningOnPrimarySequence() const {
     return IsRunningOnSequence(PRIMARY_SEQUENCE);
   }
   bool IsRunningOnCommitSequence() const {
     return IsRunningOnSequence(COMMIT_SEQUENCE);
   }
 
  protected:
-  virtual ~DOMStorageTaskRunner() {}
+  ~DOMStorageTaskRunner() override {}
 };
 
 // A derived class used in chromium that utilizes a SequenceWorkerPool
 // under dom_storage specific SequenceTokens. The |delayed_task_loop|
 // is used to delay scheduling on the worker pool.
 class CONTENT_EXPORT DOMStorageWorkerPoolTaskRunner :
       public DOMStorageTaskRunner {
  public:
   DOMStorageWorkerPoolTaskRunner(
       base::SequencedWorkerPool* sequenced_worker_pool,
       base::SequencedWorkerPool::SequenceToken primary_sequence_token,
       base::SequencedWorkerPool::SequenceToken commit_sequence_token,
       base::MessageLoopProxy* delayed_task_loop);
 
-  virtual bool PostDelayedTask(
-      const tracked_objects::Location& from_here,
-      const base::Closure& task,
-      base::TimeDelta delay) override;
+  bool PostDelayedTask(const tracked_objects::Location& from_here,
+                       const base::Closure& task,
+                       base::TimeDelta delay) override;
 
-  virtual bool PostShutdownBlockingTask(
-      const tracked_objects::Location& from_here,
-      SequenceID sequence_id,
-      const base::Closure& task) override;
+  bool PostShutdownBlockingTask(const tracked_objects::Location& from_here,
+                                SequenceID sequence_id,
+                                const base::Closure& task) override;
 
-  virtual bool IsRunningOnSequence(SequenceID sequence_id) const override;
+  bool IsRunningOnSequence(SequenceID sequence_id) const override;
 
  protected:
-  virtual ~DOMStorageWorkerPoolTaskRunner();
+  ~DOMStorageWorkerPoolTaskRunner() override;
 
  private:
 
   base::SequencedWorkerPool::SequenceToken IDtoToken(SequenceID id) const;
 
   const scoped_refptr<base::MessageLoopProxy> message_loop_;
   const scoped_refptr<base::SequencedWorkerPool> sequenced_worker_pool_;
   base::SequencedWorkerPool::SequenceToken primary_sequence_token_;
   base::SequencedWorkerPool::SequenceToken commit_sequence_token_;
 };
 
 // A derived class used in unit tests that ignores all delays so
 // we don't block in unit tests waiting for timeouts to expire.
 // There is no distinction between [non]-shutdown-blocking or
 // the primary sequence vs the commit sequence in the mock,
 // all tasks are scheduled on |message_loop| with zero delay.
 class CONTENT_EXPORT MockDOMStorageTaskRunner :
       public DOMStorageTaskRunner {
  public:
   explicit MockDOMStorageTaskRunner(base::MessageLoopProxy* message_loop);
 
-  virtual bool PostDelayedTask(
-      const tracked_objects::Location& from_here,
-      const base::Closure& task,
-      base::TimeDelta delay) override;
+  bool PostDelayedTask(const tracked_objects::Location& from_here,
+                       const base::Closure& task,
+                       base::TimeDelta delay) override;
 
-  virtual bool PostShutdownBlockingTask(
-      const tracked_objects::Location& from_here,
-      SequenceID sequence_id,
-      const base::Closure& task) override;
+  bool PostShutdownBlockingTask(const tracked_objects::Location& from_here,
+                                SequenceID sequence_id,
+                                const base::Closure& task) override;
 
-  virtual bool IsRunningOnSequence(SequenceID sequence_id) const override;
+  bool IsRunningOnSequence(SequenceID sequence_id) const override;
 
  protected:
-  virtual ~MockDOMStorageTaskRunner();
+  ~MockDOMStorageTaskRunner() override;
 
  private:
   const scoped_refptr<base::MessageLoopProxy> message_loop_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DOM_STORAGE_DOM_STORAGE_TASK_RUNNER_