Standardize usage of virtual/override/final in remoting/

remoting/base/plugin_thread_task_runner.h

 // Copyright (c) 2012 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 REMOTING_BASE_PLUGIN_THREAD_TASK_RUNNER_H_
 #define REMOTING_BASE_PLUGIN_THREAD_TASK_RUNNER_H_
 
 #include <set>
 
 #include "base/callback_forward.h"
@@ skipping 28 matching lines @@
   // This method must be called on the plugin thread.
   void DetachAndRunShutdownLoop();
 
   // Makes DetachAndRunShutdownLoop() stop processing tasks and return control
   // to the caller. Calling Quit() before DetachAndRunShutdownLoop() causes
   // the latter to exit immediately when called, without processing any delayed
   // shutdown tasks. This method can be called from any thread.
   void Quit();
 
   // base::SingleThreadTaskRunner interface.
-  virtual bool PostDelayedTask(
-      const tracked_objects::Location& from_here,
-      const base::Closure& task,
-      base::TimeDelta delay) override;
-  virtual bool PostNonNestableDelayedTask(
-      const tracked_objects::Location& from_here,
-      const base::Closure& task,
-      base::TimeDelta delay) override;
-  virtual bool RunsTasksOnCurrentThread() const override;
+  bool PostDelayedTask(const tracked_objects::Location& from_here,
+                       const base::Closure& task,
+                       base::TimeDelta delay) override;
+  bool PostNonNestableDelayedTask(const tracked_objects::Location& from_here,
+                                  const base::Closure& task,
+                                  base::TimeDelta delay) override;
+  bool RunsTasksOnCurrentThread() const override;
 
  protected:
-  virtual ~PluginThreadTaskRunner();
+  ~PluginThreadTaskRunner() override;
 
  private:
   // Methods that can be called from any thread.
 
   // Schedules RunTasks to be called on the plugin thread.
   void PostRunTasks();
 
   // Methods that are always called on the plugin thread.
 
   // Schedules RunDelayedTasks() to be called on the plugin thread. |when|
@@ skipping 48 matching lines @@
 
   // True if the shutdown task loop was been stopped.
   bool stopped_;
 
   DISALLOW_COPY_AND_ASSIGN(PluginThreadTaskRunner);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_BASE_PLUGIN_THREAD_TASK_RUNNER_H_