Standardize usage of virtual/override/final specifiers.

content/browser/renderer_host/compositor_resize_lock_aura.h

 // 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.
 
 #ifndef CONTENT_BROWSER_RENDERER_HOST_COMPOSITOR_RESIZE_LOCK_AURA_H_
 #define CONTENT_BROWSER_RENDERER_HOST_COMPOSITOR_RESIZE_LOCK_AURA_H_
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/time/time.h"
 #include "content/browser/compositor/resize_lock.h"
 
 namespace aura {
 class WindowTreeHost;
 }
 namespace ui {
 class CompositorLock;
 }
 
 namespace content {
 
 // Used to prevent further resizes while a resize is pending.
 class CompositorResizeLock : public ResizeLock {
  public:
   CompositorResizeLock(aura::WindowTreeHost* host,
                        const gfx::Size new_size,
                        bool defer_compositor_lock,
                        const base::TimeDelta& timeout);
-  virtual ~CompositorResizeLock();
+  ~CompositorResizeLock() override;
 
-  virtual bool GrabDeferredLock() override;
-  virtual void UnlockCompositor() override;
+  bool GrabDeferredLock() override;
+  void UnlockCompositor() override;
 
  protected:
-  virtual void LockCompositor() override;
+  void LockCompositor() override;
   void CancelLock();
 
  private:
   aura::WindowTreeHost* host_;
   scoped_refptr<ui::CompositorLock> compositor_lock_;
   bool cancelled_;
 
   base::WeakPtrFactory<CompositorResizeLock> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(CompositorResizeLock);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_COMPOSITOR_RESIZE_LOCK_AURA_H_