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

content/browser/renderer_host/input/synthetic_smooth_scroll_gesture.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_RENDERER_HOST_INPUT_SYNTHETIC_SMOOTH_SCROLL_GESTURE_H_
 #define CONTENT_BROWSER_RENDERER_HOST_INPUT_SYNTHETIC_SMOOTH_SCROLL_GESTURE_H_
 
 #include "base/time/time.h"
 #include "content/browser/renderer_host/input/synthetic_gesture.h"
 #include "content/browser/renderer_host/input/synthetic_gesture_target.h"
@@ skipping 10 matching lines @@
 // gestures (i.e. when synthesizing touch events, the touch pointer is not
 // lifted when changing scroll direction).
 // If no distance is provided or the first one is 0, no touch events are
 // generated.
 // When synthesizing touch events, the first distance is extended to compensate
 // for the touch slop.
 class CONTENT_EXPORT SyntheticSmoothScrollGesture : public SyntheticGesture {
  public:
   explicit SyntheticSmoothScrollGesture(
       const SyntheticSmoothScrollGestureParams& params);
-  virtual ~SyntheticSmoothScrollGesture();
+  ~SyntheticSmoothScrollGesture() override;
 
-  virtual SyntheticGesture::Result ForwardInputEvents(
+  SyntheticGesture::Result ForwardInputEvents(
       const base::TimeTicks& timestamp,
       SyntheticGestureTarget* target) override;
 
  private:
   enum GestureState {
     SETUP,
     STARTED,
     MOVING,
     STOPPING,
     DONE
@@ skipping 38 matching lines @@
   int current_scroll_segment_;
   base::TimeTicks current_scroll_segment_start_time_;
   base::TimeTicks current_scroll_segment_stop_time_;
 
   DISALLOW_COPY_AND_ASSIGN(SyntheticSmoothScrollGesture);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_INPUT_SYNTHETIC_SMOOTH_SCROLL_GESTURE_H_