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

content/browser/renderer_host/input/touchpad_tap_suppression_controller.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_TOUCHPAD_TAP_SUPPRESSION_CONTROLLER_H_
 #define CONTENT_BROWSER_RENDERER_HOST_INPUT_TOUCHPAD_TAP_SUPPRESSION_CONTROLLER_H_
 
 #include "content/browser/renderer_host/event_with_latency_info.h"
 #include "content/browser/renderer_host/input/tap_suppression_controller.h"
 #include "content/browser/renderer_host/input/tap_suppression_controller_client.h"
@@ skipping 12 matching lines @@
 };
 
 // Controls the suppression of touchpad taps immediately following the dispatch
 // of a GestureFlingCancel event.
 class TouchpadTapSuppressionController : public TapSuppressionControllerClient {
  public:
   // The |client| must outlive the TouchpadTapSupressionController.
   TouchpadTapSuppressionController(
       TouchpadTapSuppressionControllerClient* client,
       const TapSuppressionController::Config& config);
-  virtual ~TouchpadTapSuppressionController();
+  ~TouchpadTapSuppressionController() override;
 
   // Should be called on arrival of GestureFlingCancel events.
   void GestureFlingCancel();
 
   // Should be called on arrival of ACK for a GestureFlingCancel event.
   // |processed| is true if the GestureFlingCancel successfully stopped a fling.
   void GestureFlingCancelAck(bool processed);
 
   // Should be called on arrival of MouseDown events. Returns true if the caller
   // should stop normal handling of the MouseDown. In this case, the caller is
   // responsible for saving the event for later use, if needed.
   bool ShouldDeferMouseDown(const MouseEventWithLatencyInfo& event);
 
   // Should be called on arrival of MouseUp events. Returns true if the caller
   // should stop normal handling of the MouseUp.
   bool ShouldSuppressMouseUp();
 
  private:
   friend class MockRenderWidgetHost;
 
   // TapSuppressionControllerClient implementation.
-  virtual void DropStashedTapDown() override;
-  virtual void ForwardStashedTapDown() override;
+  void DropStashedTapDown() override;
+  void ForwardStashedTapDown() override;
 
   TouchpadTapSuppressionControllerClient* client_;
   MouseEventWithLatencyInfo stashed_mouse_down_;
 
   // The core controller of tap suppression.
   TapSuppressionController controller_;
 
   DISALLOW_COPY_AND_ASSIGN(TouchpadTapSuppressionController);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_INPUT_TOUCHPAD_TAP_SUPPRESSION_CONTROLLER_H_