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

content/renderer/render_widget_fullscreen_pepper.cc

Index: content/renderer/render_widget_fullscreen_pepper.cc
diff --git a/content/renderer/render_widget_fullscreen_pepper.cc b/content/renderer/render_widget_fullscreen_pepper.cc
index d78498af2216b0432f34725abc27ca92fec3ae22..f58304ef1dfffa90d2d3928d6fb004b9b85ed78e 100644
--- a/content/renderer/render_widget_fullscreen_pepper.cc
+++ b/content/renderer/render_widget_fullscreen_pepper.cc
@@ -50,12 +50,12 @@ namespace {
 class FullscreenMouseLockDispatcher : public MouseLockDispatcher {
  public:
   explicit FullscreenMouseLockDispatcher(RenderWidgetFullscreenPepper* widget);
-  virtual ~FullscreenMouseLockDispatcher();
+  ~FullscreenMouseLockDispatcher() override;
 
  private:
   // MouseLockDispatcher implementation.
-  virtual void SendLockMouseRequest(bool unlocked_by_target) override;
-  virtual void SendUnlockMouseRequest() override;
+  void SendLockMouseRequest(bool unlocked_by_target) override;
+  void SendUnlockMouseRequest() override;
 
   RenderWidgetFullscreenPepper* widget_;