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

chrome/browser/content_settings/permission_bubble_request_impl.h

Index: chrome/browser/content_settings/permission_bubble_request_impl.h
diff --git a/chrome/browser/content_settings/permission_bubble_request_impl.h b/chrome/browser/content_settings/permission_bubble_request_impl.h
index c8eece6094e384c7b1eb490b9be9d5cdedd13cd4..caf05b7cc92b1d3713f83a424c7308dc6a8783e4 100644
--- a/chrome/browser/content_settings/permission_bubble_request_impl.h
+++ b/chrome/browser/content_settings/permission_bubble_request_impl.h
@@ -31,23 +31,23 @@ class PermissionBubbleRequestImpl : public PermissionBubbleRequest {
       const PermissionDecidedCallback permission_decided_callback,
       const base::Closure delete_callback);
 
-  virtual ~PermissionBubbleRequestImpl();
+  ~PermissionBubbleRequestImpl() override;
 
   // PermissionBubbleRequest:
-  virtual int GetIconID() const override;
-  virtual base::string16 GetMessageText() const override;
-  virtual base::string16 GetMessageTextFragment() const override;
-  virtual bool HasUserGesture() const override;
+  int GetIconID() const override;
+  base::string16 GetMessageText() const override;
+  base::string16 GetMessageTextFragment() const override;
+  bool HasUserGesture() const override;
 
   // TODO(miguelg) Change this method to GetOrigin()
-  virtual GURL GetRequestingHostname() const override;
+  GURL GetRequestingHostname() const override;
 
   // Remember to call RegisterActionTaken for these methods if you are
   // overriding them.
-  virtual void PermissionGranted() override;
-  virtual void PermissionDenied() override;
-  virtual void Cancelled() override;
-  virtual void RequestFinished() override;
+  void PermissionGranted() override;
+  void PermissionDenied() override;
+  void Cancelled() override;
+  void RequestFinished() override;
 
  protected:
   void RegisterActionTaken() { action_taken_ = true; }