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

chrome/browser/media_galleries/media_galleries_permission_controller.h

Index: chrome/browser/media_galleries/media_galleries_permission_controller.h
diff --git a/chrome/browser/media_galleries/media_galleries_permission_controller.h b/chrome/browser/media_galleries/media_galleries_permission_controller.h
index 46bedbf7531b5d9b75bba14e3c69e189fc4e48c8..f23205e3ff22eb5e95042a892df77fcfc2a85944 100644
--- a/chrome/browser/media_galleries/media_galleries_permission_controller.h
+++ b/chrome/browser/media_galleries/media_galleries_permission_controller.h
@@ -55,23 +55,22 @@ class MediaGalleriesPermissionController
                                      const base::Closure& on_finish);
 
   // MediaGalleriesDialogController implementation.
-  virtual base::string16 GetHeader() const override;
-  virtual base::string16 GetSubtext() const override;
-  virtual bool IsAcceptAllowed() const override;
-  virtual bool ShouldShowFolderViewer(const Entry& entry) const override;
-  virtual std::vector<base::string16> GetSectionHeaders() const override;
-  virtual Entries GetSectionEntries(size_t index) const override;
+  base::string16 GetHeader() const override;
+  base::string16 GetSubtext() const override;
+  bool IsAcceptAllowed() const override;
+  bool ShouldShowFolderViewer(const Entry& entry) const override;
+  std::vector<base::string16> GetSectionHeaders() const override;
+  Entries GetSectionEntries(size_t index) const override;
   // Auxiliary button for this dialog is the 'Add Folder' button.
-  virtual base::string16 GetAuxiliaryButtonText() const override;
-  virtual void DidClickAuxiliaryButton() override;
-  virtual void DidToggleEntry(GalleryDialogId gallery_id,
-                              bool selected) override;
-  virtual void DidClickOpenFolderViewer(GalleryDialogId gallery_id) override;
-  virtual void DidForgetEntry(GalleryDialogId gallery_id) override;
-  virtual base::string16 GetAcceptButtonText() const override;
-  virtual void DialogFinished(bool accepted) override;
-  virtual ui::MenuModel* GetContextMenu(GalleryDialogId gallery_id) override;
-  virtual content::WebContents* WebContents() override;
+  base::string16 GetAuxiliaryButtonText() const override;
+  void DidClickAuxiliaryButton() override;
+  void DidToggleEntry(GalleryDialogId gallery_id, bool selected) override;
+  void DidClickOpenFolderViewer(GalleryDialogId gallery_id) override;
+  void DidForgetEntry(GalleryDialogId gallery_id) override;
+  base::string16 GetAcceptButtonText() const override;
+  void DialogFinished(bool accepted) override;
+  ui::MenuModel* GetContextMenu(GalleryDialogId gallery_id) override;
+  content::WebContents* WebContents() override;
 
  protected:
   friend class MediaGalleriesPermissionControllerTest;
@@ -86,7 +85,7 @@ class MediaGalleriesPermissionController
       const CreateDialogCallback& create_dialog_callback,
       const base::Closure& on_finish);
 
-  virtual ~MediaGalleriesPermissionController();
+  ~MediaGalleriesPermissionController() override;
 
  private:
   // This type keeps track of media galleries already known to the prefs system.
@@ -112,31 +111,31 @@ class MediaGalleriesPermissionController
   void OnPreferencesInitialized();
 
   // SelectFileDialog::Listener implementation:
-  virtual void FileSelected(const base::FilePath& path,
-                            int index,
-                            void* params) override;
+  void FileSelected(const base::FilePath& path,
+                    int index,
+                    void* params) override;
 
   // RemovableStorageObserver implementation.
   // Used to keep dialog in sync with removable device status.
-  virtual void OnRemovableStorageAttached(
+  void OnRemovableStorageAttached(
       const storage_monitor::StorageInfo& info) override;
-  virtual void OnRemovableStorageDetached(
+  void OnRemovableStorageDetached(
       const storage_monitor::StorageInfo& info) override;
 
   // MediaGalleriesPreferences::GalleryChangeObserver implementations.
   // Used to keep the dialog in sync when the preferences change.
-  virtual void OnPermissionAdded(MediaGalleriesPreferences* pref,
-                                 const std::string& extension_id,
-                                 MediaGalleryPrefId pref_id) override;
-  virtual void OnPermissionRemoved(MediaGalleriesPreferences* pref,
-                                   const std::string& extension_id,
-                                   MediaGalleryPrefId pref_id) override;
-  virtual void OnGalleryAdded(MediaGalleriesPreferences* pref,
-                              MediaGalleryPrefId pref_id) override;
-  virtual void OnGalleryRemoved(MediaGalleriesPreferences* pref,
-                                MediaGalleryPrefId pref_id) override;
-  virtual void OnGalleryInfoUpdated(MediaGalleriesPreferences* pref,
-                                    MediaGalleryPrefId pref_id) override;
+  void OnPermissionAdded(MediaGalleriesPreferences* pref,
+                         const std::string& extension_id,
+                         MediaGalleryPrefId pref_id) override;
+  void OnPermissionRemoved(MediaGalleriesPreferences* pref,
+                           const std::string& extension_id,
+                           MediaGalleryPrefId pref_id) override;
+  void OnGalleryAdded(MediaGalleriesPreferences* pref,
+                      MediaGalleryPrefId pref_id) override;
+  void OnGalleryRemoved(MediaGalleriesPreferences* pref,
+                        MediaGalleryPrefId pref_id) override;
+  void OnGalleryInfoUpdated(MediaGalleriesPreferences* pref,
+                            MediaGalleryPrefId pref_id) override;
 
   // Populates |known_galleries_| from |preferences_|. Subsequent calls merge
   // into |known_galleries_| and do not change permissions for user toggled