C++11 override style change for athena

athena/content/web_activity.h

Index: athena/content/web_activity.h
diff --git a/athena/content/web_activity.h b/athena/content/web_activity.h
index 8dc7b0a29952613a7c3fe2966e5b67352cfd3c33..7a15d12ed10dc47fa206e9bc73c7f23b57c2b758 100644
--- a/athena/content/web_activity.h
+++ b/athena/content/web_activity.h
@@ -46,38 +46,37 @@ class WebActivity : public Activity,
   explicit WebActivity(content::WebContents* contents);
 
  protected:
-  virtual ~WebActivity();
+  ~WebActivity() override;
 
  // Activity:
-  virtual athena::ActivityViewModel* GetActivityViewModel() override;
-  virtual void SetCurrentState(ActivityState state) override;
-  virtual ActivityState GetCurrentState() override;
-  virtual bool IsVisible() override;
-  virtual ActivityMediaState GetMediaState() override;
-  virtual aura::Window* GetWindow() override;
-  virtual content::WebContents* GetWebContents() override;
+  athena::ActivityViewModel* GetActivityViewModel() override;
+  void SetCurrentState(ActivityState state) override;
+  ActivityState GetCurrentState() override;
+  bool IsVisible() override;
+  ActivityMediaState GetMediaState() override;
+  aura::Window* GetWindow() override;
+  content::WebContents* GetWebContents() override;
 
   // ActivityViewModel:
-  virtual void Init() override;
-  virtual SkColor GetRepresentativeColor() const override;
-  virtual base::string16 GetTitle() const override;
-  virtual gfx::ImageSkia GetIcon() const override;
-  virtual bool UsesFrame() const override;
-  virtual views::View* GetContentsView() override;
-  virtual views::Widget* CreateWidget() override;
-  virtual gfx::ImageSkia GetOverviewModeImage() override;
-  virtual void PrepareContentsForOverview() override;
-  virtual void ResetContentsView() override;
+  void Init() override;
+  SkColor GetRepresentativeColor() const override;
+  base::string16 GetTitle() const override;
+  gfx::ImageSkia GetIcon() const override;
+  bool UsesFrame() const override;
+  views::View* GetContentsView() override;
+  views::Widget* CreateWidget() override;
+  gfx::ImageSkia GetOverviewModeImage() override;
+  void PrepareContentsForOverview() override;
+  void ResetContentsView() override;
 
   // content::WebContentsObserver:
-  virtual void DidNavigateMainFrame(
+  void DidNavigateMainFrame(
       const content::LoadCommittedDetails& details,
       const content::FrameNavigateParams& params) override;
-  virtual void TitleWasSet(content::NavigationEntry* entry,
-                           bool explicit_set) override;
-  virtual void DidUpdateFaviconURL(
+  void TitleWasSet(content::NavigationEntry* entry, bool explicit_set) override;
+  void DidUpdateFaviconURL(
       const std::vector<content::FaviconURL>& candidates) override;
-  virtual void DidChangeThemeColor(SkColor theme_color) override;
+  void DidChangeThemeColor(SkColor theme_color) override;
 
  private:
   // Called when a favicon download initiated in DidUpdateFaviconURL()