C++11 override style change for athena

athena/wm/split_view_controller.cc

Index: athena/wm/split_view_controller.cc
diff --git a/athena/wm/split_view_controller.cc b/athena/wm/split_view_controller.cc
index 6d3374358ab13e8130e1e1eef5371d1e6ad96c71..d95825a83505f0c81079e372a46953950e7538ca 100644
--- a/athena/wm/split_view_controller.cc
+++ b/athena/wm/split_view_controller.cc
@@ -58,7 +58,7 @@ class StaticViewTargeterDelegate : public views::ViewTargeterDelegate {
  public:
   explicit StaticViewTargeterDelegate(views::View* target) : target_(target) {}
 
-  virtual ~StaticViewTargeterDelegate() {}
+  ~StaticViewTargeterDelegate() override {}
 
  private:
   // views::ViewTargeterDelegate:
@@ -87,13 +87,13 @@ class PriorityWindowTargeter : public aura::WindowTargeter,
     window_->AddObserver(this);
   }
 
-  virtual ~PriorityWindowTargeter() {
+  ~PriorityWindowTargeter() override {
     window_->RemoveObserver(this);
   }
 
  private:
   // aura::WindowTargeter:
-  virtual ui::EventTarget* FindTargetForLocatedEvent(
+  ui::EventTarget* FindTargetForLocatedEvent(
       ui::EventTarget* root,
       ui::LocatedEvent* event) override {
     if (!window_ || (event->type() != ui::ET_TOUCH_PRESSED))
@@ -130,7 +130,7 @@ class PriorityWindowTargeter : public aura::WindowTargeter,
   }
 
   // aura::WindowObserver:
-  virtual void OnWindowDestroying(aura::Window* window) override {
+  void OnWindowDestroying(aura::Window* window) override {
     DCHECK_EQ(window, window_);
     window_->RemoveObserver(this);
     window_ = NULL;