C++11 override style change for athena

athena/home/home_card_gesture_manager_unittest.cc

Index: athena/home/home_card_gesture_manager_unittest.cc
diff --git a/athena/home/home_card_gesture_manager_unittest.cc b/athena/home/home_card_gesture_manager_unittest.cc
index 3769250e545087be1375675beb23a7ab8a42f2ef..91e42e1bb20cec4c6ec872dcb3d776d9248fbc7d 100644
--- a/athena/home/home_card_gesture_manager_unittest.cc
+++ b/athena/home/home_card_gesture_manager_unittest.cc
@@ -25,10 +25,10 @@ class HomeCardGestureManagerTest : public test::AthenaTestBase,
         last_y_(0),
         progress_count_(0),
         end_count_(0) {}
-  virtual ~HomeCardGestureManagerTest() {}
+  ~HomeCardGestureManagerTest() override {}
 
   // testing::Test:
-  virtual void SetUp() override {
+  void SetUp() override {
     test::AthenaTestBase::SetUp();
     gesture_manager_.reset(new HomeCardGestureManager(this, screen_bounds()));
   }
@@ -96,14 +96,14 @@ class HomeCardGestureManagerTest : public test::AthenaTestBase,
   }
 
   // HomeCardGestureManager::Delegate:
-  virtual void OnGestureEnded(HomeCard::State final_state,
+  void OnGestureEnded(HomeCard::State final_state,
                               bool is_fling) override {
     final_state_ = final_state;
     was_fling_ = is_fling;
     ++end_count_;
   }
 
-  virtual void OnGestureProgressed(HomeCard::State from_state,
+  void OnGestureProgressed(HomeCard::State from_state,
                                    HomeCard::State to_state,
                                    float progress) override {
     last_from_state_ = from_state;