replace OVERRIDE and FINAL with override and final in ash/

ash/system/chromeos/network/tray_sms.cc

Index: ash/system/chromeos/network/tray_sms.cc
diff --git a/ash/system/chromeos/network/tray_sms.cc b/ash/system/chromeos/network/tray_sms.cc
index 86295eb0b568c9718639794dc880265ab19f2e6e..a6b782ec429a48d5ec48ed99461a3960e8e4fb1f 100644
--- a/ash/system/chromeos/network/tray_sms.cc
+++ b/ash/system/chromeos/network/tray_sms.cc
@@ -115,7 +115,7 @@ class TraySms::SmsMessageView : public views::View,
 
   // Overridden from ButtonListener.
   virtual void ButtonPressed(views::Button* sender,
-                             const ui::Event& event) OVERRIDE {
+                             const ui::Event& event) override {
     owner_->RemoveMessage(index_);
     owner_->Update(false);
   }
@@ -200,7 +200,7 @@ class TraySms::SmsDetailedView : public TrayDetailsView,
   }
 
   // Overridden from views::View.
-  virtual gfx::Size GetPreferredSize() const OVERRIDE {
+  virtual gfx::Size GetPreferredSize() const override {
     gfx::Size preferred_size = TrayDetailsView::GetPreferredSize();
     if (preferred_size.height() < kMessageListMinHeight)
       preferred_size.set_height(kMessageListMinHeight);
@@ -232,7 +232,7 @@ class TraySms::SmsDetailedView : public TrayDetailsView,
   }
 
   // Overridden from ViewClickListener.
-  virtual void OnViewClicked(views::View* sender) OVERRIDE {
+  virtual void OnViewClicked(views::View* sender) override {
     if (sender == footer()->content())
       TransitionToDefaultView();
   }
@@ -263,11 +263,11 @@ class TraySms::SmsNotificationView : public TrayNotificationView {
   }
 
   // Overridden from TrayNotificationView:
-  virtual void OnClose() OVERRIDE {
+  virtual void OnClose() override {
     tray_sms()->RemoveMessage(message_index_);
   }
 
-  virtual void OnClickAction() OVERRIDE {
+  virtual void OnClickAction() override {
     owner()->PopupDetailedView(0, true);
   }