Standardize usage of virtual/override/final in media/

media/mojo/services/mojo_renderer_service.cc

Index: media/mojo/services/mojo_renderer_service.cc
diff --git a/media/mojo/services/mojo_renderer_service.cc b/media/mojo/services/mojo_renderer_service.cc
index b4557b8b90e808b4fa9074e82046007b6eb19fd1..2f1625c907b68929bca264668a8c5554599671c9 100644
--- a/media/mojo/services/mojo_renderer_service.cc
+++ b/media/mojo/services/mojo_renderer_service.cc
@@ -27,16 +27,15 @@ class MojoRendererApplication
       public mojo::InterfaceFactory<mojo::MediaRenderer> {
  public:
   // mojo::ApplicationDelegate implementation.
-  virtual bool ConfigureIncomingConnection(
+  bool ConfigureIncomingConnection(
       mojo::ApplicationConnection* connection) override {
     connection->AddService(this);
     return true;
   }
 
   // mojo::InterfaceFactory<mojo::MediaRenderer> implementation.
-  virtual void Create(
-      mojo::ApplicationConnection* connection,
-      mojo::InterfaceRequest<mojo::MediaRenderer> request) override {
+  void Create(mojo::ApplicationConnection* connection,
+              mojo::InterfaceRequest<mojo::MediaRenderer> request) override {
     mojo::BindToRequest(new MojoRendererService(connection), &request);
   }
 };