Standardize usage of virtual/override/final in mojo/

mojo/services/html_viewer/html_viewer.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/macros.h"
 #include "base/message_loop/message_loop.h"
 #include "base/threading/thread.h"
 #include "mojo/application/application_runner_chromium.h"
 #include "mojo/public/c/system/main.h"
 #include "mojo/public/cpp/application/application_connection.h"
@@ skipping 18 matching lines @@
 class HTMLViewer;
 
 class ContentHandlerImpl : public InterfaceImpl<ContentHandler> {
  public:
   ContentHandlerImpl(Shell* shell,
                      scoped_refptr<base::MessageLoopProxy> compositor_thread,
                      WebMediaPlayerFactory* web_media_player_factory)
       : shell_(shell),
         compositor_thread_(compositor_thread),
         web_media_player_factory_(web_media_player_factory) {}
-  virtual ~ContentHandlerImpl() {}
+  ~ContentHandlerImpl() override {}
 
  private:
   // Overridden from ContentHandler:
-  virtual void OnConnect(
+  void OnConnect(
       const mojo::String& requestor_url,
       URLResponsePtr response,
       InterfaceRequest<ServiceProvider> service_provider_request) override {
     new HTMLDocumentView(response.Pass(),
                          service_provider_request.Pass(),
                          shell_,
                          compositor_thread_,
                          web_media_player_factory_);
   }
 
   Shell* shell_;
   scoped_refptr<base::MessageLoopProxy> compositor_thread_;
   WebMediaPlayerFactory* web_media_player_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ContentHandlerImpl);
 };
 
 class HTMLViewer : public ApplicationDelegate,
                    public InterfaceFactory<ContentHandler> {
  public:
   HTMLViewer() : compositor_thread_("compositor thread") {}
 
-  virtual ~HTMLViewer() { blink::shutdown(); }
+  ~HTMLViewer() override { blink::shutdown(); }
 
  private:
   // Overridden from ApplicationDelegate:
-  virtual void Initialize(ApplicationImpl* app) override {
+  void Initialize(ApplicationImpl* app) override {
     shell_ = app->shell();
     blink_platform_impl_.reset(new BlinkPlatformImpl(app));
     blink::initialize(blink_platform_impl_.get());
 #if !defined(COMPONENT_BUILD)
   base::i18n::InitializeICU();
 
   ui::RegisterPathProvider();
 
   base::FilePath ui_test_pak_path;
   CHECK(PathService::Get(ui::UI_TEST_PAK, &ui_test_pak_path));
   ui::ResourceBundle::InitSharedInstanceWithPakPath(ui_test_pak_path);
 #endif
 
     compositor_thread_.Start();
     web_media_player_factory_.reset(new WebMediaPlayerFactory(
         compositor_thread_.message_loop_proxy()));
   }
 
-  virtual bool ConfigureIncomingConnection(ApplicationConnection* connection)
-      override {
+  bool ConfigureIncomingConnection(ApplicationConnection* connection) override {
     connection->AddService(this);
     return true;
   }
 
   // Overridden from InterfaceFactory<ContentHandler>
-  virtual void Create(ApplicationConnection* connection,
-                      InterfaceRequest<ContentHandler> request) override {
+  void Create(ApplicationConnection* connection,
+              InterfaceRequest<ContentHandler> request) override {
     BindToRequest(
         new ContentHandlerImpl(shell_, compositor_thread_.message_loop_proxy(),
                                web_media_player_factory_.get()),
         &request);
   }
 
   scoped_ptr<BlinkPlatformImpl> blink_platform_impl_;
   Shell* shell_;
   base::Thread compositor_thread_;
   scoped_ptr<WebMediaPlayerFactory> web_media_player_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(HTMLViewer);
 };
 
 }  // namespace mojo
 
 MojoResult MojoMain(MojoHandle shell_handle) {
   mojo::ApplicationRunnerChromium runner(new mojo::HTMLViewer);
   return runner.Run(shell_handle);
 }