Standardize usage of virtual/override/final in extensions/

extensions/browser/guest_view/guest_view_manager.h

 // 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.
 
 #ifndef EXTENSIONS_BROWSER_GUEST_VIEW_GUEST_VIEW_MANAGER_H_
 #define EXTENSIONS_BROWSER_GUEST_VIEW_GUEST_VIEW_MANAGER_H_
 
 #include <map>
 
 #include "base/gtest_prod_util.h"
@@ skipping 11 matching lines @@
 }  // namespace content
 
 namespace extensions{
 class GuestViewBase;
 class GuestViewManagerFactory;
 
 class GuestViewManager : public content::BrowserPluginGuestManager,
                          public base::SupportsUserData::Data {
  public:
   explicit GuestViewManager(content::BrowserContext* context);
-  virtual ~GuestViewManager();
+  ~GuestViewManager() override;
 
   static GuestViewManager* FromBrowserContext(content::BrowserContext* context);
 
   // Overrides factory for testing. Default (NULL) value indicates regular
   // (non-test) environment.
   static void set_factory_for_testing(GuestViewManagerFactory* factory) {
     GuestViewManager::factory_ = factory;
   }
   // Returns the guest WebContents associated with the given |guest_instance_id|
   // if the provided |embedder_render_process_id| is allowed to access it.
@@ skipping 29 matching lines @@
   content::WebContents* CreateGuestWithWebContentsParams(
       const std::string& view_type,
       const std::string& embedder_extension_id,
       content::WebContents* embedder_web_contents,
       const content::WebContents::CreateParams& create_params);
 
   content::SiteInstance* GetGuestSiteInstance(
       const GURL& guest_site);
 
   // BrowserPluginGuestManager implementation.
-  virtual content::WebContents* GetGuestByInstanceID(
+  content::WebContents* GetGuestByInstanceID(
       content::WebContents* embedder_web_contents,
       int element_instance_id) override;
-  virtual bool ForEachGuest(content::WebContents* embedder_web_contents,
-                            const GuestCallback& callback) override;
+  bool ForEachGuest(content::WebContents* embedder_web_contents,
+                    const GuestCallback& callback) override;
+
  protected:
   friend class GuestViewBase;
   FRIEND_TEST_ALL_PREFIXES(GuestViewManagerTest, AddRemove);
 
   // Can be overriden in tests.
   virtual void AddGuest(int guest_instance_id,
                         content::WebContents* guest_web_contents);
 
   // Can be overriden in tests.
   virtual void RemoveGuest(int guest_instance_id);
@@ skipping 52 matching lines @@
   std::set<int> removed_instance_ids_;
 
   content::BrowserContext* context_;
 
   DISALLOW_COPY_AND_ASSIGN(GuestViewManager);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_GUEST_VIEW_GUEST_VIEW_MANAGER_H_