Standardize usage of virtual/override/final in content/

content/child/appcache/appcache_backend_proxy.h

 // Copyright 2013 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 CONTENT_CHILD_APPCACHE_APPCACHE_BACKEND_PROXY_H_
 #define CONTENT_CHILD_APPCACHE_APPCACHE_BACKEND_PROXY_H_
 
 #include <vector>
 
 #include "content/common/appcache_interfaces.h"
 #include "ipc/ipc_sender.h"
 
 namespace content {
 
 // Sends appcache related messages to the main process.
 class AppCacheBackendProxy : public AppCacheBackend {
  public:
   explicit AppCacheBackendProxy(IPC::Sender* sender) : sender_(sender) {}
 
   IPC::Sender* sender() const { return sender_; }
 
   // AppCacheBackend methods
-  virtual void RegisterHost(int host_id) override;
-  virtual void UnregisterHost(int host_id) override;
-  virtual void SetSpawningHostId(int host_id, int spawning_host_id) override;
-  virtual void SelectCache(int host_id,
-                           const GURL& document_url,
-                           const int64 cache_document_was_loaded_from,
-                           const GURL& manifest_url) override;
-  virtual void SelectCacheForWorker(
-                           int host_id,
-                           int parent_process_id,
-                           int parent_host_id) override;
-  virtual void SelectCacheForSharedWorker(
-                           int host_id,
-                           int64 appcache_id) override;
-  virtual void MarkAsForeignEntry(
-      int host_id,
-      const GURL& document_url,
-      int64 cache_document_was_loaded_from) override;
-  virtual AppCacheStatus GetStatus(int host_id) override;
-  virtual bool StartUpdate(int host_id) override;
-  virtual bool SwapCache(int host_id) override;
-  virtual void GetResourceList(
+  void RegisterHost(int host_id) override;
+  void UnregisterHost(int host_id) override;
+  void SetSpawningHostId(int host_id, int spawning_host_id) override;
+  void SelectCache(int host_id,
+                   const GURL& document_url,
+                   const int64 cache_document_was_loaded_from,
+                   const GURL& manifest_url) override;
+  void SelectCacheForWorker(int host_id,
+                            int parent_process_id,
+                            int parent_host_id) override;
+  void SelectCacheForSharedWorker(int host_id, int64 appcache_id) override;
+  void MarkAsForeignEntry(int host_id,
+                          const GURL& document_url,
+                          int64 cache_document_was_loaded_from) override;
+  AppCacheStatus GetStatus(int host_id) override;
+  bool StartUpdate(int host_id) override;
+  bool SwapCache(int host_id) override;
+  void GetResourceList(
       int host_id,
       std::vector<AppCacheResourceInfo>* resource_infos) override;
 
  private:
   IPC::Sender* sender_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_APPCACHE_APPCACHE_BACKEND_PROXY_H_