Standardize usage of virtual/override/final in content/browser/

content/browser/loader/async_resource_handler.h

Index: content/browser/loader/async_resource_handler.h
diff --git a/content/browser/loader/async_resource_handler.h b/content/browser/loader/async_resource_handler.h
index 6cf5dea0436d6d6a209886f250fbe368fd0f61a8..e2954f4975a8cb9c3075122e68dc1066f13617e2 100644
--- a/content/browser/loader/async_resource_handler.h
+++ b/content/browser/loader/async_resource_handler.h
@@ -31,27 +31,26 @@ class AsyncResourceHandler : public ResourceHandler,
  public:
   AsyncResourceHandler(net::URLRequest* request,
                        ResourceDispatcherHostImpl* rdh);
-  virtual ~AsyncResourceHandler();
+  ~AsyncResourceHandler() override;
 
-  virtual bool OnMessageReceived(const IPC::Message& message) override;
+  bool OnMessageReceived(const IPC::Message& message) override;
 
   // ResourceHandler implementation:
-  virtual bool OnUploadProgress(uint64 position, uint64 size) override;
-  virtual bool OnRequestRedirected(const net::RedirectInfo& redirect_info,
-                                   ResourceResponse* response,
-                                   bool* defer) override;
-  virtual bool OnResponseStarted(ResourceResponse* response,
-                                 bool* defer) override;
-  virtual bool OnWillStart(const GURL& url, bool* defer) override;
-  virtual bool OnBeforeNetworkStart(const GURL& url, bool* defer) override;
-  virtual bool OnWillRead(scoped_refptr<net::IOBuffer>* buf,
-                          int* buf_size,
-                          int min_size) override;
-  virtual bool OnReadCompleted(int bytes_read, bool* defer) override;
-  virtual void OnResponseCompleted(const net::URLRequestStatus& status,
-                                   const std::string& security_info,
-                                   bool* defer) override;
-  virtual void OnDataDownloaded(int bytes_downloaded) override;
+  bool OnUploadProgress(uint64 position, uint64 size) override;
+  bool OnRequestRedirected(const net::RedirectInfo& redirect_info,
+                           ResourceResponse* response,
+                           bool* defer) override;
+  bool OnResponseStarted(ResourceResponse* response, bool* defer) override;
+  bool OnWillStart(const GURL& url, bool* defer) override;
+  bool OnBeforeNetworkStart(const GURL& url, bool* defer) override;
+  bool OnWillRead(scoped_refptr<net::IOBuffer>* buf,
+                  int* buf_size,
+                  int min_size) override;
+  bool OnReadCompleted(int bytes_read, bool* defer) override;
+  void OnResponseCompleted(const net::URLRequestStatus& status,
+                           const std::string& security_info,
+                           bool* defer) override;
+  void OnDataDownloaded(int bytes_downloaded) override;
 
  private:
   // IPC message handlers: