Standardize usage of virtual/override/final in content/

content/child/web_url_loader_impl.cc

Index: content/child/web_url_loader_impl.cc
diff --git a/content/child/web_url_loader_impl.cc b/content/child/web_url_loader_impl.cc
index 499cd19428cad296d86fda90226a829d6dfa51a8..34e573af13fcaab37f2133923ecbf71aa554673a 100644
--- a/content/child/web_url_loader_impl.cc
+++ b/content/child/web_url_loader_impl.cc
@@ -303,26 +303,25 @@ class WebURLLoaderImpl::Context : public base::RefCounted<Context>,
              SyncLoadResponse* sync_load_response);
 
   // RequestPeer methods:
-  virtual void OnUploadProgress(uint64 position, uint64 size) override;
-  virtual bool OnReceivedRedirect(const net::RedirectInfo& redirect_info,
-                                  const ResourceResponseInfo& info) override;
-  virtual void OnReceivedResponse(const ResourceResponseInfo& info) override;
-  virtual void OnDownloadedData(int len, int encoded_data_length) override;
-  virtual void OnReceivedData(const char* data,
-                              int data_length,
-                              int encoded_data_length) override;
-  virtual void OnReceivedCachedMetadata(const char* data, int len) override;
-  virtual void OnCompletedRequest(
-      int error_code,
-      bool was_ignored_by_handler,
-      bool stale_copy_in_cache,
-      const std::string& security_info,
-      const base::TimeTicks& completion_time,
-      int64 total_transfer_size) override;
+  void OnUploadProgress(uint64 position, uint64 size) override;
+  bool OnReceivedRedirect(const net::RedirectInfo& redirect_info,
+                          const ResourceResponseInfo& info) override;
+  void OnReceivedResponse(const ResourceResponseInfo& info) override;
+  void OnDownloadedData(int len, int encoded_data_length) override;
+  void OnReceivedData(const char* data,
+                      int data_length,
+                      int encoded_data_length) override;
+  void OnReceivedCachedMetadata(const char* data, int len) override;
+  void OnCompletedRequest(int error_code,
+                          bool was_ignored_by_handler,
+                          bool stale_copy_in_cache,
+                          const std::string& security_info,
+                          const base::TimeTicks& completion_time,
+                          int64 total_transfer_size) override;
 
  private:
   friend class base::RefCounted<Context>;
-  virtual ~Context() {}
+  ~Context() override {}
 
   // We can optimize the handling of data URLs in most cases.
   bool CanHandleDataURLRequestLocally() const;