Standardize usage of virtual/override/final in chrome/browser/safe_browsing/

chrome/browser/safe_browsing/sandboxed_zip_analyzer.h

Index: chrome/browser/safe_browsing/sandboxed_zip_analyzer.h
diff --git a/chrome/browser/safe_browsing/sandboxed_zip_analyzer.h b/chrome/browser/safe_browsing/sandboxed_zip_analyzer.h
index e1cdfd73a18d2e51098083c5577dc30b6bb4d0ac..7075b452f4dcde096130e0fc1a2e513bc53dc00c 100644
--- a/chrome/browser/safe_browsing/sandboxed_zip_analyzer.h
+++ b/chrome/browser/safe_browsing/sandboxed_zip_analyzer.h
@@ -40,7 +40,7 @@ class SandboxedZipAnalyzer : public content::UtilityProcessHostClient {
   void Start();
 
  private:
-  virtual ~SandboxedZipAnalyzer();
+  ~SandboxedZipAnalyzer() override;
 
   // Creates the sandboxed utility process and tells it to start analysis.
   // Runs on a worker thread.
@@ -48,7 +48,7 @@ class SandboxedZipAnalyzer : public content::UtilityProcessHostClient {
 
   // content::UtilityProcessHostClient implementation.
   // These notifications run on the IO thread.
-  virtual bool OnMessageReceived(const IPC::Message& message) override;
+  bool OnMessageReceived(const IPC::Message& message) override;
 
   // Notification that the utility process is running, and we can now get its
   // process handle.