Standardize usage of virtual/override/final specifiers.

extensions/shell/browser/shell_nacl_browser_delegate.h

Index: extensions/shell/browser/shell_nacl_browser_delegate.h
diff --git a/extensions/shell/browser/shell_nacl_browser_delegate.h b/extensions/shell/browser/shell_nacl_browser_delegate.h
index d3fe9d286afc7db86a347bbfbed7b7dc659cad4f..17723230f7b19ac9aff69294224c6c76c7850797 100644
--- a/extensions/shell/browser/shell_nacl_browser_delegate.h
+++ b/extensions/shell/browser/shell_nacl_browser_delegate.h
@@ -22,29 +22,29 @@ class ShellNaClBrowserDelegate : public NaClBrowserDelegate {
  public:
   // Uses |context| to look up extensions via InfoMap on the IO thread.
   explicit ShellNaClBrowserDelegate(content::BrowserContext* context);
-  virtual ~ShellNaClBrowserDelegate();
+  ~ShellNaClBrowserDelegate() override;
 
   // NaClBrowserDelegate overrides:
-  virtual void ShowMissingArchInfobar(int render_process_id,
-                                      int render_view_id) override;
-  virtual bool DialogsAreSuppressed() override;
-  virtual bool GetCacheDirectory(base::FilePath* cache_dir) override;
-  virtual bool GetPluginDirectory(base::FilePath* plugin_dir) override;
-  virtual bool GetPnaclDirectory(base::FilePath* pnacl_dir) override;
-  virtual bool GetUserDirectory(base::FilePath* user_dir) override;
-  virtual std::string GetVersionString() const override;
-  virtual ppapi::host::HostFactory* CreatePpapiHostFactory(
+  void ShowMissingArchInfobar(int render_process_id,
+                              int render_view_id) override;
+  bool DialogsAreSuppressed() override;
+  bool GetCacheDirectory(base::FilePath* cache_dir) override;
+  bool GetPluginDirectory(base::FilePath* plugin_dir) override;
+  bool GetPnaclDirectory(base::FilePath* pnacl_dir) override;
+  bool GetUserDirectory(base::FilePath* user_dir) override;
+  std::string GetVersionString() const override;
+  ppapi::host::HostFactory* CreatePpapiHostFactory(
       content::BrowserPpapiHost* ppapi_host) override;
-  virtual bool MapUrlToLocalFilePath(const GURL& url,
-                                     bool is_blocking,
-                                     const base::FilePath& profile_directory,
-                                     base::FilePath* file_path) override;
-  virtual void SetDebugPatterns(std::string debug_patterns) override;
-  virtual bool URLMatchesDebugPatterns(const GURL& manifest_url) override;
-  virtual content::BrowserPpapiHost::OnKeepaliveCallback
-      GetOnKeepaliveCallback() override;
-  virtual bool IsNonSfiModeAllowed(const base::FilePath& profile_directory,
-                                   const GURL& manifest_url) override;
+  bool MapUrlToLocalFilePath(const GURL& url,
+                             bool is_blocking,
+                             const base::FilePath& profile_directory,
+                             base::FilePath* file_path) override;
+  void SetDebugPatterns(std::string debug_patterns) override;
+  bool URLMatchesDebugPatterns(const GURL& manifest_url) override;
+  content::BrowserPpapiHost::OnKeepaliveCallback GetOnKeepaliveCallback()
+      override;
+  bool IsNonSfiModeAllowed(const base::FilePath& profile_directory,
+                           const GURL& manifest_url) override;
 
  private:
   content::BrowserContext* browser_context_;  // Not owned.