replace OVERRIDE and FINAL with override and final in chrome/browser/ui/[w-z]*

chrome/browser/ui/webui/extensions/extension_loader_handler.cc

Index: chrome/browser/ui/webui/extensions/extension_loader_handler.cc
diff --git a/chrome/browser/ui/webui/extensions/extension_loader_handler.cc b/chrome/browser/ui/webui/extensions/extension_loader_handler.cc
index 76dee5e56fe5c9bd352391c3c34c7b7eb650cee3..5bf5a03fb1ceafe4a8a003d8656a8fcc6f8603c9 100644
--- a/chrome/browser/ui/webui/extensions/extension_loader_handler.cc
+++ b/chrome/browser/ui/webui/extensions/extension_loader_handler.cc
@@ -61,9 +61,9 @@ class ExtensionLoaderHandler::FileHelper
   // ui::SelectFileDialog::Listener implementation.
   virtual void FileSelected(const base::FilePath& path,
                             int index,
-                            void* params) OVERRIDE;
+                            void* params) override;
   virtual void MultiFilesSelected(
-      const std::vector<base::FilePath>& files, void* params) OVERRIDE;
+      const std::vector<base::FilePath>& files, void* params) override;
 
   // The associated ExtensionLoaderHandler. Weak, but guaranteed to be alive,
   // as it owns this object.