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

chrome/browser/ui/webui/fileicon_source.h

Index: chrome/browser/ui/webui/fileicon_source.h
diff --git a/chrome/browser/ui/webui/fileicon_source.h b/chrome/browser/ui/webui/fileicon_source.h
index d021e6edd079737f8d20aedcb7a9ac8e4d72bb98..f6aec7c0d15c5309ca877bed4796b917b87d6c6e 100644
--- a/chrome/browser/ui/webui/fileicon_source.h
+++ b/chrome/browser/ui/webui/fileicon_source.h
@@ -23,13 +23,13 @@ class FileIconSource : public content::URLDataSource {
   explicit FileIconSource();
 
   // content::URLDataSource implementation.
-  virtual std::string GetSource() const OVERRIDE;
+  virtual std::string GetSource() const override;
   virtual void StartDataRequest(
       const std::string& path,
       int render_process_id,
       int render_frame_id,
-      const content::URLDataSource::GotDataCallback& callback) OVERRIDE;
-  virtual std::string GetMimeType(const std::string&) const OVERRIDE;
+      const content::URLDataSource::GotDataCallback& callback) override;
+  virtual std::string GetMimeType(const std::string&) const override;
 
  protected:
   virtual ~FileIconSource();