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

chrome/browser/ui/webui/ntp/thumbnail_source.h

Index: chrome/browser/ui/webui/ntp/thumbnail_source.h
diff --git a/chrome/browser/ui/webui/ntp/thumbnail_source.h b/chrome/browser/ui/webui/ntp/thumbnail_source.h
index e0d7f055152fcf7083e1f12b314056c0d74d6579..e7ca4270708da2630dacfd764bec96e6fe5774f0 100644
--- a/chrome/browser/ui/webui/ntp/thumbnail_source.h
+++ b/chrome/browser/ui/webui/ntp/thumbnail_source.h
@@ -28,17 +28,17 @@ class ThumbnailSource : public content::URLDataSource {
   ThumbnailSource(Profile* profile, bool capture_thumbnails);
 
   // 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& path) const OVERRIDE;
+      const content::URLDataSource::GotDataCallback& callback) override;
+  virtual std::string GetMimeType(const std::string& path) const override;
   virtual base::MessageLoop* MessageLoopForRequestPath(
-      const std::string& path) const OVERRIDE;
+      const std::string& path) const override;
   virtual bool ShouldServiceRequest(
-      const net::URLRequest* request) const OVERRIDE;
+      const net::URLRequest* request) const override;
 
  private:
   virtual ~ThumbnailSource();