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

chrome/browser/thumbnails/thumbnail_service_impl.h

Index: chrome/browser/thumbnails/thumbnail_service_impl.h
diff --git a/chrome/browser/thumbnails/thumbnail_service_impl.h b/chrome/browser/thumbnails/thumbnail_service_impl.h
index e4491e93671ec5844f454b6bf3158091d1d3c3e1..2dd39565f6abf553190e560f80e571e798aa021d 100644
--- a/chrome/browser/thumbnails/thumbnail_service_impl.h
+++ b/chrome/browser/thumbnails/thumbnail_service_impl.h
@@ -24,17 +24,17 @@ class ThumbnailServiceImpl : public ThumbnailService {
 
   // Implementation of ThumbnailService.
   virtual bool SetPageThumbnail(const ThumbnailingContext& context,
-                                const gfx::Image& thumbnail) OVERRIDE;
-  virtual ThumbnailingAlgorithm* GetThumbnailingAlgorithm() const OVERRIDE;
+                                const gfx::Image& thumbnail) override;
+  virtual ThumbnailingAlgorithm* GetThumbnailingAlgorithm() const override;
   virtual bool GetPageThumbnail(
       const GURL& url,
       bool prefix_match,
-      scoped_refptr<base::RefCountedMemory>* bytes) OVERRIDE;
-  virtual void AddForcedURL(const GURL& url) OVERRIDE;
-  virtual bool ShouldAcquirePageThumbnail(const GURL& url) OVERRIDE;
+      scoped_refptr<base::RefCountedMemory>* bytes) override;
+  virtual void AddForcedURL(const GURL& url) override;
+  virtual bool ShouldAcquirePageThumbnail(const GURL& url) override;
 
   // Implementation of RefcountedBrowserContextKeyedService.
-  virtual void ShutdownOnUIThread() OVERRIDE;
+  virtual void ShutdownOnUIThread() override;
 
  private:
   virtual ~ThumbnailServiceImpl();