replace OVERRIDE and FINAL with override and final in components/

components/pdf/browser/pdf_web_contents_helper.h

Index: components/pdf/browser/pdf_web_contents_helper.h
diff --git a/components/pdf/browser/pdf_web_contents_helper.h b/components/pdf/browser/pdf_web_contents_helper.h
index d37b57f9573fb283384b7959c450af61cdc7a667..7948768e84e707c01b1a218bd0fed6479a584e62 100644
--- a/components/pdf/browser/pdf_web_contents_helper.h
+++ b/components/pdf/browser/pdf_web_contents_helper.h
@@ -43,10 +43,10 @@ class PDFWebContentsHelper
   virtual ~PDFWebContentsHelper();
 
   // content::WebContentsObserver overrides:
-  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
+  virtual bool OnMessageReceived(const IPC::Message& message) override;
   virtual void DidNavigateMainFrame(
       const content::LoadCommittedDetails& details,
-      const content::FrameNavigateParams& params) OVERRIDE;
+      const content::FrameNavigateParams& params) override;
 
   // Internal helpers ----------------------------------------------------------