Standardize usage of virtual/override/final in components/

components/translate/content/renderer/translate_helper.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef COMPONENTS_TRANSLATE_CONTENT_RENDERER_TRANSLATE_HELPER_H_
 #define COMPONENTS_TRANSLATE_CONTENT_RENDERER_TRANSLATE_HELPER_H_
 
 #include <string>
 
 #include "base/gtest_prod_util.h"
@@ skipping 65 matching lines @@
 // We use histograms for recording these metrics. On Android, the renderer can
 // be killed without the chance to clean up or transmit these histograms,
 // leading to dropped metrics. To work around this, this method forces an IPC
 // message to be sent to the browser process immediately.
 class TranslateHelper : public content::RenderViewObserver {
  public:
   explicit TranslateHelper(content::RenderView* render_view,
                            int world_id,
                            int extension_group,
                            const std::string& extension_scheme);
-  virtual ~TranslateHelper();
+  ~TranslateHelper() override;
 
   // Informs us that the page's text has been extracted.
   void PageCaptured(const base::string16& contents);
 
   // Lets the translation system know that we are preparing to navigate to
   // the specified URL. If there is anything that can or should be done before
   // this URL loads, this is the time to prepare for it.
   void PrepareForUrl(const GURL& url);
 
  protected:
@@ skipping 76 matching lines @@
 
   // Converts language code to the one used in server supporting list.
   static void ConvertLanguageCodeSynonym(std::string* code);
 
   // Returns whether the page associated with |document| is a candidate for
   // translation.  Some pages can explictly specify (via a meta-tag) that they
   // should not be translated.
   static bool IsTranslationAllowed(blink::WebDocument* document);
 
   // RenderViewObserver implementation.
-  virtual bool OnMessageReceived(const IPC::Message& message) override;
+  bool OnMessageReceived(const IPC::Message& message) override;
 
   // Informs us that the page's text has been extracted.
   void PageCapturedImpl(int page_seq_no, const base::string16& contents);
 
   // Cancels any translation that is currently being performed.  This does not
   // revert existing translations.
   void CancelPendingTranslation();
 
   // Checks if the current running page translation is finished or errored and
   // notifies the browser accordingly.  If the translation has not terminated,
@@ skipping 81 matching lines @@
 
   // Method factory used to make calls to TranslatePageImpl.
   base::WeakPtrFactory<TranslateHelper> weak_method_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(TranslateHelper);
 };
 
 }  // namespace translate
 
 #endif  // COMPONENTS_TRANSLATE_CONTENT_RENDERER_TRANSLATE_HELPER_H_