Standardize usage of virtual/override/final in chrome/browser/

chrome/browser/gpu/three_d_api_observer.cc

 // Copyright 2014 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.
 
 #include "chrome/browser/gpu/three_d_api_observer.h"
 
 #include "base/metrics/histogram.h"
 #include "chrome/browser/infobars/infobar_service.h"
 #include "chrome/browser/tab_contents/tab_util.h"
 #include "chrome/grit/generated_resources.h"
@@ skipping 17 matching lines @@
 
  private:
   enum DismissalHistogram {
     IGNORED,
     RELOADED,
     CLOSED_WITHOUT_ACTION,
     DISMISSAL_MAX
   };
 
   ThreeDAPIInfoBarDelegate(const GURL& url, content::ThreeDAPIType requester);
-  virtual ~ThreeDAPIInfoBarDelegate();
+  ~ThreeDAPIInfoBarDelegate() override;
 
   // ConfirmInfoBarDelegate:
-  virtual bool EqualsDelegate(
-      infobars::InfoBarDelegate* delegate) const override;
-  virtual int GetIconID() const override;
-  virtual base::string16 GetMessageText() const override;
-  virtual base::string16 GetButtonLabel(InfoBarButton button) const override;
-  virtual bool Accept() override;
-  virtual bool Cancel() override;
-  virtual base::string16 GetLinkText() const override;
-  virtual bool LinkClicked(WindowOpenDisposition disposition) override;
+  bool EqualsDelegate(infobars::InfoBarDelegate* delegate) const override;
+  int GetIconID() const override;
+  base::string16 GetMessageText() const override;
+  base::string16 GetButtonLabel(InfoBarButton button) const override;
+  bool Accept() override;
+  bool Cancel() override;
+  base::string16 GetLinkText() const override;
+  bool LinkClicked(WindowOpenDisposition disposition) override;
 
   GURL url_;
   content::ThreeDAPIType requester_;
   // Basically indicates whether the infobar was displayed at all, or
   // was a temporary instance thrown away by the InfobarService.
   mutable bool message_text_queried_;
   bool action_taken_;
 
   DISALLOW_COPY_AND_ASSIGN(ThreeDAPIInfoBarDelegate);
 };
@@ skipping 109 matching lines @@
                                        int render_process_id,
                                        int render_view_id,
                                        content::ThreeDAPIType requester) {
   content::WebContents* web_contents = tab_util::GetWebContentsByID(
       render_process_id, render_view_id);
   if (!web_contents)
     return;
   ThreeDAPIInfoBarDelegate::Create(
       InfoBarService::FromWebContents(web_contents), url, requester);
 }