Standardize usage of virtual/override/final in extensions/

extensions/browser/extension_error.h

 // Copyright 2013 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 EXTENSIONS_BROWSER_EXTENSION_ERROR_H_
 #define EXTENSIONS_BROWSER_EXTENSION_ERROR_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 76 matching lines @@
  private:
   DISALLOW_COPY_AND_ASSIGN(ExtensionError);
 };
 
 class ManifestError : public ExtensionError {
  public:
   ManifestError(const std::string& extension_id,
                 const base::string16& message,
                 const base::string16& manifest_key,
                 const base::string16& manifest_specific);
-  virtual ~ManifestError();
+  ~ManifestError() override;
 
-  virtual scoped_ptr<base::DictionaryValue> ToValue() const override;
+  scoped_ptr<base::DictionaryValue> ToValue() const override;
 
-  virtual std::string PrintForTest() const override;
+  std::string PrintForTest() const override;
 
   const base::string16& manifest_key() const { return manifest_key_; }
   const base::string16& manifest_specific() const { return manifest_specific_; }
 
   // Keys used for retrieving JSON values.
   static const char kManifestKeyKey[];
   static const char kManifestSpecificKey[];
 
  private:
-  virtual bool IsEqualImpl(const ExtensionError* rhs) const override;
+  bool IsEqualImpl(const ExtensionError* rhs) const override;
 
   // If present, this indicates the feature in the manifest which caused the
   // error.
   base::string16 manifest_key_;
   // If present, this is a more-specific location of the error - for instance,
   // a specific permission which is incorrect, rather than simply "permissions".
   base::string16 manifest_specific_;
 
   DISALLOW_COPY_AND_ASSIGN(ManifestError);
 };
 
 class RuntimeError : public ExtensionError {
  public:
   RuntimeError(const std::string& extension_id,  // optional, sometimes unknown.
                bool from_incognito,
                const base::string16& source,
                const base::string16& message,
                const StackTrace& stack_trace,
                const GURL& context_url,
                logging::LogSeverity level,
                int render_view_id,
                int render_process_id);
-  virtual ~RuntimeError();
+  ~RuntimeError() override;
 
-  virtual scoped_ptr<base::DictionaryValue> ToValue() const override;
+  scoped_ptr<base::DictionaryValue> ToValue() const override;
 
-  virtual std::string PrintForTest() const override;
+  std::string PrintForTest() const override;
 
   const GURL& context_url() const { return context_url_; }
   const StackTrace& stack_trace() const { return stack_trace_; }
   int render_view_id() const { return render_view_id_; }
   int render_process_id() const { return render_process_id_; }
 
   // Keys used for retrieving JSON values.
   static const char kColumnNumberKey[];
   static const char kContextUrlKey[];
   static const char kFunctionNameKey[];
   static const char kLineNumberKey[];
   static const char kStackTraceKey[];
   static const char kUrlKey[];
   static const char kRenderProcessIdKey[];
   static const char kRenderViewIdKey[];
 
  private:
-  virtual bool IsEqualImpl(const ExtensionError* rhs) const override;
+  bool IsEqualImpl(const ExtensionError* rhs) const override;
 
   // Since we piggy-back onto other error reporting systems (like V8 and
   // WebKit), the reported information may need to be cleaned up in order to be
   // in a consistent format.
   void CleanUpInit();
 
   GURL context_url_;
   StackTrace stack_trace_;
 
   // Keep track of the render process which caused the error in order to
   // inspect the view later, if possible.
   int render_view_id_;
   int render_process_id_;
 
   DISALLOW_COPY_AND_ASSIGN(RuntimeError);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_EXTENSION_ERROR_H_