Standardize usage of virtual/override/final in extensions/

extensions/renderer/script_context.h

 // 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.
 
 #ifndef EXTENSIONS_RENDERER_SCRIPT_CONTEXT_H_
 #define EXTENSIONS_RENDERER_SCRIPT_CONTEXT_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 20 matching lines @@
 
 // Extensions wrapper for a v8 context.
 class ScriptContext : public RequestSender::Source, public gin::Runner {
  public:
   ScriptContext(const v8::Handle<v8::Context>& context,
                 blink::WebFrame* frame,
                 const Extension* extension,
                 Feature::Context context_type,
                 const Extension* effective_extension,
                 Feature::Context effective_context_type);
-  virtual ~ScriptContext();
+  ~ScriptContext() override;
 
   // Clears the WebFrame for this contexts and invalidates the associated
   // ModuleSystem.
   void Invalidate();
 
   // Returns true if this context is still valid, false if it isn't.
   // A context becomes invalid via Invalidate().
   bool is_valid() const { return !v8_context_.IsEmpty(); }
 
   v8::Handle<v8::Context> v8_context() const {
@@ skipping 74 matching lines @@
   static GURL GetDataSourceURLForFrame(const blink::WebFrame* frame);
 
   // Returns the first non-about:-URL in the document hierarchy above and
   // including |frame|. The document hierarchy is only traversed if
   // |document_url| is an about:-URL and if |match_about_blank| is true.
   static GURL GetEffectiveDocumentURL(const blink::WebFrame* frame,
                                       const GURL& document_url,
                                       bool match_about_blank);
 
   // RequestSender::Source implementation.
-  virtual ScriptContext* GetContext() override;
-  virtual void OnResponseReceived(const std::string& name,
-                                  int request_id,
-                                  bool success,
-                                  const base::ListValue& response,
-                                  const std::string& error) override;
+  ScriptContext* GetContext() override;
+  void OnResponseReceived(const std::string& name,
+                          int request_id,
+                          bool success,
+                          const base::ListValue& response,
+                          const std::string& error) override;
 
   // gin::Runner overrides.
-  virtual void Run(const std::string& source,
-                   const std::string& resource_name) override;
-  virtual v8::Handle<v8::Value> Call(v8::Handle<v8::Function> function,
-                                     v8::Handle<v8::Value> receiver,
-                                     int argc,
-                                     v8::Handle<v8::Value> argv[]) override;
-  virtual gin::ContextHolder* GetContextHolder() override;
+  void Run(const std::string& source,
+           const std::string& resource_name) override;
+  v8::Handle<v8::Value> Call(v8::Handle<v8::Function> function,
+                             v8::Handle<v8::Value> receiver,
+                             int argc,
+                             v8::Handle<v8::Value> argv[]) override;
+  gin::ContextHolder* GetContextHolder() override;
 
  protected:
   // The v8 context the bindings are accessible to.
   ScopedPersistent<v8::Context> v8_context_;
 
  private:
   // The WebFrame associated with this context. This can be NULL because this
   // object can outlive is destroyed asynchronously.
   blink::WebFrame* web_frame_;
 
@@ skipping 19 matching lines @@
   SafeBuiltins safe_builtins_;
 
   v8::Isolate* isolate_;
 
   DISALLOW_COPY_AND_ASSIGN(ScriptContext);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_RENDERER_SCRIPT_CONTEXT_H_