Update {virtual,override,final} to follow C++11 style.

content/renderer/java/gin_java_bridge_value_converter.h

Index: content/renderer/java/gin_java_bridge_value_converter.h
diff --git a/content/renderer/java/gin_java_bridge_value_converter.h b/content/renderer/java/gin_java_bridge_value_converter.h
index fd343b9fdd51e8c66ad4edf128bba574a89eeca4..9053bfa558bf7fcc4c32bfdcabbec2cb9b252700 100644
--- a/content/renderer/java/gin_java_bridge_value_converter.h
+++ b/content/renderer/java/gin_java_bridge_value_converter.h
@@ -14,7 +14,7 @@ namespace content {
 class GinJavaBridgeValueConverter : public content::V8ValueConverter::Strategy {
  public:
   CONTENT_EXPORT GinJavaBridgeValueConverter();
-  CONTENT_EXPORT virtual ~GinJavaBridgeValueConverter();
+  CONTENT_EXPORT ~GinJavaBridgeValueConverter() override;
 
   CONTENT_EXPORT v8::Handle<v8::Value> ToV8Value(
       const base::Value* value,
@@ -24,16 +24,16 @@ class GinJavaBridgeValueConverter : public content::V8ValueConverter::Strategy {
       v8::Handle<v8::Context> context) const;
 
   // content::V8ValueConverter::Strategy
-  virtual bool FromV8Object(v8::Handle<v8::Object> value,
-                            base::Value** out,
-                            v8::Isolate* isolate,
-                            const FromV8ValueCallback& callback) const override;
-  virtual bool FromV8ArrayBuffer(v8::Handle<v8::Object> value,
-                                 base::Value** out,
-                                 v8::Isolate* isolate) const override;
-  virtual bool FromV8Number(v8::Handle<v8::Number> value,
-                            base::Value** out) const override;
-  virtual bool FromV8Undefined(base::Value** out) const override;
+  bool FromV8Object(v8::Handle<v8::Object> value,
+                    base::Value** out,
+                    v8::Isolate* isolate,
+                    const FromV8ValueCallback& callback) const override;
+  bool FromV8ArrayBuffer(v8::Handle<v8::Object> value,
+                         base::Value** out,
+                         v8::Isolate* isolate) const override;
+  bool FromV8Number(v8::Handle<v8::Number> value,
+                    base::Value** out) const override;
+  bool FromV8Undefined(base::Value** out) const override;
 
  private:
   scoped_ptr<V8ValueConverter> converter_;