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

content/renderer/java/gin_java_bridge_object.h

Index: content/renderer/java/gin_java_bridge_object.h
diff --git a/content/renderer/java/gin_java_bridge_object.h b/content/renderer/java/gin_java_bridge_object.h
index f3a4c7b18f4d3b35ddf3adceb516d3bdba9a0ac1..5c729b891a8e10220c285c1eebd6b3aa9458445d 100644
--- a/content/renderer/java/gin_java_bridge_object.h
+++ b/content/renderer/java/gin_java_bridge_object.h
@@ -31,13 +31,13 @@ class GinJavaBridgeObject : public gin::Wrappable<GinJavaBridgeObject>,
   GinJavaBridgeDispatcher::ObjectID object_id() const { return object_id_; }
 
   // gin::Wrappable.
-  virtual gin::ObjectTemplateBuilder GetObjectTemplateBuilder(
+  gin::ObjectTemplateBuilder GetObjectTemplateBuilder(
       v8::Isolate* isolate) override;
 
   // gin::NamedPropertyInterceptor
-  virtual v8::Local<v8::Value> GetNamedProperty(
-      v8::Isolate* isolate, const std::string& property) override;
-  virtual std::vector<std::string> EnumerateNamedProperties(
+  v8::Local<v8::Value> GetNamedProperty(v8::Isolate* isolate,
+                                        const std::string& property) override;
+  std::vector<std::string> EnumerateNamedProperties(
       v8::Isolate* isolate) override;
 
   static GinJavaBridgeObject* InjectNamed(
@@ -53,7 +53,7 @@ class GinJavaBridgeObject : public gin::Wrappable<GinJavaBridgeObject>,
   GinJavaBridgeObject(v8::Isolate* isolate,
                       const base::WeakPtr<GinJavaBridgeDispatcher>& dispatcher,
                       GinJavaBridgeDispatcher::ObjectID object_id);
-  virtual ~GinJavaBridgeObject();
+  ~GinJavaBridgeObject() override;
 
   v8::Handle<v8::Value> InvokeMethod(const std::string& name,
                                      gin::Arguments* args);