Remove some unused virtual functions

atom/common/node_bindings.h

@@ -27,16 +27,16 @@ class NodeBindings {
   virtual ~NodeBindings();
 
   // Setup V8, libuv.
-  virtual void Initialize();
+  void Initialize();
 
   // Create the environment and load node.js.
-  virtual node::Environment* CreateEnvironment(v8::Handle<v8::Context> context);
+  node::Environment* CreateEnvironment(v8::Handle<v8::Context> context);
 
   // Load node.js in the environment.
   void LoadEnvironment(node::Environment* env);
 
   // Prepare for message loop integration.
-  virtual void PrepareMessageLoop();
+  void PrepareMessageLoop();
 
   // Do message loop integration.
   virtual void RunMessageLoop();

atom/common/node_bindings_linux.h

@@ -15,13 +15,13 @@ class NodeBindingsLinux : public NodeBindings {
   explicit NodeBindingsLinux(bool is_browser);
   virtual ~NodeBindingsLinux();
 
-  virtual void RunMessageLoop() OVERRIDE;
+  void RunMessageLoop() override;
 
  private:
   // Called when uv's watcher queue changes.
   static void OnWatcherQueueChanged(uv_loop_t* loop);
 
-  virtual void PollEvents() OVERRIDE;
+  void PollEvents() override;
 
   // Epoll to poll for uv's backend fd.
   int epoll_;

atom/common/node_bindings_mac.h

@@ -15,13 +15,13 @@ class NodeBindingsMac : public NodeBindings {
   explicit NodeBindingsMac(bool is_browser);
   virtual ~NodeBindingsMac();
 
-  virtual void RunMessageLoop() OVERRIDE;
+  void RunMessageLoop() override;
 
  private:
   // Called when uv's watcher queue changes.
   static void OnWatcherQueueChanged(uv_loop_t* loop);
 
-  virtual void PollEvents() OVERRIDE;
+  void PollEvents() override;
 
   // Kqueue to poll for uv's backend fd.
   int kqueue_;

atom/common/node_bindings_win.h

@@ -16,7 +16,7 @@ class NodeBindingsWin : public NodeBindings {
   virtual ~NodeBindingsWin();
 
  private:
-  virtual void PollEvents() OVERRIDE;
+  void PollEvents() override;
 
   DISALLOW_COPY_AND_ASSIGN(NodeBindingsWin);
 };