Standardize usage of virtual/override/final specifiers.

ui/aura/demo/demo_main.cc

Index: ui/aura/demo/demo_main.cc
diff --git a/ui/aura/demo/demo_main.cc b/ui/aura/demo/demo_main.cc
index ec5ea52417e6567b7441b0f7715617680122c5da..53b87f68693d73fe55c51205ce24b03d5ec64f62 100644
--- a/ui/aura/demo/demo_main.cc
+++ b/ui/aura/demo/demo_main.cc
@@ -39,38 +39,34 @@ class DemoWindowDelegate : public aura::WindowDelegate {
   explicit DemoWindowDelegate(SkColor color) : color_(color) {}
 
   // Overridden from WindowDelegate:
-  virtual gfx::Size GetMinimumSize() const override {
-    return gfx::Size();
-  }
+  gfx::Size GetMinimumSize() const override { return gfx::Size(); }
 
-  virtual gfx::Size GetMaximumSize() const override {
-    return gfx::Size();
-  }
+  gfx::Size GetMaximumSize() const override { return gfx::Size(); }
 
-  virtual void OnBoundsChanged(const gfx::Rect& old_bounds,
-                               const gfx::Rect& new_bounds) override {}
-  virtual gfx::NativeCursor GetCursor(const gfx::Point& point) override {
+  void OnBoundsChanged(const gfx::Rect& old_bounds,
+                       const gfx::Rect& new_bounds) override {}
+  gfx::NativeCursor GetCursor(const gfx::Point& point) override {
     return gfx::kNullCursor;
   }
-  virtual int GetNonClientComponent(const gfx::Point& point) const override {
+  int GetNonClientComponent(const gfx::Point& point) const override {
     return HTCAPTION;
   }
-  virtual bool ShouldDescendIntoChildForEventHandling(
+  bool ShouldDescendIntoChildForEventHandling(
       aura::Window* child,
       const gfx::Point& location) override {
     return true;
   }
-  virtual bool CanFocus() override { return true; }
-  virtual void OnCaptureLost() override {}
-  virtual void OnPaint(gfx::Canvas* canvas) override {
+  bool CanFocus() override { return true; }
+  void OnCaptureLost() override {}
+  void OnPaint(gfx::Canvas* canvas) override {
     canvas->DrawColor(color_, SkXfermode::kSrc_Mode);
   }
-  virtual void OnDeviceScaleFactorChanged(float device_scale_factor) override {}
-  virtual void OnWindowDestroying(aura::Window* window) override {}
-  virtual void OnWindowDestroyed(aura::Window* window) override {}
-  virtual void OnWindowTargetVisibilityChanged(bool visible) override {}
-  virtual bool HasHitTestMask() const override { return false; }
-  virtual void GetHitTestMask(gfx::Path* mask) const override {}
+  void OnDeviceScaleFactorChanged(float device_scale_factor) override {}
+  void OnWindowDestroying(aura::Window* window) override {}
+  void OnWindowDestroyed(aura::Window* window) override {}
+  void OnWindowTargetVisibilityChanged(bool visible) override {}
+  bool HasHitTestMask() const override { return false; }
+  void GetHitTestMask(gfx::Path* mask) const override {}
 
  private:
   SkColor color_;
@@ -84,14 +80,14 @@ class DemoWindowTreeClient : public aura::client::WindowTreeClient {
     aura::client::SetWindowTreeClient(window_, this);
   }
 
-  virtual ~DemoWindowTreeClient() {
+  ~DemoWindowTreeClient() override {
     aura::client::SetWindowTreeClient(window_, NULL);
   }
 
   // Overridden from aura::client::WindowTreeClient:
-  virtual aura::Window* GetDefaultParent(aura::Window* context,
-                                         aura::Window* window,
-                                         const gfx::Rect& bounds) override {
+  aura::Window* GetDefaultParent(aura::Window* context,
+                                 aura::Window* window,
+                                 const gfx::Rect& bounds) override {
     if (!capture_client_) {
       capture_client_.reset(
           new aura::client::DefaultCaptureClient(window_->GetRootWindow()));