Standardize usage of virtual/override/final specifiers.

ui/views/masked_targeter_delegate.h

Index: ui/views/masked_targeter_delegate.h
diff --git a/ui/views/masked_targeter_delegate.h b/ui/views/masked_targeter_delegate.h
index ee8701c7736ce9b37fba20e966396fea40b7857c..55ac3b30cf420362afa4f52e9ef175431d345493 100644
--- a/ui/views/masked_targeter_delegate.h
+++ b/ui/views/masked_targeter_delegate.h
@@ -23,7 +23,7 @@ class View;
 class VIEWS_EXPORT MaskedTargeterDelegate : public ViewTargeterDelegate {
  public:
   MaskedTargeterDelegate() {}
-  virtual ~MaskedTargeterDelegate() {}
+  ~MaskedTargeterDelegate() override {}
 
   // Sets the hit-test mask for the view which implements this interface,
   // in that view's local coordinate space. Returns whether a valid mask
@@ -31,8 +31,8 @@ class VIEWS_EXPORT MaskedTargeterDelegate : public ViewTargeterDelegate {
   virtual bool GetHitTestMask(gfx::Path* mask) const = 0;
 
   // ViewTargeterDelegate:
-  virtual bool DoesIntersectRect(const View* target,
-                                 const gfx::Rect& rect) const override;
+  bool DoesIntersectRect(const View* target,
+                         const gfx::Rect& rect) const override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MaskedTargeterDelegate);