More class names for views class.

ui/views/widget/widget_delegate.h

Index: ui/views/widget/widget_delegate.h
diff --git a/ui/views/widget/widget_delegate.h b/ui/views/widget/widget_delegate.h
index 41228ec3fae4e87581a20379e39be44f66bd8a9e..2219699940b0bde6d4f6a71995d16af2fc71d42d 100644
--- a/ui/views/widget/widget_delegate.h
+++ b/ui/views/widget/widget_delegate.h
@@ -200,14 +200,20 @@ class VIEWS_EXPORT WidgetDelegate {
 // view's hierarchy and is expected to be deleted on DeleteDelegate call.
 class VIEWS_EXPORT WidgetDelegateView : public WidgetDelegate, public View {
  public:
+  // Internal class name.
+  static const char kViewClassName[];
+
   WidgetDelegateView();
   ~WidgetDelegateView() override;
 
-  // Overridden from WidgetDelegate:
+  // WidgetDelegate:
   void DeleteDelegate() override;
   Widget* GetWidget() override;
   const Widget* GetWidget() const override;
 
+  // View:
+  const char* GetClassName() const override;
+
  private:
   DISALLOW_COPY_AND_ASSIGN(WidgetDelegateView);
 };