Revert of Added Layer based clipping to MenuScrollViewContainer::MenuScrollView

ui/views/controls/menu/menu_scroll_view_container.h

Index: ui/views/controls/menu/menu_scroll_view_container.h
diff --git a/ui/views/controls/menu/menu_scroll_view_container.h b/ui/views/controls/menu/menu_scroll_view_container.h
index 469935fc2570fad162c4a5341dc11cd3b7e05dd1..d2a2548c10aa2d1f97fdc99b95924974e10d738d 100644
--- a/ui/views/controls/menu/menu_scroll_view_container.h
+++ b/ui/views/controls/menu/menu_scroll_view_container.h
@@ -19,8 +19,6 @@
 // the preferred height of the SubmenuView is bigger than our bounds.
 class MenuScrollViewContainer : public View {
  public:
-  static const char kViewClassName[];
-
   explicit MenuScrollViewContainer(SubmenuView* content_view);
 
   // Returns the buttons for scrolling up/down.
@@ -34,7 +32,6 @@
   void SetBubbleArrowOffset(int offset);
 
   // View overrides.
-  const char* GetClassName() const override;
   gfx::Size GetPreferredSize() const override;
   void Layout() override;
   void OnPaintBackground(gfx::Canvas* canvas) override;