Remove ScrollableArea::GetFrameViewBase and move ScheduleAnimation into subclasses.

third_party/WebKit/Source/web/WebPagePopupImpl.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 105 matching lines @@
     fprintf(stderr, "CONSOLE MESSSAGE:%u: %s\n", line_number,
             message.Utf8().Data());
 #endif
   }
 
   void InvalidateRect(const IntRect& paint_rect) override {
     if (!paint_rect.IsEmpty())
       popup_->WidgetClient()->DidInvalidateRect(paint_rect);
   }
 
-  void ScheduleAnimation(FrameViewBase*) override {
+  void ScheduleAnimation(LocalFrame*) override {
     // Calling scheduleAnimation on m_webView so WebViewTestProxy will call
     // beginFrame.
     if (LayoutTestSupport::IsRunningLayoutTest())
       popup_->web_view_->MainFrameImpl()->FrameWidget()->ScheduleAnimation();
 
     if (popup_->layer_tree_view_) {
       popup_->layer_tree_view_->SetNeedsBeginFrame();
       return;
     }
     popup_->widget_client_->ScheduleAnimation();
@@ skipping 465 matching lines @@
   // A WebPagePopupImpl instance usually has two references.
   //  - One owned by the instance itself. It represents the visible widget.
   //  - One owned by a WebViewImpl. It's released when the WebViewImpl ask the
   //    WebPagePopupImpl to close.
   // We need them because the closing operation is asynchronous and the widget
   // can be closed while the WebViewImpl is unaware of it.
   return AdoptRef(new WebPagePopupImpl(client)).LeakRef();
 }
 
 }  // namespace blink