Deprecating AutoplayExperimentHelper

third_party/WebKit/Source/core/layout/LayoutView.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2006 Apple Computer, Inc.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 21 matching lines @@
 #include "platform/RuntimeEnabledFeatures.h"
 #include "platform/heap/Handle.h"
 #include "platform/scroll/ScrollableArea.h"
 #include <memory>
 
 namespace blink {
 
 class FrameView;
 class PaintLayerCompositor;
 class LayoutQuote;
-class LayoutMedia;
 class ViewFragmentationContext;
 
 // LayoutView is the root of the layout tree and the Document's LayoutObject.
 //
 // It corresponds to the CSS concept of 'initial containing block' (or ICB).
 // http://www.w3.org/TR/CSS2/visudet.html#containing-block-details
 //
 // Its dimensions match that of the layout viewport. This viewport is used to
 // size elements, in particular fixed positioned elements.
 // LayoutView is always at position (0,0) relative to the document (and so isn't
@@ skipping 172 matching lines @@
                                                         bool heightChanged);
 
   // The document scrollbar is always on the right, even in RTL. This is to
   // prevent it from moving around on navigations.
   // TODO(skobes): This is not quite the ideal behavior, see
   // http://crbug.com/250514 and http://crbug.com/249860.
   bool shouldPlaceBlockDirectionScrollbarOnLogicalLeft() const override {
     return false;
   }
 
-  // Some LayoutMedias want to know about their viewport visibility for
-  // crbug.com/487345,402044 .  This facility will be removed once those
-  // experiments complete.
-  // TODO(ojan): Merge this with IntersectionObserver once it lands.
-  void registerMediaForPositionChangeNotification(LayoutMedia&);
-  void unregisterMediaForPositionChangeNotification(LayoutMedia&);
-  // Notify all registered LayoutMedias that their position on-screen might
-  // have changed.  visibleRect is the clipping boundary.
-  void sendMediaPositionChangeNotifications(const IntRect& visibleRect);
-
   // The rootLayerScrolls setting will ultimately determine whether FrameView
   // or PaintLayerScrollableArea handle the scroll.
   ScrollResult scroll(ScrollGranularity, const FloatSize&) override;
 
   LayoutRect debugRect() const override;
 
  private:
   void mapLocalToAncestor(
       const LayoutBoxModelObject* ancestor,
       TransformState&,
@@ skipping 56 matching lines @@
   std::unique_ptr<ViewFragmentationContext> m_fragmentationContext;
   std::unique_ptr<PaintLayerCompositor> m_compositor;
   RefPtr<IntervalArena> m_intervalArena;
 
   LayoutQuote* m_layoutQuoteHead;
   unsigned m_layoutCounterCount;
 
   unsigned m_hitTestCount;
   unsigned m_hitTestCacheHits;
   Persistent<HitTestCache> m_hitTestCache;
-
-  Vector<LayoutMedia*> m_mediaForPositionNotification;
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutView, isLayoutView());
 
 }  // namespace blink
 
 #endif  // LayoutView_h