Revert of Enable fast/images with slimming paint

Source/core/paint/LayerClipRecorder.h

-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef LayerClipRecorder_h
-#define LayerClipRecorder_h
-
-#include "core/paint/ViewDisplayList.h"
-#include "core/rendering/LayerPaintingInfo.h"
-#include "core/rendering/PaintPhase.h"
-#include "wtf/Vector.h"
-
-namespace blink {
-
-class ClipRect;
-class GraphicsContext;
-class RenderLayerModelObject;
-
-class LayerClipRecorder {
-public:
-
-    enum BorderRadiusClippingRule { IncludeSelfForBorderRadius, DoNotIncludeSelfForBorderRadius };
-
-    // Set rounded clip rectangles defined by border radii all the way from the LayerPaintingInfo
-    // "root" layer down to the specified layer (or the parent of said layer, in case
-    // BorderRadiusClippingRule says to skip self). fragmentOffset is used for multicol, to specify
-    // the translation required to get from flow thread coordinates to visual coordinates for a
-    // certain column.
-    // FIXME: The BorderRadiusClippingRule parameter is really useless now. If we want to skip self,
-    // why not just supply the parent layer as the first parameter instead?
-    // FIXME: The ClipRect passed is in visual coordinates (not flow thread coordinates), but at the
-    // same time we pass a fragmentOffset, so that we can translate from flow thread coordinates to
-    // visual coordinates. This may look rather confusing/redundant, but it is needed for rounded
-    // border clipping. Would be nice to clean up this.
-    explicit LayerClipRecorder(const RenderLayerModelObject*, GraphicsContext*, DisplayItem::Type, const ClipRect&, const LayerPaintingInfo* localPaintingInfo, const LayoutPoint& fragmentOffset, PaintLayerFlags, BorderRadiusClippingRule = IncludeSelfForBorderRadius);
-
-    ~LayerClipRecorder();
-
-private:
-
-    void collectRoundedRectClips(RenderLayer&, const LayerPaintingInfo& localPaintingInfo, GraphicsContext*, const LayoutPoint& fragmentOffset, PaintLayerFlags,
-        BorderRadiusClippingRule, Vector<RoundedRect>& roundedRectClips);
-
-    GraphicsContext* m_graphicsContext;
-    const RenderLayerModelObject* m_renderer;
-};
-
-} // namespace blink
-
-#endif // LayerDisplayList_h