Revert of Only create sticky position constraints for constrained sticky position.

third_party/WebKit/Source/core/paint/PrePaintTreeWalk.cpp

 // Copyright 2015 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.
 
 #include "core/paint/PrePaintTreeWalk.h"
 
 #include "core/dom/DocumentLifecycle.h"
 #include "core/frame/FrameView.h"
 #include "core/frame/LocalFrame.h"
 #include "core/layout/LayoutMultiColumnSpannerPlaceholder.h"
@@ skipping 96 matching lines @@
   if (!RuntimeEnabledFeatures::slimmingPaintV2Enabled())
     return;
 
   if (!object.HasLayer())
     return;
 
   PaintLayer* paint_layer = object.EnclosingLayer();
   paint_layer->UpdateAncestorOverflowLayer(
       context.ancestor_overflow_paint_layer);
 
-  if (object.StyleRef().HasStickyConstrainedPosition()) {
+  if (object.StyleRef().GetPosition() == EPosition::kSticky) {
     paint_layer->GetLayoutObject().UpdateStickyPositionConstraints();
 
     // Sticky position constraints and ancestor overflow scroller affect the
     // sticky layer position, so we need to update it again here.
     // TODO(flackr): This should be refactored in the future to be clearer (i.e.
     // update layer position and ancestor inputs updates in the same walk).
     paint_layer->UpdateLayerPosition();
   }
 
   if (paint_layer->IsRootLayer() || object.HasOverflowClip())
@@ skipping 174 matching lines @@
       }
       Walk(*ToFrameView(frame_view_base), context);
     }
     // TODO(pdr): Investigate RemoteFrameView (crbug.com/579281).
   }
 
   object.GetMutableForPainting().ClearPaintFlags();
 }
 
 }  // namespace blink