Remove special pagination code for floats and out-of-flow objects.

Source/core/layout/LayoutBlockFlow.cpp

 /*
  * Copyright (C) 2013 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 2267 matching lines @@
     // Create the special object entry & append it to the list
 
     OwnPtr<FloatingObject> newObj = FloatingObject::create(&floatBox);
 
     // Our location is irrelevant if we're unsplittable or no pagination is in effect.
     // Just go ahead and lay out the float.
     bool isChildLayoutBlock = floatBox.isLayoutBlock();
     if (isChildLayoutBlock && !floatBox.needsLayout() && view()->layoutState()->pageLogicalHeightChanged())
         floatBox.setChildNeedsLayout(MarkOnlyThis);
 
-    bool needsBlockDirectionLocationSetBeforeLayout = isChildLayoutBlock && view()->layoutState()->needsBlockDirectionLocationSetBeforeLayout();
-    if (!needsBlockDirectionLocationSetBeforeLayout || isWritingModeRoot()) { // We are unsplittable if we're a block flow root.
-        floatBox.layoutIfNeeded();
-    } else {
-        floatBox.updateLogicalWidth();
-        floatBox.computeAndSetBlockDirectionMargins(this);
-    }
+    floatBox.layoutIfNeeded();
 
     setLogicalWidthForFloat(*newObj, logicalWidthForChild(floatBox) + marginStartForChild(floatBox) + marginEndForChild(floatBox));
 
     return m_floatingObjects->add(newObj.release());
 }
 
 void LayoutBlockFlow::removeFloatingObject(LayoutBox* floatBox)
 {
     if (m_floatingObjects) {
         const FloatingObjectSet& floatingObjectSet = m_floatingObjects->set();
@@ skipping 778 matching lines @@
     FrameView* frameView = document().view();
     LayoutUnit top = (style()->position() == FixedPosition) ? 0 : frameView->scrollOffset().height();
     int visibleHeight = frameView->visibleContentRect(IncludeScrollbars).height();
     if (size().height() < visibleHeight)
         top += (visibleHeight - size().height()) / 2;
     setY(top);
     dialog->setCentered(top);
 }
 
 } // namespace blink