Convert LayoutState/LayoutStateMaintainer/LayoutStateDisabler to references

Source/core/rendering/RenderInline.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  *
  * 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.
  *
@@ skipping 1281 matching lines @@
     return style()->computedLineHeight();
 }
 
 int RenderInline::baselinePosition(FontBaseline baselineType, bool firstLine, LineDirectionMode direction, LinePositionMode linePositionMode) const
 {
     ASSERT(linePositionMode == PositionOnContainingLine);
     const FontMetrics& fontMetrics = style(firstLine)->fontMetrics();
     return fontMetrics.ascent(baselineType) + (lineHeight(firstLine, direction, linePositionMode) - fontMetrics.height()) / 2;
 }
 
-LayoutSize RenderInline::offsetForInFlowPositionedInline(const RenderBox* child) const
+LayoutSize RenderInline::offsetForInFlowPositionedInline(const RenderBox& child) const
 {
     // FIXME: This function isn't right with mixed writing modes.
 
     ASSERT(isInFlowPositioned());
     if (!isInFlowPositioned())
         return LayoutSize();
 
     // When we have an enclosing relpositioned inline, we need to add in the offset of the first line
     // box from the rest of the content, but only in the cases where we know we're positioned
     // relative to the inline itself.
 
     LayoutSize logicalOffset;
     LayoutUnit inlinePosition;
     LayoutUnit blockPosition;
     if (firstLineBox()) {
         inlinePosition = LayoutUnit::fromFloatRound(firstLineBox()->logicalLeft());
         blockPosition = firstLineBox()->logicalTop();
     } else {
         inlinePosition = layer()->staticInlinePosition();
         blockPosition = layer()->staticBlockPosition();
     }
 
-    if (!child->style()->hasStaticInlinePosition(style()->isHorizontalWritingMode()))
+    if (!child.style()->hasStaticInlinePosition(style()->isHorizontalWritingMode()))
         logicalOffset.setWidth(inlinePosition);
 
     // This is not terribly intuitive, but we have to match other browsers.  Despite being a block display type inside
     // an inline, we still keep our x locked to the left of the relative positioned inline.  Arguably the correct
     // behavior would be to go flush left to the block that contains the inline, but that isn't what other browsers
     // do.
-    else if (!child->style()->isOriginalDisplayInlineType())
+    else if (!child.style()->isOriginalDisplayInlineType())
         // Avoid adding in the left border/padding of the containing block twice.  Subtract it out.
-        logicalOffset.setWidth(inlinePosition - child->containingBlock()->borderAndPaddingLogicalLeft());
+        logicalOffset.setWidth(inlinePosition - child.containingBlock()->borderAndPaddingLogicalLeft());
 
-    if (!child->style()->hasStaticBlockPosition(style()->isHorizontalWritingMode()))
+    if (!child.style()->hasStaticBlockPosition(style()->isHorizontalWritingMode()))
         logicalOffset.setHeight(blockPosition);
 
     return style()->isHorizontalWritingMode() ? logicalOffset : logicalOffset.transposedSize();
 }
 
 void RenderInline::imageChanged(WrappedImagePtr, const IntRect*)
 {
     if (!parent())
         return;
 
@@ skipping 225 matching lines @@
         container = this;
 
     FloatPoint absPos = container->localToAbsolute();
     region.bounds.setX(absPos.x() + region.bounds.x());
     region.bounds.setY(absPos.y() + region.bounds.y());
 
     regions.append(region);
 }
 
 } // namespace WebCore