Switch line layout to LayoutUnit.

Source/core/layout/LayoutBlock.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 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 14 matching lines @@
 
 #include "core/CoreExport.h"
 #include "core/layout/ColumnInfo.h"
 #include "core/layout/FloatingObjects.h"
 #include "core/layout/GapRects.h"
 #include "core/layout/LayoutBox.h"
 #include "core/layout/line/LineBoxList.h"
 #include "core/layout/line/RootInlineBox.h"
 #include "core/style/ShapeValue.h"
 #include "platform/text/TextBreakIterator.h"
-#include "platform/text/TextRun.h"
 #include "wtf/ListHashSet.h"
 #include "wtf/OwnPtr.h"
 
 namespace blink {
 
 class LineLayoutState;
 struct PaintInfo;
 class LayoutInline;
 class WordMeasurement;
 
@@ skipping 218 matching lines @@
     virtual void paint(const PaintInfo&, const LayoutPoint&) override;
 public:
     virtual void paintObject(const PaintInfo&, const LayoutPoint&) override;
     virtual void paintChildren(const PaintInfo&, const LayoutPoint&);
 
     // FIXME-BLOCKFLOW: Remove virtualizaion when all callers have moved to LayoutBlockFlow
     virtual void paintFloats(const PaintInfo&, const LayoutPoint&, bool) { }
     virtual void paintSelection(const PaintInfo&, const LayoutPoint&) { }
 
 protected:
-    virtual void adjustInlineDirectionLineBounds(unsigned /* expansionOpportunityCount */, float& /* logicalLeft */, float& /* logicalWidth */) const { }
+    virtual void adjustInlineDirectionLineBounds(unsigned /* expansionOpportunityCount */, LayoutUnit& /* logicalLeft */, LayoutUnit& /* logicalWidth */) const { }
 
     virtual void computeIntrinsicLogicalWidths(LayoutUnit& minLogicalWidth, LayoutUnit& maxLogicalWidth) const override;
     virtual void computePreferredLogicalWidths() override;
     void adjustIntrinsicLogicalWidthsForColumns(LayoutUnit& minLogicalWidth, LayoutUnit& maxLogicalWidth) const;
 
     virtual int firstLineBoxBaseline() const override;
     virtual int inlineBlockBaseline(LineDirectionMode) const override;
     int lastLineBoxBaseline(LineDirectionMode) const;
 
     virtual void updateHitTestResult(HitTestResult&, const LayoutPoint&) override;
@@ skipping 181 matching lines @@
     // FIXME: This is temporary as we move code that accesses block flow
     // member variables out of LayoutBlock and into LayoutBlockFlow.
     friend class LayoutBlockFlow;
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutBlock, isLayoutBlock());
 
 } // namespace blink
 
 #endif // LayoutBlock_h