Continue with InlineBox float->LayoutUnit migration.

Source/core/rendering/InlineFlowBox.h

Index: Source/core/rendering/InlineFlowBox.h
diff --git a/Source/core/rendering/InlineFlowBox.h b/Source/core/rendering/InlineFlowBox.h
index f9a88bda17b76a25b3cd74716842932fa472d921..67005cf52b36b1e25f2d913331c411c7676f93d9 100644
--- a/Source/core/rendering/InlineFlowBox.h
+++ b/Source/core/rendering/InlineFlowBox.h
@@ -21,6 +21,7 @@
 #ifndef InlineFlowBox_h
 #define InlineFlowBox_h
 
+#include "core/rendering/FloatToLayoutUnit.h"
 #include "core/rendering/InlineBox.h"
 #include "core/rendering/RenderObjectInlines.h"
 #include "core/rendering/RenderOverflow.h"
@@ -105,7 +106,7 @@ public:
     virtual void deleteLine() override final;
     virtual void extractLine() override final;
     virtual void attachLine() override final;
-    virtual void adjustPosition(float dx, float dy) override;
+    virtual void adjustPosition(FloatWillBeLayoutUnit dx, FloatWillBeLayoutUnit dy) override;
 
     virtual void extractLineBoxFromRenderObject();
     virtual void attachLineBoxToRenderObject();
@@ -173,11 +174,11 @@ public:
     // Helper functions used during line construction and placement.
     void determineSpacingForFlowBoxes(bool lastLine, bool isLogicallyLastRunWrapped, RenderObject* logicallyLastRunRenderer);
     LayoutUnit getFlowSpacingLogicalWidth();
-    float placeBoxesInInlineDirection(float logicalLeft, bool& needsWordSpacing);
-    float placeBoxRangeInInlineDirection(InlineBox* firstChild, InlineBox* lastChild,
-        float& logicalLeft, float& minLogicalLeft, float& maxLogicalRight, bool& needsWordSpacing);
-    void beginPlacingBoxRangesInInlineDirection(float logicalLeft) { setLogicalLeft(logicalLeft); }
-    void endPlacingBoxRangesInInlineDirection(float logicalLeft, float logicalRight, float minLogicalLeft, float maxLogicalRight)
+    FloatWillBeLayoutUnit placeBoxesInInlineDirection(FloatWillBeLayoutUnit logicalLeft, bool& needsWordSpacing);
+    FloatWillBeLayoutUnit placeBoxRangeInInlineDirection(InlineBox* firstChild, InlineBox* lastChild,
+        FloatWillBeLayoutUnit& logicalLeft, FloatWillBeLayoutUnit& minLogicalLeft, FloatWillBeLayoutUnit& maxLogicalRight, bool& needsWordSpacing);
+    void beginPlacingBoxRangesInInlineDirection(FloatWillBeLayoutUnit logicalLeft) { setLogicalLeft(logicalLeft); }
+    void endPlacingBoxRangesInInlineDirection(FloatWillBeLayoutUnit logicalLeft, FloatWillBeLayoutUnit logicalRight, FloatWillBeLayoutUnit minLogicalLeft, FloatWillBeLayoutUnit maxLogicalRight)
     {
         setLogicalWidth(logicalRight - logicalLeft);
         if (knownToHaveNoOverflow() && (minLogicalLeft < logicalLeft || maxLogicalRight > logicalRight))
@@ -204,7 +205,7 @@ public:
     virtual RenderObject::SelectionState selectionState() const override;
 
     virtual bool canAccommodateEllipsis(bool ltr, int blockEdge, int ellipsisWidth) const override final;
-    virtual float placeEllipsisBox(bool ltr, float blockLeftEdge, float blockRightEdge, float ellipsisWidth, float &truncatedWidth, bool&) override;
+    virtual FloatWillBeLayoutUnit placeEllipsisBox(bool ltr, FloatWillBeLayoutUnit blockLeftEdge, FloatWillBeLayoutUnit blockRightEdge, FloatWillBeLayoutUnit ellipsisWidth, FloatWillBeLayoutUnit &truncatedWidth, bool&) override;
 
     bool hasTextChildren() const { return m_hasTextChildren; }
     bool hasTextDescendants() const { return m_hasTextDescendants; }
@@ -245,7 +246,7 @@ public:
         return m_overflow ? m_overflow->visualOverflowRect() : enclosingLayoutRect(frameRectIncludingLineHeight(lineTop, lineBottom));
     }
     LayoutUnit logicalLeftVisualOverflow() const { return m_overflow ? (isHorizontal() ? m_overflow->visualOverflowRect().x() : m_overflow->visualOverflowRect().y()) : static_cast<LayoutUnit>(logicalLeft()); }
-    LayoutUnit logicalRightVisualOverflow() const { return m_overflow ? (isHorizontal() ? m_overflow->visualOverflowRect().maxX() : m_overflow->visualOverflowRect().maxY()) : static_cast<LayoutUnit>(ceilf(logicalRight())); }
+    LayoutUnit logicalRightVisualOverflow() const { return m_overflow ? (isHorizontal() ? m_overflow->visualOverflowRect().maxX() : m_overflow->visualOverflowRect().maxY()) : static_cast<LayoutUnit>(LAYOUT_UNIT_CEIL(logicalRight())); }
     LayoutUnit logicalTopVisualOverflow(LayoutUnit lineTop) const
     {
         if (m_overflow)
@@ -268,16 +269,16 @@ public:
 
     void setOverflowFromLogicalRects(const LayoutRect& logicalLayoutOverflow, const LayoutRect& logicalVisualOverflow, LayoutUnit lineTop, LayoutUnit lineBottom);
 
-    FloatRect frameRectIncludingLineHeight(LayoutUnit lineTop, LayoutUnit lineBottom) const
+    FloatRectWillBeLayoutRect frameRectIncludingLineHeight(LayoutUnit lineTop, LayoutUnit lineBottom) const
     {
         if (isHorizontal())
-            return FloatRect(m_topLeft.x(), lineTop.toFloat(), width(), (lineBottom - lineTop).toFloat());
-        return FloatRect(lineTop.toFloat(), m_topLeft.y(), (lineBottom - lineTop).toFloat(), height());
+            return FloatRectWillBeLayoutRect(m_topLeft.x(), LAYOUT_UNIT_TO_FLOAT(lineTop), width(), LAYOUT_UNIT_TO_FLOAT(lineBottom - lineTop));
+        return FloatRectWillBeLayoutRect(LAYOUT_UNIT_TO_FLOAT(lineTop), m_topLeft.y(), LAYOUT_UNIT_TO_FLOAT(lineBottom - lineTop), height());
     }
 
-    FloatRect logicalFrameRectIncludingLineHeight(LayoutUnit lineTop, LayoutUnit lineBottom) const
+    FloatRectWillBeLayoutRect logicalFrameRectIncludingLineHeight(LayoutUnit lineTop, LayoutUnit lineBottom) const
     {
-        return FloatRect(logicalLeft(), lineTop.toFloat(), logicalWidth(), (lineBottom - lineTop).toFloat());
+        return FloatRectWillBeLayoutRect(logicalLeft(), LAYOUT_UNIT_TO_FLOAT(lineTop), logicalWidth(), LAYOUT_UNIT_TO_FLOAT(lineBottom - lineTop));
     }
 
     bool descendantsHaveSameLineHeightAndBaseline() const { return m_descendantsHaveSameLineHeightAndBaseline; }
@@ -311,7 +312,7 @@ protected:
 
     // Maximum logicalTop among all children of an InlineFlowBox. Used to
     // calculate the offset for TextUnderlinePositionUnder.
-    void computeMaxLogicalTop(float& maxLogicalTop) const;
+    void computeMaxLogicalTop(FloatWillBeLayoutUnit& maxLogicalTop) const;
 
 private:
     unsigned m_includeLogicalLeftEdge : 1;