Convert RenderBlockFlow code to use FloatingObject references

Source/core/rendering/line/LineWidth.cpp

Index: Source/core/rendering/line/LineWidth.cpp
diff --git a/Source/core/rendering/line/LineWidth.cpp b/Source/core/rendering/line/LineWidth.cpp
index fe51d904433a7cbd9e21a4e6a11cb16c1be2125c..0bf05214e99ed52a09c752764322cebe8322d80c 100644
--- a/Source/core/rendering/line/LineWidth.cpp
+++ b/Source/core/rendering/line/LineWidth.cpp
@@ -63,7 +63,7 @@ void LineWidth::updateAvailableWidth(LayoutUnit replacedHeight)
 void LineWidth::shrinkAvailableWidthForNewFloatIfNeeded(FloatingObject* newFloat)

[Julien - ping for review, 2014/12/01 16:12:47]

We could use a reference here too.

[Sunil Ratnu, 2015/03/16 08:06:30]

Done.

 {
     LayoutUnit height = m_block.logicalHeight();
-    if (height < m_block.logicalTopForFloat(newFloat) || height >= m_block.logicalBottomForFloat(newFloat))
+    if (height < m_block.logicalTopForFloat(*newFloat) || height >= m_block.logicalBottomForFloat(*newFloat))
         return;
 
     ShapeOutsideDeltas shapeDeltas;
@@ -73,7 +73,7 @@ void LineWidth::shrinkAvailableWidthForNewFloatIfNeeded(FloatingObject* newFloat
     }
 
     if (newFloat->type() == FloatingObject::FloatLeft) {
-        float newLeft = m_block.logicalRightForFloat(newFloat).toFloat();
+        float newLeft = m_block.logicalRightForFloat(*newFloat).toFloat();
         if (shapeDeltas.isValid()) {
             if (shapeDeltas.lineOverlapsShape())
                 newLeft += shapeDeltas.rightMarginBoxDelta();
@@ -84,7 +84,7 @@ void LineWidth::shrinkAvailableWidthForNewFloatIfNeeded(FloatingObject* newFloat
             newLeft += floorToInt(m_block.textIndentOffset());
         m_left = std::max<float>(m_left, newLeft);
     } else {
-        float newRight = m_block.logicalLeftForFloat(newFloat).toFloat();
+        float newRight = m_block.logicalLeftForFloat(*newFloat).toFloat();
         if (shapeDeltas.isValid()) {
             if (shapeDeltas.lineOverlapsShape())
                 newRight += shapeDeltas.leftMarginBoxDelta();