Remove unreferenced methods from LayoutBlockFlow.h

Source/core/layout/LayoutBlockFlow.h

Index: Source/core/layout/LayoutBlockFlow.h
diff --git a/Source/core/layout/LayoutBlockFlow.h b/Source/core/layout/LayoutBlockFlow.h
index 2f818bcf8bd0fc9c6bbe75e2d8a97ecebcbacd54..750e9ae1b9fe5db7156eb8536a4ab1e60f60a4bb 100644
--- a/Source/core/layout/LayoutBlockFlow.h
+++ b/Source/core/layout/LayoutBlockFlow.h
@@ -122,13 +122,9 @@ public:
     LayoutUnit logicalLeftForFloat(const FloatingObject* floatingObject) const { return isHorizontalWritingMode() ? floatingObject->x() : floatingObject->y(); }
     LayoutUnit logicalRightForFloat(const FloatingObject* floatingObject) const { return isHorizontalWritingMode() ? floatingObject->maxX() : floatingObject->maxY(); }
     LayoutUnit logicalWidthForFloat(const FloatingObject* floatingObject) const { return isHorizontalWritingMode() ? floatingObject->width() : floatingObject->height(); }
-    LayoutUnit logicalHeightForFloat(const FloatingObject* floatingObject) const { return isHorizontalWritingMode() ? floatingObject->height() : floatingObject->width(); }
-    LayoutSize logicalSizeForFloat(const FloatingObject* floatingObject) const { return isHorizontalWritingMode() ? LayoutSize(floatingObject->width(), floatingObject->height()) : LayoutSize(floatingObject->height(), floatingObject->width()); }
 
     int pixelSnappedLogicalTopForFloat(const FloatingObject* floatingObject) const { return isHorizontalWritingMode() ? floatingObject->frameRect().pixelSnappedY() : floatingObject->frameRect().pixelSnappedX(); }
     int pixelSnappedLogicalBottomForFloat(const FloatingObject* floatingObject) const { return isHorizontalWritingMode() ? floatingObject->frameRect().pixelSnappedMaxY() : floatingObject->frameRect().pixelSnappedMaxX(); }
-    int pixelSnappedLogicalLeftForFloat(const FloatingObject* floatingObject) const { return isHorizontalWritingMode() ? floatingObject->frameRect().pixelSnappedX() : floatingObject->frameRect().pixelSnappedY(); }
-    int pixelSnappedLogicalRightForFloat(const FloatingObject* floatingObject) const { return isHorizontalWritingMode() ? floatingObject->frameRect().pixelSnappedMaxX() : floatingObject->frameRect().pixelSnappedMaxY(); }
 
     void setLogicalTopForFloat(FloatingObject* floatingObject, LayoutUnit logicalTop)
     {