[FastTextAutosizer] Refactor FTA::inflate() to be internal to FTA

Source/core/rendering/RenderBlockLineLayout.cpp

Index: Source/core/rendering/RenderBlockLineLayout.cpp
diff --git a/Source/core/rendering/RenderBlockLineLayout.cpp b/Source/core/rendering/RenderBlockLineLayout.cpp
index 29d49ca4d5cf24b47b44dc20b0d241d0c173cebe..8a94df60084f2462dceafda40a6db2269acf02cc 100644
--- a/Source/core/rendering/RenderBlockLineLayout.cpp
+++ b/Source/core/rendering/RenderBlockLineLayout.cpp
@@ -1638,9 +1638,6 @@ void RenderBlockFlow::repaintDirtyFloats(Vector<FloatWithRect>& floats)
 
 void RenderBlockFlow::layoutInlineChildren(bool relayoutChildren, LayoutUnit& repaintLogicalTop, LayoutUnit& repaintLogicalBottom, LayoutUnit afterEdge)
 {
-    if (FastTextAutosizer* textAutosizer = document().fastTextAutosizer())
-        textAutosizer->inflate(this);
-
     // Lay out our hypothetical grid line as though it occurs at the top of the block.
     if (view()->layoutState() && view()->layoutState()->lineGrid() == this)
         layoutLineGridBox();