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

Source/core/rendering/RenderBlockFlow.cpp

Index: Source/core/rendering/RenderBlockFlow.cpp
diff --git a/Source/core/rendering/RenderBlockFlow.cpp b/Source/core/rendering/RenderBlockFlow.cpp
index f959d71380ca9ec060a37c9bc4121c4c977bb6cf..e1a19a40dfd554c8864919804b59553c915bb30c 100644
--- a/Source/core/rendering/RenderBlockFlow.cpp
+++ b/Source/core/rendering/RenderBlockFlow.cpp
@@ -308,15 +308,16 @@ void RenderBlockFlow::layoutBlock(bool relayoutChildren, LayoutUnit pageLogicalH
     LayoutUnit previousHeight = logicalHeight();
     setLogicalHeight(beforeEdge);
 
-    FastTextAutosizer* textAutosizer = document().fastTextAutosizer();
-    if (textAutosizer)
-        textAutosizer->beginLayout(this);
-
     m_repaintLogicalTop = 0;
     m_repaintLogicalBottom = 0;
     LayoutUnit maxFloatLogicalBottom = 0;
     if (!firstChild() && !isAnonymousBlock())
         setChildrenInline(true);
+
+    FastTextAutosizer* textAutosizer = document().fastTextAutosizer();
+    if (textAutosizer)
+        textAutosizer->beginLayout(this);
+
     if (childrenInline())
         layoutInlineChildren(relayoutChildren, m_repaintLogicalTop, m_repaintLogicalBottom, afterEdge);
     else