Delete RenderBlockFlow.

sky/engine/core/rendering/RootInlineBox.h

Index: sky/engine/core/rendering/RootInlineBox.h
diff --git a/sky/engine/core/rendering/RootInlineBox.h b/sky/engine/core/rendering/RootInlineBox.h
index e3fdc6d71a043c0f8fe696bc972ad4c93b79ccbc..b92431d8d81fc22c809eb48408a5104be66d2bcb 100644
--- a/sky/engine/core/rendering/RootInlineBox.h
+++ b/sky/engine/core/rendering/RootInlineBox.h
@@ -28,14 +28,14 @@ namespace blink {
 
 class EllipsisBox;
 class HitTestResult;
-class RenderBlockFlow;
+class RenderParagraph;
 
 struct BidiStatus;
 struct GapRects;
 
 class RootInlineBox : public InlineFlowBox {
 public:
-    explicit RootInlineBox(RenderBlockFlow&);
+    explicit RootInlineBox(RenderParagraph&);
 
     virtual void destroy() override final;
 
@@ -121,7 +121,7 @@ public:
 
     GapRects lineSelectionGap(RenderBlock* rootBlock, const LayoutPoint& rootBlockPhysicalPosition, const LayoutSize& offsetFromRootBlock, LayoutUnit selTop, LayoutUnit selHeight, const PaintInfo*);
 
-    RenderBlockFlow& block() const;
+    RenderParagraph& block() const;
 
     InlineBox* closestLeafChildForPoint(const IntPoint&, bool onlyEditableLeaves);
     InlineBox* closestLeafChildForLogicalLeftPosition(int, bool onlyEditableLeaves = false);