Delete RenderBlockFlow.

sky/engine/core/rendering/RenderBlock.cpp

Index: sky/engine/core/rendering/RenderBlock.cpp
diff --git a/sky/engine/core/rendering/RenderBlock.cpp b/sky/engine/core/rendering/RenderBlock.cpp
index 420ea6af2ce6fb6e3605e1b44080015a34d90ca1..7594bcbe5ca0467cb8e0b42cb193658e722ca62c 100644
--- a/sky/engine/core/rendering/RenderBlock.cpp
+++ b/sky/engine/core/rendering/RenderBlock.cpp
@@ -585,7 +585,7 @@ GapRects RenderBlock::selectionGaps(RenderBlock* rootBlock, const LayoutPoint& r
     // FIXME: overflow: auto/scroll regions need more math here, since painting in the border box is different from painting in the padding box (one is scrolled, the other is
     // fixed).
     GapRects result;
-    if (!isRenderBlockFlow()) // FIXME: Make multi-column selection gap filling work someday.
+    if (!isRenderParagraph()) // FIXME: Make multi-column selection gap filling work someday.
         return result;
 
     if (hasTransform()) {
@@ -1444,10 +1444,10 @@ RenderBlock* RenderBlock::firstLineBlock() const
         RenderObject* parentBlock = firstLineBlock->parent();
         if (firstLineBlock->isReplaced()
             || !parentBlock
-            || !parentBlock->isRenderBlockFlow())
+            || !parentBlock->isRenderParagraph())
             break;
         ASSERT_WITH_SECURITY_IMPLICATION(parentBlock->isRenderBlock());
-        if (toRenderBlock(parentBlock)->firstChild() != firstLineBlock)
+        if (toRenderParagraph(parentBlock)->firstChild() != firstLineBlock)
             break;
         firstLineBlock = toRenderBlock(parentBlock);
     }