Have RenderBlockFlow sub-classes' methods call their super-class method properly.

Source/core/rendering/RenderView.cpp

Index: Source/core/rendering/RenderView.cpp
diff --git a/Source/core/rendering/RenderView.cpp b/Source/core/rendering/RenderView.cpp
index 7c00cb0d3824dc696eb85ad71a6398962e20eb4b..4d6679191ec9b74c49a07dd0729c51a69b44a3fd 100644
--- a/Source/core/rendering/RenderView.cpp
+++ b/Source/core/rendering/RenderView.cpp
@@ -109,7 +109,7 @@ LayoutUnit RenderView::availableLogicalHeight(AvailableLogicalHeightType heightT
     // If we have columns, then the available logical height is reduced to the column height.
     if (hasColumns())
         return columnInfo()->columnHeight();
-    return RenderBlock::availableLogicalHeight(heightType);
+    return RenderBlockFlow::availableLogicalHeight(heightType);
 }
 
 bool RenderView::isChildAllowed(RenderObject* child, RenderStyle*) const
@@ -167,7 +167,7 @@ void RenderView::layoutContent(const LayoutState& state)
     ASSERT(needsLayout());
 
     LayoutRectRecorder recorder(*this);
-    RenderBlock::layout();
+    RenderBlockFlow::layout();
 
     if (RuntimeEnabledFeatures::dialogElementEnabled())
         positionDialogs();