Move viewport unit resolution to style recalc time

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 4013220cc35a91993daa39a7f72f3cd4a0db553c..42832f5b88781897be4d2458a6fb7fb5389894a9 100644
--- a/Source/core/rendering/RenderView.cpp
+++ b/Source/core/rendering/RenderView.cpp
@@ -321,10 +321,7 @@ void RenderView::layout()
             if ((child->isBox() && toRenderBox(child)->hasRelativeLogicalHeight())
                     || child->style()->logicalHeight().isPercent()
                     || child->style()->logicalMinHeight().isPercent()
-                    || child->style()->logicalMaxHeight().isPercent()
-                    || child->style()->logicalHeight().isViewportPercentage()
-                    || child->style()->logicalMinHeight().isViewportPercentage()
-                    || child->style()->logicalMaxHeight().isViewportPercentage())
+                    || child->style()->logicalMaxHeight().isPercent())
                 layoutScope.setChildNeedsLayout(child);
         }
 
@@ -1214,26 +1211,24 @@ bool RenderView::backgroundIsKnownToBeOpaqueInRect(const LayoutRect&) const
     return m_frameView->hasOpaqueBackground();
 }
 
-LayoutUnit RenderView::viewportPercentageWidth(float percentage) const
+double RenderView::viewportWidthPercent() const
 {
-    return viewLogicalWidth(ScrollableArea::IncludeScrollbars) * percentage / 100.f;
+    return viewLogicalWidth(ScrollableArea::IncludeScrollbars) / 100.f;
 }
 
-LayoutUnit RenderView::viewportPercentageHeight(float percentage) const
+double RenderView::viewportHeightPercent() const
 {
-    return viewLogicalHeight(ScrollableArea::IncludeScrollbars) * percentage / 100.f;
+    return viewLogicalHeight(ScrollableArea::IncludeScrollbars) / 100.f;
 }
 
-LayoutUnit RenderView::viewportPercentageMin(float percentage) const
+double RenderView::viewportMinPercent() const
 {
-    return std::min(viewLogicalWidth(ScrollableArea::IncludeScrollbars), viewLogicalHeight(ScrollableArea::IncludeScrollbars))
-        * percentage / 100.f;
+    return std::min(viewLogicalWidth(ScrollableArea::IncludeScrollbars), viewLogicalHeight(ScrollableArea::IncludeScrollbars)) / 100.f;
 }
 
-LayoutUnit RenderView::viewportPercentageMax(float percentage) const
+double RenderView::viewportMaxPercent() const
 {
-    return std::max(viewLogicalWidth(ScrollableArea::IncludeScrollbars), viewLogicalHeight(ScrollableArea::IncludeScrollbars))
-        * percentage / 100.f;
+    return std::max(viewLogicalWidth(ScrollableArea::IncludeScrollbars), viewLogicalHeight(ScrollableArea::IncludeScrollbars)) / 100.f;
 }
 
 FragmentationDisabler::FragmentationDisabler(RenderObject* root)