Do not expose auto as value of widows

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 615ed05bca681ac9afc8cb7a02989b684b5f841e..0d371aa66d299744b416c0eaf228cff9323deac4 100644
--- a/Source/core/rendering/RenderBlockFlow.cpp
+++ b/Source/core/rendering/RenderBlockFlow.cpp
@@ -783,7 +783,7 @@ static inline LayoutUnit calculateMinimumPageHeight(RenderStyle* renderStyle, Ro
 {
     // We may require a certain minimum number of lines per page in order to satisfy
     // orphans and widows, and that may affect the minimum page height.
-    unsigned lineCount = std::max<unsigned>(renderStyle->hasAutoOrphans() ? 1 : renderStyle->orphans(), renderStyle->hasAutoWidows() ? 1 : renderStyle->widows());
+    unsigned lineCount = std::max<unsigned>(renderStyle->hasAutoOrphans() ? 1 : renderStyle->orphans(), renderStyle->widows());
     if (lineCount > 1) {
         RootInlineBox* line = lastLine;
         for (unsigned i = 1; i < lineCount && line->prevRootBox(); i++)