Do not expose auto as value of widows

Source/core/rendering/style/RenderStyle.h

Index: Source/core/rendering/style/RenderStyle.h
diff --git a/Source/core/rendering/style/RenderStyle.h b/Source/core/rendering/style/RenderStyle.h
index d89ca471594509ea2d6928ebfed3af7063fff820..f8d041bac77ddd78807108bf9a5d2dd4ecad1802 100644
--- a/Source/core/rendering/style/RenderStyle.h
+++ b/Source/core/rendering/style/RenderStyle.h
@@ -689,7 +689,7 @@ public:
 
     short widows() const { return rareInheritedData->widows; }
     short orphans() const { return rareInheritedData->orphans; }
-    bool hasAutoWidows() const { return rareInheritedData->m_hasAutoWidows; }
+    bool hasAutoWidows() const { return rareInheritedData->widows == 1; }
     bool hasAutoOrphans() const { return rareInheritedData->m_hasAutoOrphans; }
     EPageBreak pageBreakInside() const { return static_cast<EPageBreak>(noninherited_flags.pageBreakInside); }
     EPageBreak pageBreakBefore() const { return static_cast<EPageBreak>(noninherited_flags.pageBreakBefore); }
@@ -1175,8 +1175,8 @@ public:
     int zIndex() const { return m_box->zIndex(); }
     void setZIndex(int v) { SET_VAR(m_box, m_hasAutoZIndex, false); SET_VAR(m_box, m_zIndex, v); }
 
-    void setHasAutoWidows() { SET_VAR(rareInheritedData, m_hasAutoWidows, true); SET_VAR(rareInheritedData, widows, initialWidows()); }
-    void setWidows(short w) { SET_VAR(rareInheritedData, m_hasAutoWidows, false); SET_VAR(rareInheritedData, widows, w); }
+    void setHasAutoWidows() { SET_VAR(rareInheritedData, widows, initialWidows()); }
+    void setWidows(short w) { SET_VAR(rareInheritedData, widows, w); }
 
     void setHasAutoOrphans() { SET_VAR(rareInheritedData, m_hasAutoOrphans, true); SET_VAR(rareInheritedData, orphans, initialOrphans()); }
     void setOrphans(short o) { SET_VAR(rareInheritedData, m_hasAutoOrphans, false); SET_VAR(rareInheritedData, orphans, o); }
@@ -1518,7 +1518,7 @@ public:
     static TextIndentLine initialTextIndentLine() { return TextIndentFirstLine; }
     static TextIndentType initialTextIndentType() { return TextIndentNormal; }
     static EVerticalAlign initialVerticalAlign() { return BASELINE; }
-    static short initialWidows() { return 2; }
+    static short initialWidows() { return 1; }
     static short initialOrphans() { return 2; }
     static Length initialLineHeight() { return Length(-100.0, Percent); }
     static ETextAlign initialTextAlign() { return TASTART; }