Fix for ::selection pseudo element to work on input elements

Source/core/rendering/RenderObject.h

Index: Source/core/rendering/RenderObject.h
diff --git a/Source/core/rendering/RenderObject.h b/Source/core/rendering/RenderObject.h
index 23739a3fc0a38219aa2ff9276a1643a26bbbf6a6..6e1c276a74300ea02477e1ed68d51d9b8596348a 100644
--- a/Source/core/rendering/RenderObject.h
+++ b/Source/core/rendering/RenderObject.h
@@ -311,6 +311,10 @@ private:
     void setLayerNeedsFullRepaintForPositionedMovementLayout();
     bool requiresAnonymousTableWrappers(const RenderObject*) const;
 
+    // Gets pseudoStyle from Shadow host(in case of input elements)
+    // or from Parent element.
+    PassRefPtr<RenderStyle> getUncachedPseudoStyleFromParentOrShadowHost() const;
+
 public:
 #ifndef NDEBUG
     void showTreeForThis() const;