Fix repaint on :hover for empty elements with a border.

Source/core/rendering/RenderObject.cpp

Index: Source/core/rendering/RenderObject.cpp
diff --git a/Source/core/rendering/RenderObject.cpp b/Source/core/rendering/RenderObject.cpp
index d1d495c169724088b5fab5544249eceb017216c8..629e5a945f78550484158c0f78f68178fe206936 100644
--- a/Source/core/rendering/RenderObject.cpp
+++ b/Source/core/rendering/RenderObject.cpp
@@ -1891,6 +1891,8 @@ void RenderObject::setPseudoStyle(PassRefPtr<RenderStyle> pseudoStyle)
 
 inline bool RenderObject::hasImmediateNonWhitespaceTextChildOrPropertiesDependentOnColor() const
 {
+    if (style()->hasBorder() || style()->hasOutline())
+        return true;
     for (const RenderObject* r = firstChild(); r; r = r->nextSibling()) {
         if (r->isText() && !toRenderText(r)->isAllCollapsibleWhitespace())
             return true;