Resolve flickering the text selection when hitting culled inline.

Source/core/rendering/RenderInline.cpp

Index: Source/core/rendering/RenderInline.cpp
diff --git a/Source/core/rendering/RenderInline.cpp b/Source/core/rendering/RenderInline.cpp
index 9956e851279d96343b3233742bd5654fc45590f5..0b2b0f259306dba6f2a4971ae39ecfe1c416bfd2 100644
--- a/Source/core/rendering/RenderInline.cpp
+++ b/Source/core/rendering/RenderInline.cpp
@@ -835,7 +835,7 @@ PositionWithAffinity RenderInline::positionForPoint(const LayoutPoint& point)
 {
     // FIXME: Does not deal with relative positioned inlines (should it?)
     RenderBlock* cb = containingBlock();
-    if (firstLineBox()) {
+    if (firstLineBoxIncludingCulling()) {
         // This inline actually has a line box.  We must have clicked in the border/padding of one of these boxes.  We
         // should try to find a result by asking our containing block.
         return cb->positionForPoint(point);